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[PATCH 09/11] regress tests for session variables
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* [PATCH 09/11] regress tests for session variables
@ 2022-04-04 18:54  [email protected] <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: [email protected] @ 2022-04-04 18:54 UTC (permalink / raw)

Checks of basic functionality, check of usage session variables in subtransactions
and from PLpgSQL
---
 .../isolation/expected/session-variable.out   |   86 ++
 src/test/isolation/isolation_schedule         |    1 +
 .../isolation/specs/session-variable.spec     |   34 +
 .../regress/expected/session_variables.out    | 1287 +++++++++++++++++
 src/test/regress/parallel_schedule            |    2 +-
 src/test/regress/sql/session_variables.sql    |  959 ++++++++++++
 6 files changed, 2368 insertions(+), 1 deletion(-)
 create mode 100644 src/test/isolation/expected/session-variable.out
 create mode 100644 src/test/isolation/specs/session-variable.spec
 create mode 100644 src/test/regress/expected/session_variables.out
 create mode 100644 src/test/regress/sql/session_variables.sql

diff --git a/src/test/isolation/expected/session-variable.out b/src/test/isolation/expected/session-variable.out
new file mode 100644
index 0000000000..b0059910a1
--- /dev/null
+++ b/src/test/isolation/expected/session-variable.out
@@ -0,0 +1,86 @@
+Parsed test spec with 2 sessions
+
+starting permutation: let val drop val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+
+starting permutation: let val s1 drop val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+step sr1: ROLLBACK;
+
+starting permutation: let val dbg drop create dbg val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name|removed
+------+----+-------
+(0 rows)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+
+starting permutation: let val s1 dbg drop create dbg val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+step sr1: ROLLBACK;
diff --git a/src/test/isolation/isolation_schedule b/src/test/isolation/isolation_schedule
index 529a4cbd4d..96ecf93e32 100644
--- a/src/test/isolation/isolation_schedule
+++ b/src/test/isolation/isolation_schedule
@@ -107,3 +107,4 @@ test: cluster-conflict-partition
 test: truncate-conflict
 test: serializable-parallel
 test: serializable-parallel-2
+test: session-variable
diff --git a/src/test/isolation/specs/session-variable.spec b/src/test/isolation/specs/session-variable.spec
new file mode 100644
index 0000000000..fe47339110
--- /dev/null
+++ b/src/test/isolation/specs/session-variable.spec
@@ -0,0 +1,34 @@
+# Test session variables memory cleanup for sinval
+
+setup
+{
+    CREATE VARIABLE myvar AS text;
+}
+
+teardown
+{
+    DROP VARIABLE IF EXISTS myvar;
+}
+
+session s1
+step s1		{ BEGIN; }
+step let	{ LET myvar = 'test'; }
+step val	{ SELECT myvar; }
+step dbg	{ SELECT schema, name, removed FROM pg_debug_show_used_session_variables(); }
+step sr1	{ ROLLBACK; }
+
+
+session s2
+step drop		{ DROP VARIABLE myvar; }
+step create		{ CREATE VARIABLE myvar AS text }
+
+# Concurrent drop of a known variable should lead to an error
+permutation let val drop val
+# Same, but with an explicit transaction
+permutation let val s1 drop val sr1
+# Concurrent drop/create of a known variable should lead to empty variable
+permutation let val dbg drop create dbg val
+# Concurrent drop/create of a known variable should lead to empty variable
+# We need a transaction to make sure that we won't accept invalidation when
+# calling the dbg step after the concurrent drop
+permutation let val s1 dbg drop create dbg val sr1
diff --git a/src/test/regress/expected/session_variables.out b/src/test/regress/expected/session_variables.out
new file mode 100644
index 0000000000..d411f0440d
--- /dev/null
+++ b/src/test/regress/expected/session_variables.out
@@ -0,0 +1,1287 @@
+CREATE SCHEMA svartest;
+SET search_path = svartest;
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+DROP VARIABLE var1, var2;
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+SELECT var1;
+ERROR:  permission denied for session variable var1
+SET ROLE TO DEFAULT;
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+ERROR:  permission denied for session variable var1
+-- should work
+SELECT var1;
+ var1 
+------
+     
+(1 row)
+
+SET ROLE TO DEFAULT;
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should work
+LET var1 = 333;
+SET ROLE TO DEFAULT;
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should fail
+SELECT svartest.var1;
+ERROR:  permission denied for session variable var1
+-- should work;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO DEFAULT;
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+                  QUERY PLAN                   
+-----------------------------------------------
+ Function Scan on pg_catalog.generate_series g
+   Output: v
+   Function Call: generate_series(1, 100)
+   Filter: ((g.v)::numeric = var1)
+(4 rows)
+
+CREATE VIEW schema_var_view AS SELECT var1;
+SELECT * FROM schema_var_view;
+ var1 
+------
+  333
+(1 row)
+
+\c -
+SET search_path = svartest;
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+ var1 
+------
+     
+(1 row)
+
+LET var1 = pi();
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+         QUERY PLAN         
+----------------------------
+ SET SESSION VARIABLE
+ Result
+   Output: 3.14159265358979
+(3 rows)
+
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+CREATE VARIABLE var3 AS int;
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+SELECT inc(1);
+ inc 
+-----
+   1
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   2
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   3
+(1 row)
+
+SELECT inc(1) FROM generate_series(1,10);
+ inc 
+-----
+   4
+   5
+   6
+   7
+   8
+   9
+  10
+  11
+  12
+  13
+(10 rows)
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var3 = 0;
+ERROR:  permission denied for session variable var3
+SET ROLE TO DEFAULT;
+DROP VIEW schema_var_view;
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+-- composite variables
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+\d v1
+\d v2
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+SELECT v1;
+     v1     
+------------
+ (1,2,3.14)
+(1 row)
+
+SELECT v2;
+      v2       
+---------------
+ (10,20,31.40)
+(1 row)
+
+SELECT (v1).*;
+ x | y |  z   
+---+---+------
+ 1 | 2 | 3.14
+(1 row)
+
+SELECT (v2).*;
+ x  | y  |   z   
+----+----+-------
+ 10 | 20 | 31.40
+(1 row)
+
+SELECT v1.x + v1.z;
+ ?column? 
+----------
+     4.14
+(1 row)
+
+SELECT v2.x + v2.z;
+ ?column? 
+----------
+    41.40
+(1 row)
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+SELECT v2.x;
+ERROR:  permission denied for session variable v2
+SET ROLE TO DEFAULT;
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+ relname  
+----------
+ pg_class
+(1 row)
+
+-- should fail
+SELECT varx.xxx;
+ERROR:  type text is not composite
+-- variables can be updated under RO transaction
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+SELECT varx;
+ varx  
+-------
+ hello
+(1 row)
+
+DROP VARIABLE varx;
+CREATE TYPE t1 AS (a int, b numeric, c text);
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+             v1             
+----------------------------
+ (1,3.14159265358979,hello)
+(1 row)
+
+LET v1.b = 10.2222;
+SELECT v1;
+        v1         
+-------------------
+ (1,10.2222,hello)
+(1 row)
+
+-- should fail
+LET v1.x = 10;
+ERROR:  cannot assign to field "x" of column "v1" because there is no such column in data type t1
+LINE 1: LET v1.x = 10;
+            ^
+DROP VARIABLE v1;
+DROP TYPE t1;
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+    va1     
+------------
+ {10.1,2.1}
+(1 row)
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+        va2         
+--------------------
+ (10.2,"{0.0,0.0}")
+(1 row)
+
+LET va2.b[1] = 10.3;
+SELECT va2;
+         va2         
+---------------------
+ (10.2,"{10.3,0.0}")
+(1 row)
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+        v1        
+------------------
+ 6.28318530717958
+(1 row)
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+            v2            
+--------------------------
+ (3.14159265358979,Hello)
+(1 row)
+
+-- should fail due dependency
+DROP TYPE t2;
+ERROR:  cannot drop type t2 because other objects depend on it
+DETAIL:  session variable v2 depends on type t2
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+CREATE ROLE var_test_role;
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+DROP VARIABLE var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+SET ROLE TO DEFAULT;
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+SET ROLE TO var_test_role;
+SELECT public.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+SELECT public.var1_renamed;
+ var1_renamed 
+--------------
+         1000
+(1 row)
+
+DROP VARIABLE public.var1_renamed;
+SET ROLE TO DEFAULt;
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+CREATE VARIABLE public.var2 AS int;
+SET ROLE TO var_test_role;
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+ var2 
+------
+  100
+(1 row)
+
+SET ROLE TO DEFAULt;
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+DROP ROLE var_test_role;
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+SELECT xx, upper(xx);
+  xx   | upper 
+-------+-------
+ hello | HELLO
+(1 row)
+
+LET xx = 'Hi';
+SELECT xx;
+ xx 
+----
+ Hi
+(1 row)
+
+DROP VARIABLE xx;
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+COMMIT;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+ROLLBACK;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+DROP VARIABLE t1;
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+ v1  |  v2   
+-----+-------
+ 100 | Hello
+(1 row)
+
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+ v1 |  v2  
+----+------
+  0 | none
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+                 QUERY PLAN                 
+--------------------------------------------
+ Aggregate
+   ->  Gather
+         Workers Planned: 2
+         ->  Parallel Seq Scan on svar_test
+               Filter: ((a % 10) = zero)
+(5 rows)
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+ count 
+-------
+   100
+(1 row)
+
+LET zero = (SELECT count(*) FROM svar_test);
+-- result should be 1000
+SELECT zero;
+ zero 
+------
+ 1000
+(1 row)
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+                        QUERY PLAN                        
+----------------------------------------------------------
+ SET SESSION VARIABLE
+ Result
+   InitPlan 1 (returns $1)
+     ->  Finalize Aggregate
+           ->  Gather
+                 Workers Planned: 2
+                 ->  Partial Aggregate
+                       ->  Parallel Seq Scan on svar_test
+(8 rows)
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+ERROR:  cannot alter table "svar_test" because session variable "svartest.v_table" uses it
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- start a new session
+\c
+SET search_path to svartest;
+SELECT * FROM vv;
+ result 
+--------
+   1000
+(1 row)
+
+LET v = 3.14;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- should fail, dependency
+DROP VARIABLE v;
+ERROR:  cannot drop session variable v because other objects depend on it
+DETAIL:  view vv depends on session variable v
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v CASCADE;
+NOTICE:  drop cascades to view vv
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+LET dt = 100;
+SELECT dt;
+ dt  
+-----
+ 100
+(1 row)
+
+DISCARD VARIABLES;
+SELECT dt;
+ dt 
+----
+  0
+(1 row)
+
+DROP VARIABLE dt;
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+-- should fail
+SELECT v1;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+DETAIL:  The session variable was not initialized yet.
+SELECT v2;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+ v1  |  v2  
+-----+------
+ 100 | 1000
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+NOTICE:  session variable "tv" already exists, skipping
+DROP VARIABLE tv;
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+-- should fail;
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+-- should be ok
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+DROP VARIABLE iv;
+CREATE IMMUTABLE VARIABLE iv AS int;
+-- should be ok
+LET iv = NULL;
+-- should fail
+LET iv = NULL;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+SELECT do_test_svar;
+ do_test_svar 
+--------------
+ 01-01-2000
+(1 row)
+
+DROP VARIABLE do_test_svar;
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+ERROR:  IMMUTABLE NOT NULL variable requires default expression
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+CREATE VARIABLE xxx_var AS int;
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+    varowner    
+----------------
+ var_test_role2
+(1 row)
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     1
+(1 row)
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     0
+(1 row)
+
+-- creating, dropping temporary variable
+BEGIN;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+SAVEPOINT s1;
+DROP VARIABLE tempvar;
+ROLLBACK TO s1;
+SELECT tempvar;
+ tempvar 
+---------
+     100
+(1 row)
+
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+BEGIN;
+SAVEPOINT s1;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+ROLLBACK TO s1;
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+ var1 
+------
+  100
+(1 row)
+
+DROP VARIABLE var1;
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+    obj_description    
+-----------------------
+ some variable comment
+(1 row)
+
+DROP VARIABLE var1;
+CREATE TABLE xxtab(avar int);
+CREATE TYPE xxtype AS (avar int);
+CREATE VARIABLE xxtab AS xxtype;
+INSERT INTO xxtab VALUES(10);
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+SET session_variables_ambiguity_warning TO on;
+SELECT xxtab.avar FROM xxtab;
+WARNING:  session variable "xxtab.avar" is shadowed
+LINE 1: SELECT xxtab.avar FROM xxtab;
+               ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+ avar 
+------
+   10
+(1 row)
+
+SET search_path = svartest;
+CREATE VARIABLE testvar as int;
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar := 1000
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar := 1000
+NOTICE:  session variable is 100
+NOTICE:  plpgsql variable is 1000
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar
+NOTICE:  variable is 1000
+DROP VARIABLE testvar;
+SET session_variables_ambiguity_warning TO default;
+-- should be ok
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+CREATE VARIABLE public.avar AS int;
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+ avar 
+------
+     
+(1 row)
+
+DROP VARIABLE xxtab;
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+DROP VARIABLE public.avar;
+DROP TYPE xxtype;
+DROP TABLE xxtab;
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+SET plan_cache_mode = force_generic_plan;
+PREPARE pp AS SELECT xx;
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+CREATE VARIABLE xx AS int;
+-- should to work
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+DEALLOCATE pp;
+SET plan_cache_mode = DEFAULT;
+CREATE ROLE var_test_role;
+CREATE SCHEMA vartest;
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+LET vartest.x = 100;
+LET vartest.y = 101;
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+SET ROLE TO var_test_role;
+SELECT vartest.x, vartest.y;
+  x  |  y  
+-----+-----
+ 100 | 101
+(1 row)
+
+SET ROLE TO DEFAULT;
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT vartest.x;
+ERROR:  permission denied for session variable x
+SELECT vartest.y;
+ERROR:  permission denied for session variable y
+SET ROLE TO DEFAULT;
+DROP VARIABLE vartest.x, vartest.y;
+DROP SCHEMA vartest;
+DROP ROLE var_test_role;
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+SET plan_cache_mode to force_generic_plan;
+EXECUTE q1;
+ ?column? 
+----------
+ test5
+ test10
+(2 rows)
+
+EXPLAIN EXECUTE q1;
+                              QUERY PLAN                               
+-----------------------------------------------------------------------
+ Function Scan on generate_series g  (cost=0.00..0.14 rows=2 width=32)
+   Filter: (i = ANY (ARRAY[v2, v3]))
+(2 rows)
+
+-- dependecy check
+DROP VARIABLE v3;
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+-- should to work, the plan should be recreated
+EXECUTE q1;
+ ?column? 
+----------
+ test6
+ test10
+(2 rows)
+
+DEALLOCATE q1;
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+PREPARE q1 AS SELECT length(v1);
+EXECUTE q1;
+ length 
+--------
+  10000
+(1 row)
+
+LET v1 = repeat(' ', 5000);
+EXECUTE q1;
+ length 
+--------
+   5000
+(1 row)
+
+DEALLOCATE q1;
+SET plan_cache_mode to default;
+DROP VARIABLE v1, v2, v3;
+CREATE ROLE var_test_role;
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO default;
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO default;
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should be fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO DEFAULT;
+DROP FUNCTION public.fx_var(int);
+DROP VARIABLE public.v1;
+DROP ROLE var_test_role;
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+LET public.svar = ROW(10,20,30);
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+-- should be ok
+SELECT public.svar;
+  svar   
+---------
+ (10,20)
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+-- should be ok
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar = ROW(10,20,30);
+-- should be ok again for new value
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+LET public.svar = 100;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+ROLLBACK;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+COMMIT;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+ERROR:  missing FROM-clause entry for table "f"
+LINE 1: ...FROM pg_debug_show_used_session_variables() WHERE f.varid = ...
+                                                             ^
+BEGIN;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+LET public.svar = 100;
+ROLLBACK;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+\unset varid
+CREATE VARIABLE public.svar AS int;
+LET public.svar = 100;
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+-- the value should be still available
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+LET public.svar = (10, 20);
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar2 = (10, 20, 30);
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar  
+-------
+ (10,)
+(1 row)
+
+SELECT public.svar2;
+  svar2  
+---------
+ (10,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_type;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+CREATE VARIABLE public.svar AS public.svar_type2;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+CREATE TABLE public.svar (a int, b int);
+INSERT INTO public.svar VALUES(10, 20);
+LET public.svar = (100, 200, 300);
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+WARNING:  session variable "public.svar" is shadowed
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+DETAIL:  Session variables can be shadowed by tables or table's aliases with the same name.
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
diff --git a/src/test/regress/parallel_schedule b/src/test/regress/parallel_schedule
index 9f644a0c1b..7426b39ab3 100644
--- a/src/test/regress/parallel_schedule
+++ b/src/test/regress/parallel_schedule
@@ -119,7 +119,7 @@ test: json jsonb json_encoding jsonpath jsonpath_encoding jsonb_jsonpath
 # NB: temp.sql does a reconnect which transiently uses 2 connections,
 # so keep this parallel group to at most 19 tests
 # ----------
-test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml
+test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml session_variables
 
 # ----------
 # Another group of parallel tests
diff --git a/src/test/regress/sql/session_variables.sql b/src/test/regress/sql/session_variables.sql
new file mode 100644
index 0000000000..d32bb5b042
--- /dev/null
+++ b/src/test/regress/sql/session_variables.sql
@@ -0,0 +1,959 @@
+CREATE SCHEMA svartest;
+
+SET search_path = svartest;
+
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+
+DROP VARIABLE var1, var2;
+
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+-- should work
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should work
+LET var1 = 333;
+
+SET ROLE TO DEFAULT;
+
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+
+SELECT secure_var();
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT svartest.var1;
+
+-- should work;
+SELECT secure_var();
+
+SET ROLE TO DEFAULT;
+
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+
+CREATE VIEW schema_var_view AS SELECT var1;
+
+SELECT * FROM schema_var_view;
+
+\c -
+
+SET search_path = svartest;
+
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+
+LET var1 = pi();
+
+SELECT var1;
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+
+SELECT var1;
+
+CREATE VARIABLE var3 AS int;
+
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+
+SELECT inc(1);
+SELECT inc(1);
+SELECT inc(1);
+
+SELECT inc(1) FROM generate_series(1,10);
+
+SET ROLE TO var_test_role;
+
+-- should fail
+LET var3 = 0;
+
+SET ROLE TO DEFAULT;
+
+DROP VIEW schema_var_view;
+
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+
+-- composite variables
+
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+
+\d v1
+\d v2
+
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+
+SELECT v1;
+SELECT v2;
+SELECT (v1).*;
+SELECT (v2).*;
+
+SELECT v1.x + v1.z;
+SELECT v2.x + v2.z;
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+
+SELECT v2.x;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+
+-- should fail
+SELECT varx.xxx;
+
+-- variables can be updated under RO transaction
+
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+
+SELECT varx;
+
+DROP VARIABLE varx;
+
+CREATE TYPE t1 AS (a int, b numeric, c text);
+
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+LET v1.b = 10.2222;
+SELECT v1;
+
+-- should fail
+LET v1.x = 10;
+
+DROP VARIABLE v1;
+DROP TYPE t1;
+
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+LET va2.b[1] = 10.3;
+SELECT va2;
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+
+-- should fail due dependency
+DROP TYPE t2;
+
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+
+CREATE ROLE var_test_role;
+
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+DROP VARIABLE var_schema2.var1;
+
+SET ROLE TO DEFAULT;
+
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+
+SET ROLE TO var_test_role;
+SELECT public.var1;
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+
+SELECT public.var1_renamed;
+
+DROP VARIABLE public.var1_renamed;
+
+SET ROLE TO DEFAULt;
+
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+
+CREATE VARIABLE public.var2 AS int;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+
+SET ROLE TO DEFAULt;
+
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+
+DROP ROLE var_test_role;
+
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+
+SELECT xx, upper(xx);
+
+LET xx = 'Hi';
+
+SELECT xx;
+
+DROP VARIABLE xx;
+
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+COMMIT;
+
+SELECT t1;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+ROLLBACK;
+
+SELECT t1;
+
+DROP VARIABLE t1;
+
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+
+SELECT count(*) FROM pg_variable;
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+LET zero = (SELECT count(*) FROM svar_test);
+
+-- result should be 1000
+SELECT zero;
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+
+-- start a new session
+\c
+
+SET search_path to svartest;
+
+SELECT * FROM vv;
+LET v = 3.14;
+SELECT * FROM vv;
+
+-- should fail, dependency
+DROP VARIABLE v;
+
+-- should be ok
+DROP VARIABLE v CASCADE;
+
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+
+LET dt = 100;
+SELECT dt;
+
+DISCARD VARIABLES;
+
+SELECT dt;
+
+DROP VARIABLE dt;
+
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+
+-- should fail
+SELECT v1;
+SELECT v2;
+LET v1 = NULL;
+LET v2 = NULL;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+DROP VARIABLE tv;
+
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+
+-- should fail;
+LET iv = 10000;
+
+DROP VARIABLE iv;
+
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+-- should be ok
+SELECT iv;
+
+DROP VARIABLE iv;
+
+CREATE IMMUTABLE VARIABLE iv AS int;
+
+-- should be ok
+LET iv = NULL;
+
+-- should fail
+LET iv = NULL;
+
+DROP VARIABLE iv;
+
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+
+SELECT do_test_svar;
+
+DROP VARIABLE do_test_svar;
+
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+
+
+
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+
+CREATE VARIABLE xxx_var AS int;
+
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+-- creating, dropping temporary variable
+BEGIN;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+SAVEPOINT s1;
+
+DROP VARIABLE tempvar;
+
+ROLLBACK TO s1;
+
+SELECT tempvar;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+BEGIN;
+
+SAVEPOINT s1;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+ROLLBACK TO s1;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+
+DROP VARIABLE var1;
+
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+
+DROP VARIABLE var1;
+
+CREATE TABLE xxtab(avar int);
+
+CREATE TYPE xxtype AS (avar int);
+
+CREATE VARIABLE xxtab AS xxtype;
+
+INSERT INTO xxtab VALUES(10);
+
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+
+SET session_variables_ambiguity_warning TO on;
+
+SELECT xxtab.avar FROM xxtab;
+
+SET search_path = svartest;
+
+CREATE VARIABLE testvar as int;
+
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+
+DROP VARIABLE testvar;
+
+SET session_variables_ambiguity_warning TO default;
+
+-- should be ok
+SELECT avar FROM xxtab;
+
+CREATE VARIABLE public.avar AS int;
+
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+
+DROP VARIABLE xxtab;
+
+SELECT xxtab.avar FROM xxtab;
+
+DROP VARIABLE public.avar;
+
+DROP TYPE xxtype;
+
+DROP TABLE xxtab;
+
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+
+SET plan_cache_mode = force_generic_plan;
+
+PREPARE pp AS SELECT xx;
+
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+CREATE VARIABLE xx AS int;
+
+-- should to work
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+DEALLOCATE pp;
+
+SET plan_cache_mode = DEFAULT;
+
+CREATE ROLE var_test_role;
+
+CREATE SCHEMA vartest;
+
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+
+LET vartest.x = 100;
+LET vartest.y = 101;
+
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+SELECT vartest.x, vartest.y;
+
+SET ROLE TO DEFAULT;
+
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT vartest.x;
+SELECT vartest.y;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE vartest.x, vartest.y;
+
+DROP SCHEMA vartest;
+
+DROP ROLE var_test_role;
+
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+
+SET plan_cache_mode to force_generic_plan;
+
+EXECUTE q1;
+
+EXPLAIN EXECUTE q1;
+
+-- dependecy check
+DROP VARIABLE v3;
+
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+
+-- should to work, the plan should be recreated
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+
+PREPARE q1 AS SELECT length(v1);
+
+EXECUTE q1;
+
+LET v1 = repeat(' ', 5000);
+
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+SET plan_cache_mode to default;
+
+DROP VARIABLE v1, v2, v3;
+
+CREATE ROLE var_test_role;
+
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be fail
+SELECT public.fx_var(0);
+
+SET ROLE TO DEFAULT;
+
+DROP FUNCTION public.fx_var(int);
+
+DROP VARIABLE public.v1;
+
+DROP ROLE var_test_role;
+
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+LET public.svar = ROW(10,20,30);
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+
+-- should be ok
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+-- should be ok
+SELECT public.svar;
+
+LET public.svar = ROW(10,20,30);
+
+-- should be ok again for new value
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+DROP TYPE public.svar_test_type;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+LET public.svar = 100;
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+ROLLBACK;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+SELECT public.svar;
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+
+COMMIT;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+
+BEGIN;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+
+LET public.svar = 100;
+
+ROLLBACK;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+\unset varid
+
+CREATE VARIABLE public.svar AS int;
+
+LET public.svar = 100;
+
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+
+-- the value should be still available
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+
+LET public.svar = (10, 20);
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+LET public.svar2 = (10, 20, 30);
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+SELECT public.svar2;
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_type;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+
+CREATE VARIABLE public.svar AS public.svar_type2;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+
+CREATE TABLE public.svar (a int, b int);
+
+INSERT INTO public.svar VALUES(10, 20);
+
+LET public.svar = (100, 200, 300);
+
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
-- 
2.37.2


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^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v20220916 10/13] regress tests for session variables
@ 2022-04-04 18:54  [email protected] <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: [email protected] @ 2022-04-04 18:54 UTC (permalink / raw)

Checks of basic functionality, check of usage session variables in subtransactions
and from PLpgSQL
---
 .../isolation/expected/session-variable.out   |   86 ++
 src/test/isolation/isolation_schedule         |    1 +
 .../isolation/specs/session-variable.spec     |   34 +
 .../regress/expected/session_variables.out    | 1287 +++++++++++++++++
 src/test/regress/parallel_schedule            |    2 +-
 src/test/regress/sql/session_variables.sql    |  959 ++++++++++++
 6 files changed, 2368 insertions(+), 1 deletion(-)
 create mode 100644 src/test/isolation/expected/session-variable.out
 create mode 100644 src/test/isolation/specs/session-variable.spec
 create mode 100644 src/test/regress/expected/session_variables.out
 create mode 100644 src/test/regress/sql/session_variables.sql

diff --git a/src/test/isolation/expected/session-variable.out b/src/test/isolation/expected/session-variable.out
new file mode 100644
index 0000000000..b0059910a1
--- /dev/null
+++ b/src/test/isolation/expected/session-variable.out
@@ -0,0 +1,86 @@
+Parsed test spec with 2 sessions
+
+starting permutation: let val drop val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+
+starting permutation: let val s1 drop val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+step sr1: ROLLBACK;
+
+starting permutation: let val dbg drop create dbg val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name|removed
+------+----+-------
+(0 rows)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+
+starting permutation: let val s1 dbg drop create dbg val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+step sr1: ROLLBACK;
diff --git a/src/test/isolation/isolation_schedule b/src/test/isolation/isolation_schedule
index 5413a59a80..67837ef00f 100644
--- a/src/test/isolation/isolation_schedule
+++ b/src/test/isolation/isolation_schedule
@@ -108,3 +108,4 @@ test: cluster-conflict-partition
 test: truncate-conflict
 test: serializable-parallel
 test: serializable-parallel-2
+test: session-variable
diff --git a/src/test/isolation/specs/session-variable.spec b/src/test/isolation/specs/session-variable.spec
new file mode 100644
index 0000000000..fe47339110
--- /dev/null
+++ b/src/test/isolation/specs/session-variable.spec
@@ -0,0 +1,34 @@
+# Test session variables memory cleanup for sinval
+
+setup
+{
+    CREATE VARIABLE myvar AS text;
+}
+
+teardown
+{
+    DROP VARIABLE IF EXISTS myvar;
+}
+
+session s1
+step s1		{ BEGIN; }
+step let	{ LET myvar = 'test'; }
+step val	{ SELECT myvar; }
+step dbg	{ SELECT schema, name, removed FROM pg_debug_show_used_session_variables(); }
+step sr1	{ ROLLBACK; }
+
+
+session s2
+step drop		{ DROP VARIABLE myvar; }
+step create		{ CREATE VARIABLE myvar AS text }
+
+# Concurrent drop of a known variable should lead to an error
+permutation let val drop val
+# Same, but with an explicit transaction
+permutation let val s1 drop val sr1
+# Concurrent drop/create of a known variable should lead to empty variable
+permutation let val dbg drop create dbg val
+# Concurrent drop/create of a known variable should lead to empty variable
+# We need a transaction to make sure that we won't accept invalidation when
+# calling the dbg step after the concurrent drop
+permutation let val s1 dbg drop create dbg val sr1
diff --git a/src/test/regress/expected/session_variables.out b/src/test/regress/expected/session_variables.out
new file mode 100644
index 0000000000..d411f0440d
--- /dev/null
+++ b/src/test/regress/expected/session_variables.out
@@ -0,0 +1,1287 @@
+CREATE SCHEMA svartest;
+SET search_path = svartest;
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+DROP VARIABLE var1, var2;
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+SELECT var1;
+ERROR:  permission denied for session variable var1
+SET ROLE TO DEFAULT;
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+ERROR:  permission denied for session variable var1
+-- should work
+SELECT var1;
+ var1 
+------
+     
+(1 row)
+
+SET ROLE TO DEFAULT;
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should work
+LET var1 = 333;
+SET ROLE TO DEFAULT;
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should fail
+SELECT svartest.var1;
+ERROR:  permission denied for session variable var1
+-- should work;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO DEFAULT;
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+                  QUERY PLAN                   
+-----------------------------------------------
+ Function Scan on pg_catalog.generate_series g
+   Output: v
+   Function Call: generate_series(1, 100)
+   Filter: ((g.v)::numeric = var1)
+(4 rows)
+
+CREATE VIEW schema_var_view AS SELECT var1;
+SELECT * FROM schema_var_view;
+ var1 
+------
+  333
+(1 row)
+
+\c -
+SET search_path = svartest;
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+ var1 
+------
+     
+(1 row)
+
+LET var1 = pi();
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+         QUERY PLAN         
+----------------------------
+ SET SESSION VARIABLE
+ Result
+   Output: 3.14159265358979
+(3 rows)
+
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+CREATE VARIABLE var3 AS int;
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+SELECT inc(1);
+ inc 
+-----
+   1
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   2
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   3
+(1 row)
+
+SELECT inc(1) FROM generate_series(1,10);
+ inc 
+-----
+   4
+   5
+   6
+   7
+   8
+   9
+  10
+  11
+  12
+  13
+(10 rows)
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var3 = 0;
+ERROR:  permission denied for session variable var3
+SET ROLE TO DEFAULT;
+DROP VIEW schema_var_view;
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+-- composite variables
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+\d v1
+\d v2
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+SELECT v1;
+     v1     
+------------
+ (1,2,3.14)
+(1 row)
+
+SELECT v2;
+      v2       
+---------------
+ (10,20,31.40)
+(1 row)
+
+SELECT (v1).*;
+ x | y |  z   
+---+---+------
+ 1 | 2 | 3.14
+(1 row)
+
+SELECT (v2).*;
+ x  | y  |   z   
+----+----+-------
+ 10 | 20 | 31.40
+(1 row)
+
+SELECT v1.x + v1.z;
+ ?column? 
+----------
+     4.14
+(1 row)
+
+SELECT v2.x + v2.z;
+ ?column? 
+----------
+    41.40
+(1 row)
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+SELECT v2.x;
+ERROR:  permission denied for session variable v2
+SET ROLE TO DEFAULT;
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+ relname  
+----------
+ pg_class
+(1 row)
+
+-- should fail
+SELECT varx.xxx;
+ERROR:  type text is not composite
+-- variables can be updated under RO transaction
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+SELECT varx;
+ varx  
+-------
+ hello
+(1 row)
+
+DROP VARIABLE varx;
+CREATE TYPE t1 AS (a int, b numeric, c text);
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+             v1             
+----------------------------
+ (1,3.14159265358979,hello)
+(1 row)
+
+LET v1.b = 10.2222;
+SELECT v1;
+        v1         
+-------------------
+ (1,10.2222,hello)
+(1 row)
+
+-- should fail
+LET v1.x = 10;
+ERROR:  cannot assign to field "x" of column "v1" because there is no such column in data type t1
+LINE 1: LET v1.x = 10;
+            ^
+DROP VARIABLE v1;
+DROP TYPE t1;
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+    va1     
+------------
+ {10.1,2.1}
+(1 row)
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+        va2         
+--------------------
+ (10.2,"{0.0,0.0}")
+(1 row)
+
+LET va2.b[1] = 10.3;
+SELECT va2;
+         va2         
+---------------------
+ (10.2,"{10.3,0.0}")
+(1 row)
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+        v1        
+------------------
+ 6.28318530717958
+(1 row)
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+            v2            
+--------------------------
+ (3.14159265358979,Hello)
+(1 row)
+
+-- should fail due dependency
+DROP TYPE t2;
+ERROR:  cannot drop type t2 because other objects depend on it
+DETAIL:  session variable v2 depends on type t2
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+CREATE ROLE var_test_role;
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+DROP VARIABLE var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+SET ROLE TO DEFAULT;
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+SET ROLE TO var_test_role;
+SELECT public.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+SELECT public.var1_renamed;
+ var1_renamed 
+--------------
+         1000
+(1 row)
+
+DROP VARIABLE public.var1_renamed;
+SET ROLE TO DEFAULt;
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+CREATE VARIABLE public.var2 AS int;
+SET ROLE TO var_test_role;
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+ var2 
+------
+  100
+(1 row)
+
+SET ROLE TO DEFAULt;
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+DROP ROLE var_test_role;
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+SELECT xx, upper(xx);
+  xx   | upper 
+-------+-------
+ hello | HELLO
+(1 row)
+
+LET xx = 'Hi';
+SELECT xx;
+ xx 
+----
+ Hi
+(1 row)
+
+DROP VARIABLE xx;
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+COMMIT;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+ROLLBACK;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+DROP VARIABLE t1;
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+ v1  |  v2   
+-----+-------
+ 100 | Hello
+(1 row)
+
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+ v1 |  v2  
+----+------
+  0 | none
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+                 QUERY PLAN                 
+--------------------------------------------
+ Aggregate
+   ->  Gather
+         Workers Planned: 2
+         ->  Parallel Seq Scan on svar_test
+               Filter: ((a % 10) = zero)
+(5 rows)
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+ count 
+-------
+   100
+(1 row)
+
+LET zero = (SELECT count(*) FROM svar_test);
+-- result should be 1000
+SELECT zero;
+ zero 
+------
+ 1000
+(1 row)
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+                        QUERY PLAN                        
+----------------------------------------------------------
+ SET SESSION VARIABLE
+ Result
+   InitPlan 1 (returns $1)
+     ->  Finalize Aggregate
+           ->  Gather
+                 Workers Planned: 2
+                 ->  Partial Aggregate
+                       ->  Parallel Seq Scan on svar_test
+(8 rows)
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+ERROR:  cannot alter table "svar_test" because session variable "svartest.v_table" uses it
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- start a new session
+\c
+SET search_path to svartest;
+SELECT * FROM vv;
+ result 
+--------
+   1000
+(1 row)
+
+LET v = 3.14;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- should fail, dependency
+DROP VARIABLE v;
+ERROR:  cannot drop session variable v because other objects depend on it
+DETAIL:  view vv depends on session variable v
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v CASCADE;
+NOTICE:  drop cascades to view vv
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+LET dt = 100;
+SELECT dt;
+ dt  
+-----
+ 100
+(1 row)
+
+DISCARD VARIABLES;
+SELECT dt;
+ dt 
+----
+  0
+(1 row)
+
+DROP VARIABLE dt;
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+-- should fail
+SELECT v1;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+DETAIL:  The session variable was not initialized yet.
+SELECT v2;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+ v1  |  v2  
+-----+------
+ 100 | 1000
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+NOTICE:  session variable "tv" already exists, skipping
+DROP VARIABLE tv;
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+-- should fail;
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+-- should be ok
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+DROP VARIABLE iv;
+CREATE IMMUTABLE VARIABLE iv AS int;
+-- should be ok
+LET iv = NULL;
+-- should fail
+LET iv = NULL;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+SELECT do_test_svar;
+ do_test_svar 
+--------------
+ 01-01-2000
+(1 row)
+
+DROP VARIABLE do_test_svar;
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+ERROR:  IMMUTABLE NOT NULL variable requires default expression
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+CREATE VARIABLE xxx_var AS int;
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+    varowner    
+----------------
+ var_test_role2
+(1 row)
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     1
+(1 row)
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     0
+(1 row)
+
+-- creating, dropping temporary variable
+BEGIN;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+SAVEPOINT s1;
+DROP VARIABLE tempvar;
+ROLLBACK TO s1;
+SELECT tempvar;
+ tempvar 
+---------
+     100
+(1 row)
+
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+BEGIN;
+SAVEPOINT s1;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+ROLLBACK TO s1;
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+ var1 
+------
+  100
+(1 row)
+
+DROP VARIABLE var1;
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+    obj_description    
+-----------------------
+ some variable comment
+(1 row)
+
+DROP VARIABLE var1;
+CREATE TABLE xxtab(avar int);
+CREATE TYPE xxtype AS (avar int);
+CREATE VARIABLE xxtab AS xxtype;
+INSERT INTO xxtab VALUES(10);
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+SET session_variables_ambiguity_warning TO on;
+SELECT xxtab.avar FROM xxtab;
+WARNING:  session variable "xxtab.avar" is shadowed
+LINE 1: SELECT xxtab.avar FROM xxtab;
+               ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+ avar 
+------
+   10
+(1 row)
+
+SET search_path = svartest;
+CREATE VARIABLE testvar as int;
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar := 1000
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar := 1000
+NOTICE:  session variable is 100
+NOTICE:  plpgsql variable is 1000
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar
+NOTICE:  variable is 1000
+DROP VARIABLE testvar;
+SET session_variables_ambiguity_warning TO default;
+-- should be ok
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+CREATE VARIABLE public.avar AS int;
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+ avar 
+------
+     
+(1 row)
+
+DROP VARIABLE xxtab;
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+DROP VARIABLE public.avar;
+DROP TYPE xxtype;
+DROP TABLE xxtab;
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+SET plan_cache_mode = force_generic_plan;
+PREPARE pp AS SELECT xx;
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+CREATE VARIABLE xx AS int;
+-- should to work
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+DEALLOCATE pp;
+SET plan_cache_mode = DEFAULT;
+CREATE ROLE var_test_role;
+CREATE SCHEMA vartest;
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+LET vartest.x = 100;
+LET vartest.y = 101;
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+SET ROLE TO var_test_role;
+SELECT vartest.x, vartest.y;
+  x  |  y  
+-----+-----
+ 100 | 101
+(1 row)
+
+SET ROLE TO DEFAULT;
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT vartest.x;
+ERROR:  permission denied for session variable x
+SELECT vartest.y;
+ERROR:  permission denied for session variable y
+SET ROLE TO DEFAULT;
+DROP VARIABLE vartest.x, vartest.y;
+DROP SCHEMA vartest;
+DROP ROLE var_test_role;
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+SET plan_cache_mode to force_generic_plan;
+EXECUTE q1;
+ ?column? 
+----------
+ test5
+ test10
+(2 rows)
+
+EXPLAIN EXECUTE q1;
+                              QUERY PLAN                               
+-----------------------------------------------------------------------
+ Function Scan on generate_series g  (cost=0.00..0.14 rows=2 width=32)
+   Filter: (i = ANY (ARRAY[v2, v3]))
+(2 rows)
+
+-- dependecy check
+DROP VARIABLE v3;
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+-- should to work, the plan should be recreated
+EXECUTE q1;
+ ?column? 
+----------
+ test6
+ test10
+(2 rows)
+
+DEALLOCATE q1;
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+PREPARE q1 AS SELECT length(v1);
+EXECUTE q1;
+ length 
+--------
+  10000
+(1 row)
+
+LET v1 = repeat(' ', 5000);
+EXECUTE q1;
+ length 
+--------
+   5000
+(1 row)
+
+DEALLOCATE q1;
+SET plan_cache_mode to default;
+DROP VARIABLE v1, v2, v3;
+CREATE ROLE var_test_role;
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO default;
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO default;
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should be fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO DEFAULT;
+DROP FUNCTION public.fx_var(int);
+DROP VARIABLE public.v1;
+DROP ROLE var_test_role;
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+LET public.svar = ROW(10,20,30);
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+-- should be ok
+SELECT public.svar;
+  svar   
+---------
+ (10,20)
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+-- should be ok
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar = ROW(10,20,30);
+-- should be ok again for new value
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+LET public.svar = 100;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+ROLLBACK;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+COMMIT;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+ERROR:  missing FROM-clause entry for table "f"
+LINE 1: ...FROM pg_debug_show_used_session_variables() WHERE f.varid = ...
+                                                             ^
+BEGIN;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+LET public.svar = 100;
+ROLLBACK;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+\unset varid
+CREATE VARIABLE public.svar AS int;
+LET public.svar = 100;
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+-- the value should be still available
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+LET public.svar = (10, 20);
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar2 = (10, 20, 30);
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar  
+-------
+ (10,)
+(1 row)
+
+SELECT public.svar2;
+  svar2  
+---------
+ (10,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_type;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+CREATE VARIABLE public.svar AS public.svar_type2;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+CREATE TABLE public.svar (a int, b int);
+INSERT INTO public.svar VALUES(10, 20);
+LET public.svar = (100, 200, 300);
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+WARNING:  session variable "public.svar" is shadowed
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+DETAIL:  Session variables can be shadowed by tables or table's aliases with the same name.
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
diff --git a/src/test/regress/parallel_schedule b/src/test/regress/parallel_schedule
index 9f644a0c1b..7426b39ab3 100644
--- a/src/test/regress/parallel_schedule
+++ b/src/test/regress/parallel_schedule
@@ -119,7 +119,7 @@ test: json jsonb json_encoding jsonpath jsonpath_encoding jsonb_jsonpath
 # NB: temp.sql does a reconnect which transiently uses 2 connections,
 # so keep this parallel group to at most 19 tests
 # ----------
-test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml
+test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml session_variables
 
 # ----------
 # Another group of parallel tests
diff --git a/src/test/regress/sql/session_variables.sql b/src/test/regress/sql/session_variables.sql
new file mode 100644
index 0000000000..d32bb5b042
--- /dev/null
+++ b/src/test/regress/sql/session_variables.sql
@@ -0,0 +1,959 @@
+CREATE SCHEMA svartest;
+
+SET search_path = svartest;
+
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+
+DROP VARIABLE var1, var2;
+
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+-- should work
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should work
+LET var1 = 333;
+
+SET ROLE TO DEFAULT;
+
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+
+SELECT secure_var();
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT svartest.var1;
+
+-- should work;
+SELECT secure_var();
+
+SET ROLE TO DEFAULT;
+
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+
+CREATE VIEW schema_var_view AS SELECT var1;
+
+SELECT * FROM schema_var_view;
+
+\c -
+
+SET search_path = svartest;
+
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+
+LET var1 = pi();
+
+SELECT var1;
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+
+SELECT var1;
+
+CREATE VARIABLE var3 AS int;
+
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+
+SELECT inc(1);
+SELECT inc(1);
+SELECT inc(1);
+
+SELECT inc(1) FROM generate_series(1,10);
+
+SET ROLE TO var_test_role;
+
+-- should fail
+LET var3 = 0;
+
+SET ROLE TO DEFAULT;
+
+DROP VIEW schema_var_view;
+
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+
+-- composite variables
+
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+
+\d v1
+\d v2
+
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+
+SELECT v1;
+SELECT v2;
+SELECT (v1).*;
+SELECT (v2).*;
+
+SELECT v1.x + v1.z;
+SELECT v2.x + v2.z;
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+
+SELECT v2.x;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+
+-- should fail
+SELECT varx.xxx;
+
+-- variables can be updated under RO transaction
+
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+
+SELECT varx;
+
+DROP VARIABLE varx;
+
+CREATE TYPE t1 AS (a int, b numeric, c text);
+
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+LET v1.b = 10.2222;
+SELECT v1;
+
+-- should fail
+LET v1.x = 10;
+
+DROP VARIABLE v1;
+DROP TYPE t1;
+
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+LET va2.b[1] = 10.3;
+SELECT va2;
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+
+-- should fail due dependency
+DROP TYPE t2;
+
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+
+CREATE ROLE var_test_role;
+
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+DROP VARIABLE var_schema2.var1;
+
+SET ROLE TO DEFAULT;
+
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+
+SET ROLE TO var_test_role;
+SELECT public.var1;
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+
+SELECT public.var1_renamed;
+
+DROP VARIABLE public.var1_renamed;
+
+SET ROLE TO DEFAULt;
+
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+
+CREATE VARIABLE public.var2 AS int;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+
+SET ROLE TO DEFAULt;
+
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+
+DROP ROLE var_test_role;
+
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+
+SELECT xx, upper(xx);
+
+LET xx = 'Hi';
+
+SELECT xx;
+
+DROP VARIABLE xx;
+
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+COMMIT;
+
+SELECT t1;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+ROLLBACK;
+
+SELECT t1;
+
+DROP VARIABLE t1;
+
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+
+SELECT count(*) FROM pg_variable;
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+LET zero = (SELECT count(*) FROM svar_test);
+
+-- result should be 1000
+SELECT zero;
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+
+-- start a new session
+\c
+
+SET search_path to svartest;
+
+SELECT * FROM vv;
+LET v = 3.14;
+SELECT * FROM vv;
+
+-- should fail, dependency
+DROP VARIABLE v;
+
+-- should be ok
+DROP VARIABLE v CASCADE;
+
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+
+LET dt = 100;
+SELECT dt;
+
+DISCARD VARIABLES;
+
+SELECT dt;
+
+DROP VARIABLE dt;
+
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+
+-- should fail
+SELECT v1;
+SELECT v2;
+LET v1 = NULL;
+LET v2 = NULL;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+DROP VARIABLE tv;
+
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+
+-- should fail;
+LET iv = 10000;
+
+DROP VARIABLE iv;
+
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+-- should be ok
+SELECT iv;
+
+DROP VARIABLE iv;
+
+CREATE IMMUTABLE VARIABLE iv AS int;
+
+-- should be ok
+LET iv = NULL;
+
+-- should fail
+LET iv = NULL;
+
+DROP VARIABLE iv;
+
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+
+SELECT do_test_svar;
+
+DROP VARIABLE do_test_svar;
+
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+
+
+
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+
+CREATE VARIABLE xxx_var AS int;
+
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+-- creating, dropping temporary variable
+BEGIN;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+SAVEPOINT s1;
+
+DROP VARIABLE tempvar;
+
+ROLLBACK TO s1;
+
+SELECT tempvar;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+BEGIN;
+
+SAVEPOINT s1;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+ROLLBACK TO s1;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+
+DROP VARIABLE var1;
+
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+
+DROP VARIABLE var1;
+
+CREATE TABLE xxtab(avar int);
+
+CREATE TYPE xxtype AS (avar int);
+
+CREATE VARIABLE xxtab AS xxtype;
+
+INSERT INTO xxtab VALUES(10);
+
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+
+SET session_variables_ambiguity_warning TO on;
+
+SELECT xxtab.avar FROM xxtab;
+
+SET search_path = svartest;
+
+CREATE VARIABLE testvar as int;
+
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+
+DROP VARIABLE testvar;
+
+SET session_variables_ambiguity_warning TO default;
+
+-- should be ok
+SELECT avar FROM xxtab;
+
+CREATE VARIABLE public.avar AS int;
+
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+
+DROP VARIABLE xxtab;
+
+SELECT xxtab.avar FROM xxtab;
+
+DROP VARIABLE public.avar;
+
+DROP TYPE xxtype;
+
+DROP TABLE xxtab;
+
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+
+SET plan_cache_mode = force_generic_plan;
+
+PREPARE pp AS SELECT xx;
+
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+CREATE VARIABLE xx AS int;
+
+-- should to work
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+DEALLOCATE pp;
+
+SET plan_cache_mode = DEFAULT;
+
+CREATE ROLE var_test_role;
+
+CREATE SCHEMA vartest;
+
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+
+LET vartest.x = 100;
+LET vartest.y = 101;
+
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+SELECT vartest.x, vartest.y;
+
+SET ROLE TO DEFAULT;
+
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT vartest.x;
+SELECT vartest.y;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE vartest.x, vartest.y;
+
+DROP SCHEMA vartest;
+
+DROP ROLE var_test_role;
+
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+
+SET plan_cache_mode to force_generic_plan;
+
+EXECUTE q1;
+
+EXPLAIN EXECUTE q1;
+
+-- dependecy check
+DROP VARIABLE v3;
+
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+
+-- should to work, the plan should be recreated
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+
+PREPARE q1 AS SELECT length(v1);
+
+EXECUTE q1;
+
+LET v1 = repeat(' ', 5000);
+
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+SET plan_cache_mode to default;
+
+DROP VARIABLE v1, v2, v3;
+
+CREATE ROLE var_test_role;
+
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be fail
+SELECT public.fx_var(0);
+
+SET ROLE TO DEFAULT;
+
+DROP FUNCTION public.fx_var(int);
+
+DROP VARIABLE public.v1;
+
+DROP ROLE var_test_role;
+
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+LET public.svar = ROW(10,20,30);
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+
+-- should be ok
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+-- should be ok
+SELECT public.svar;
+
+LET public.svar = ROW(10,20,30);
+
+-- should be ok again for new value
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+DROP TYPE public.svar_test_type;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+LET public.svar = 100;
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+ROLLBACK;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+SELECT public.svar;
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+
+COMMIT;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+
+BEGIN;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+
+LET public.svar = 100;
+
+ROLLBACK;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+\unset varid
+
+CREATE VARIABLE public.svar AS int;
+
+LET public.svar = 100;
+
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+
+-- the value should be still available
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+
+LET public.svar = (10, 20);
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+LET public.svar2 = (10, 20, 30);
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+SELECT public.svar2;
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_type;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+
+CREATE VARIABLE public.svar AS public.svar_type2;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+
+CREATE TABLE public.svar (a int, b int);
+
+INSERT INTO public.svar VALUES(10, 20);
+
+LET public.svar = (100, 200, 300);
+
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
-- 
2.37.0


--w2in66fnadvggvsb
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename="v20220916-0011-FIXUP-regress-tests-for-session-variables.patch"



^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v20220922 10/13] regress tests for session variables
@ 2022-04-04 18:54  [email protected] <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: [email protected] @ 2022-04-04 18:54 UTC (permalink / raw)

Checks of basic functionality, check of usage session variables in subtransactions
and from PLpgSQL
---
 .../isolation/expected/session-variable.out   |   86 ++
 src/test/isolation/isolation_schedule         |    1 +
 .../isolation/specs/session-variable.spec     |   34 +
 .../regress/expected/session_variables.out    | 1287 +++++++++++++++++
 src/test/regress/parallel_schedule            |    2 +-
 src/test/regress/sql/session_variables.sql    |  959 ++++++++++++
 6 files changed, 2368 insertions(+), 1 deletion(-)
 create mode 100644 src/test/isolation/expected/session-variable.out
 create mode 100644 src/test/isolation/specs/session-variable.spec
 create mode 100644 src/test/regress/expected/session_variables.out
 create mode 100644 src/test/regress/sql/session_variables.sql

diff --git a/src/test/isolation/expected/session-variable.out b/src/test/isolation/expected/session-variable.out
new file mode 100644
index 0000000000..b0059910a1
--- /dev/null
+++ b/src/test/isolation/expected/session-variable.out
@@ -0,0 +1,86 @@
+Parsed test spec with 2 sessions
+
+starting permutation: let val drop val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+
+starting permutation: let val s1 drop val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+step sr1: ROLLBACK;
+
+starting permutation: let val dbg drop create dbg val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name|removed
+------+----+-------
+(0 rows)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+
+starting permutation: let val s1 dbg drop create dbg val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+step sr1: ROLLBACK;
diff --git a/src/test/isolation/isolation_schedule b/src/test/isolation/isolation_schedule
index 5413a59a80..67837ef00f 100644
--- a/src/test/isolation/isolation_schedule
+++ b/src/test/isolation/isolation_schedule
@@ -108,3 +108,4 @@ test: cluster-conflict-partition
 test: truncate-conflict
 test: serializable-parallel
 test: serializable-parallel-2
+test: session-variable
diff --git a/src/test/isolation/specs/session-variable.spec b/src/test/isolation/specs/session-variable.spec
new file mode 100644
index 0000000000..fe47339110
--- /dev/null
+++ b/src/test/isolation/specs/session-variable.spec
@@ -0,0 +1,34 @@
+# Test session variables memory cleanup for sinval
+
+setup
+{
+    CREATE VARIABLE myvar AS text;
+}
+
+teardown
+{
+    DROP VARIABLE IF EXISTS myvar;
+}
+
+session s1
+step s1		{ BEGIN; }
+step let	{ LET myvar = 'test'; }
+step val	{ SELECT myvar; }
+step dbg	{ SELECT schema, name, removed FROM pg_debug_show_used_session_variables(); }
+step sr1	{ ROLLBACK; }
+
+
+session s2
+step drop		{ DROP VARIABLE myvar; }
+step create		{ CREATE VARIABLE myvar AS text }
+
+# Concurrent drop of a known variable should lead to an error
+permutation let val drop val
+# Same, but with an explicit transaction
+permutation let val s1 drop val sr1
+# Concurrent drop/create of a known variable should lead to empty variable
+permutation let val dbg drop create dbg val
+# Concurrent drop/create of a known variable should lead to empty variable
+# We need a transaction to make sure that we won't accept invalidation when
+# calling the dbg step after the concurrent drop
+permutation let val s1 dbg drop create dbg val sr1
diff --git a/src/test/regress/expected/session_variables.out b/src/test/regress/expected/session_variables.out
new file mode 100644
index 0000000000..d411f0440d
--- /dev/null
+++ b/src/test/regress/expected/session_variables.out
@@ -0,0 +1,1287 @@
+CREATE SCHEMA svartest;
+SET search_path = svartest;
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+DROP VARIABLE var1, var2;
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+SELECT var1;
+ERROR:  permission denied for session variable var1
+SET ROLE TO DEFAULT;
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+ERROR:  permission denied for session variable var1
+-- should work
+SELECT var1;
+ var1 
+------
+     
+(1 row)
+
+SET ROLE TO DEFAULT;
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should work
+LET var1 = 333;
+SET ROLE TO DEFAULT;
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should fail
+SELECT svartest.var1;
+ERROR:  permission denied for session variable var1
+-- should work;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO DEFAULT;
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+                  QUERY PLAN                   
+-----------------------------------------------
+ Function Scan on pg_catalog.generate_series g
+   Output: v
+   Function Call: generate_series(1, 100)
+   Filter: ((g.v)::numeric = var1)
+(4 rows)
+
+CREATE VIEW schema_var_view AS SELECT var1;
+SELECT * FROM schema_var_view;
+ var1 
+------
+  333
+(1 row)
+
+\c -
+SET search_path = svartest;
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+ var1 
+------
+     
+(1 row)
+
+LET var1 = pi();
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+         QUERY PLAN         
+----------------------------
+ SET SESSION VARIABLE
+ Result
+   Output: 3.14159265358979
+(3 rows)
+
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+CREATE VARIABLE var3 AS int;
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+SELECT inc(1);
+ inc 
+-----
+   1
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   2
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   3
+(1 row)
+
+SELECT inc(1) FROM generate_series(1,10);
+ inc 
+-----
+   4
+   5
+   6
+   7
+   8
+   9
+  10
+  11
+  12
+  13
+(10 rows)
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var3 = 0;
+ERROR:  permission denied for session variable var3
+SET ROLE TO DEFAULT;
+DROP VIEW schema_var_view;
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+-- composite variables
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+\d v1
+\d v2
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+SELECT v1;
+     v1     
+------------
+ (1,2,3.14)
+(1 row)
+
+SELECT v2;
+      v2       
+---------------
+ (10,20,31.40)
+(1 row)
+
+SELECT (v1).*;
+ x | y |  z   
+---+---+------
+ 1 | 2 | 3.14
+(1 row)
+
+SELECT (v2).*;
+ x  | y  |   z   
+----+----+-------
+ 10 | 20 | 31.40
+(1 row)
+
+SELECT v1.x + v1.z;
+ ?column? 
+----------
+     4.14
+(1 row)
+
+SELECT v2.x + v2.z;
+ ?column? 
+----------
+    41.40
+(1 row)
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+SELECT v2.x;
+ERROR:  permission denied for session variable v2
+SET ROLE TO DEFAULT;
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+ relname  
+----------
+ pg_class
+(1 row)
+
+-- should fail
+SELECT varx.xxx;
+ERROR:  type text is not composite
+-- variables can be updated under RO transaction
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+SELECT varx;
+ varx  
+-------
+ hello
+(1 row)
+
+DROP VARIABLE varx;
+CREATE TYPE t1 AS (a int, b numeric, c text);
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+             v1             
+----------------------------
+ (1,3.14159265358979,hello)
+(1 row)
+
+LET v1.b = 10.2222;
+SELECT v1;
+        v1         
+-------------------
+ (1,10.2222,hello)
+(1 row)
+
+-- should fail
+LET v1.x = 10;
+ERROR:  cannot assign to field "x" of column "v1" because there is no such column in data type t1
+LINE 1: LET v1.x = 10;
+            ^
+DROP VARIABLE v1;
+DROP TYPE t1;
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+    va1     
+------------
+ {10.1,2.1}
+(1 row)
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+        va2         
+--------------------
+ (10.2,"{0.0,0.0}")
+(1 row)
+
+LET va2.b[1] = 10.3;
+SELECT va2;
+         va2         
+---------------------
+ (10.2,"{10.3,0.0}")
+(1 row)
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+        v1        
+------------------
+ 6.28318530717958
+(1 row)
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+            v2            
+--------------------------
+ (3.14159265358979,Hello)
+(1 row)
+
+-- should fail due dependency
+DROP TYPE t2;
+ERROR:  cannot drop type t2 because other objects depend on it
+DETAIL:  session variable v2 depends on type t2
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+CREATE ROLE var_test_role;
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+DROP VARIABLE var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+SET ROLE TO DEFAULT;
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+SET ROLE TO var_test_role;
+SELECT public.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+SELECT public.var1_renamed;
+ var1_renamed 
+--------------
+         1000
+(1 row)
+
+DROP VARIABLE public.var1_renamed;
+SET ROLE TO DEFAULt;
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+CREATE VARIABLE public.var2 AS int;
+SET ROLE TO var_test_role;
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+ var2 
+------
+  100
+(1 row)
+
+SET ROLE TO DEFAULt;
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+DROP ROLE var_test_role;
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+SELECT xx, upper(xx);
+  xx   | upper 
+-------+-------
+ hello | HELLO
+(1 row)
+
+LET xx = 'Hi';
+SELECT xx;
+ xx 
+----
+ Hi
+(1 row)
+
+DROP VARIABLE xx;
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+COMMIT;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+ROLLBACK;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+DROP VARIABLE t1;
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+ v1  |  v2   
+-----+-------
+ 100 | Hello
+(1 row)
+
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+ v1 |  v2  
+----+------
+  0 | none
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+                 QUERY PLAN                 
+--------------------------------------------
+ Aggregate
+   ->  Gather
+         Workers Planned: 2
+         ->  Parallel Seq Scan on svar_test
+               Filter: ((a % 10) = zero)
+(5 rows)
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+ count 
+-------
+   100
+(1 row)
+
+LET zero = (SELECT count(*) FROM svar_test);
+-- result should be 1000
+SELECT zero;
+ zero 
+------
+ 1000
+(1 row)
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+                        QUERY PLAN                        
+----------------------------------------------------------
+ SET SESSION VARIABLE
+ Result
+   InitPlan 1 (returns $1)
+     ->  Finalize Aggregate
+           ->  Gather
+                 Workers Planned: 2
+                 ->  Partial Aggregate
+                       ->  Parallel Seq Scan on svar_test
+(8 rows)
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+ERROR:  cannot alter table "svar_test" because session variable "svartest.v_table" uses it
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- start a new session
+\c
+SET search_path to svartest;
+SELECT * FROM vv;
+ result 
+--------
+   1000
+(1 row)
+
+LET v = 3.14;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- should fail, dependency
+DROP VARIABLE v;
+ERROR:  cannot drop session variable v because other objects depend on it
+DETAIL:  view vv depends on session variable v
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v CASCADE;
+NOTICE:  drop cascades to view vv
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+LET dt = 100;
+SELECT dt;
+ dt  
+-----
+ 100
+(1 row)
+
+DISCARD VARIABLES;
+SELECT dt;
+ dt 
+----
+  0
+(1 row)
+
+DROP VARIABLE dt;
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+-- should fail
+SELECT v1;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+DETAIL:  The session variable was not initialized yet.
+SELECT v2;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+ v1  |  v2  
+-----+------
+ 100 | 1000
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+NOTICE:  session variable "tv" already exists, skipping
+DROP VARIABLE tv;
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+-- should fail;
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+-- should be ok
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+DROP VARIABLE iv;
+CREATE IMMUTABLE VARIABLE iv AS int;
+-- should be ok
+LET iv = NULL;
+-- should fail
+LET iv = NULL;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+SELECT do_test_svar;
+ do_test_svar 
+--------------
+ 01-01-2000
+(1 row)
+
+DROP VARIABLE do_test_svar;
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+ERROR:  IMMUTABLE NOT NULL variable requires default expression
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+CREATE VARIABLE xxx_var AS int;
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+    varowner    
+----------------
+ var_test_role2
+(1 row)
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     1
+(1 row)
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     0
+(1 row)
+
+-- creating, dropping temporary variable
+BEGIN;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+SAVEPOINT s1;
+DROP VARIABLE tempvar;
+ROLLBACK TO s1;
+SELECT tempvar;
+ tempvar 
+---------
+     100
+(1 row)
+
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+BEGIN;
+SAVEPOINT s1;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+ROLLBACK TO s1;
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+ var1 
+------
+  100
+(1 row)
+
+DROP VARIABLE var1;
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+    obj_description    
+-----------------------
+ some variable comment
+(1 row)
+
+DROP VARIABLE var1;
+CREATE TABLE xxtab(avar int);
+CREATE TYPE xxtype AS (avar int);
+CREATE VARIABLE xxtab AS xxtype;
+INSERT INTO xxtab VALUES(10);
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+SET session_variables_ambiguity_warning TO on;
+SELECT xxtab.avar FROM xxtab;
+WARNING:  session variable "xxtab.avar" is shadowed
+LINE 1: SELECT xxtab.avar FROM xxtab;
+               ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+ avar 
+------
+   10
+(1 row)
+
+SET search_path = svartest;
+CREATE VARIABLE testvar as int;
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar := 1000
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar := 1000
+NOTICE:  session variable is 100
+NOTICE:  plpgsql variable is 1000
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar
+NOTICE:  variable is 1000
+DROP VARIABLE testvar;
+SET session_variables_ambiguity_warning TO default;
+-- should be ok
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+CREATE VARIABLE public.avar AS int;
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+ avar 
+------
+     
+(1 row)
+
+DROP VARIABLE xxtab;
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+DROP VARIABLE public.avar;
+DROP TYPE xxtype;
+DROP TABLE xxtab;
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+SET plan_cache_mode = force_generic_plan;
+PREPARE pp AS SELECT xx;
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+CREATE VARIABLE xx AS int;
+-- should to work
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+DEALLOCATE pp;
+SET plan_cache_mode = DEFAULT;
+CREATE ROLE var_test_role;
+CREATE SCHEMA vartest;
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+LET vartest.x = 100;
+LET vartest.y = 101;
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+SET ROLE TO var_test_role;
+SELECT vartest.x, vartest.y;
+  x  |  y  
+-----+-----
+ 100 | 101
+(1 row)
+
+SET ROLE TO DEFAULT;
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT vartest.x;
+ERROR:  permission denied for session variable x
+SELECT vartest.y;
+ERROR:  permission denied for session variable y
+SET ROLE TO DEFAULT;
+DROP VARIABLE vartest.x, vartest.y;
+DROP SCHEMA vartest;
+DROP ROLE var_test_role;
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+SET plan_cache_mode to force_generic_plan;
+EXECUTE q1;
+ ?column? 
+----------
+ test5
+ test10
+(2 rows)
+
+EXPLAIN EXECUTE q1;
+                              QUERY PLAN                               
+-----------------------------------------------------------------------
+ Function Scan on generate_series g  (cost=0.00..0.14 rows=2 width=32)
+   Filter: (i = ANY (ARRAY[v2, v3]))
+(2 rows)
+
+-- dependecy check
+DROP VARIABLE v3;
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+-- should to work, the plan should be recreated
+EXECUTE q1;
+ ?column? 
+----------
+ test6
+ test10
+(2 rows)
+
+DEALLOCATE q1;
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+PREPARE q1 AS SELECT length(v1);
+EXECUTE q1;
+ length 
+--------
+  10000
+(1 row)
+
+LET v1 = repeat(' ', 5000);
+EXECUTE q1;
+ length 
+--------
+   5000
+(1 row)
+
+DEALLOCATE q1;
+SET plan_cache_mode to default;
+DROP VARIABLE v1, v2, v3;
+CREATE ROLE var_test_role;
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO default;
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO default;
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should be fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO DEFAULT;
+DROP FUNCTION public.fx_var(int);
+DROP VARIABLE public.v1;
+DROP ROLE var_test_role;
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+LET public.svar = ROW(10,20,30);
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+-- should be ok
+SELECT public.svar;
+  svar   
+---------
+ (10,20)
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+-- should be ok
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar = ROW(10,20,30);
+-- should be ok again for new value
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+LET public.svar = 100;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+ROLLBACK;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+COMMIT;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+ERROR:  missing FROM-clause entry for table "f"
+LINE 1: ...FROM pg_debug_show_used_session_variables() WHERE f.varid = ...
+                                                             ^
+BEGIN;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+LET public.svar = 100;
+ROLLBACK;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+\unset varid
+CREATE VARIABLE public.svar AS int;
+LET public.svar = 100;
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+-- the value should be still available
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+LET public.svar = (10, 20);
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar2 = (10, 20, 30);
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar  
+-------
+ (10,)
+(1 row)
+
+SELECT public.svar2;
+  svar2  
+---------
+ (10,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_type;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+CREATE VARIABLE public.svar AS public.svar_type2;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+CREATE TABLE public.svar (a int, b int);
+INSERT INTO public.svar VALUES(10, 20);
+LET public.svar = (100, 200, 300);
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+WARNING:  session variable "public.svar" is shadowed
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+DETAIL:  Session variables can be shadowed by tables or table's aliases with the same name.
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
diff --git a/src/test/regress/parallel_schedule b/src/test/regress/parallel_schedule
index 9f644a0c1b..7426b39ab3 100644
--- a/src/test/regress/parallel_schedule
+++ b/src/test/regress/parallel_schedule
@@ -119,7 +119,7 @@ test: json jsonb json_encoding jsonpath jsonpath_encoding jsonb_jsonpath
 # NB: temp.sql does a reconnect which transiently uses 2 connections,
 # so keep this parallel group to at most 19 tests
 # ----------
-test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml
+test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml session_variables
 
 # ----------
 # Another group of parallel tests
diff --git a/src/test/regress/sql/session_variables.sql b/src/test/regress/sql/session_variables.sql
new file mode 100644
index 0000000000..d32bb5b042
--- /dev/null
+++ b/src/test/regress/sql/session_variables.sql
@@ -0,0 +1,959 @@
+CREATE SCHEMA svartest;
+
+SET search_path = svartest;
+
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+
+DROP VARIABLE var1, var2;
+
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+-- should work
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should work
+LET var1 = 333;
+
+SET ROLE TO DEFAULT;
+
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+
+SELECT secure_var();
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT svartest.var1;
+
+-- should work;
+SELECT secure_var();
+
+SET ROLE TO DEFAULT;
+
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+
+CREATE VIEW schema_var_view AS SELECT var1;
+
+SELECT * FROM schema_var_view;
+
+\c -
+
+SET search_path = svartest;
+
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+
+LET var1 = pi();
+
+SELECT var1;
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+
+SELECT var1;
+
+CREATE VARIABLE var3 AS int;
+
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+
+SELECT inc(1);
+SELECT inc(1);
+SELECT inc(1);
+
+SELECT inc(1) FROM generate_series(1,10);
+
+SET ROLE TO var_test_role;
+
+-- should fail
+LET var3 = 0;
+
+SET ROLE TO DEFAULT;
+
+DROP VIEW schema_var_view;
+
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+
+-- composite variables
+
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+
+\d v1
+\d v2
+
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+
+SELECT v1;
+SELECT v2;
+SELECT (v1).*;
+SELECT (v2).*;
+
+SELECT v1.x + v1.z;
+SELECT v2.x + v2.z;
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+
+SELECT v2.x;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+
+-- should fail
+SELECT varx.xxx;
+
+-- variables can be updated under RO transaction
+
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+
+SELECT varx;
+
+DROP VARIABLE varx;
+
+CREATE TYPE t1 AS (a int, b numeric, c text);
+
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+LET v1.b = 10.2222;
+SELECT v1;
+
+-- should fail
+LET v1.x = 10;
+
+DROP VARIABLE v1;
+DROP TYPE t1;
+
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+LET va2.b[1] = 10.3;
+SELECT va2;
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+
+-- should fail due dependency
+DROP TYPE t2;
+
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+
+CREATE ROLE var_test_role;
+
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+DROP VARIABLE var_schema2.var1;
+
+SET ROLE TO DEFAULT;
+
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+
+SET ROLE TO var_test_role;
+SELECT public.var1;
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+
+SELECT public.var1_renamed;
+
+DROP VARIABLE public.var1_renamed;
+
+SET ROLE TO DEFAULt;
+
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+
+CREATE VARIABLE public.var2 AS int;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+
+SET ROLE TO DEFAULt;
+
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+
+DROP ROLE var_test_role;
+
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+
+SELECT xx, upper(xx);
+
+LET xx = 'Hi';
+
+SELECT xx;
+
+DROP VARIABLE xx;
+
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+COMMIT;
+
+SELECT t1;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+ROLLBACK;
+
+SELECT t1;
+
+DROP VARIABLE t1;
+
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+
+SELECT count(*) FROM pg_variable;
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+LET zero = (SELECT count(*) FROM svar_test);
+
+-- result should be 1000
+SELECT zero;
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+
+-- start a new session
+\c
+
+SET search_path to svartest;
+
+SELECT * FROM vv;
+LET v = 3.14;
+SELECT * FROM vv;
+
+-- should fail, dependency
+DROP VARIABLE v;
+
+-- should be ok
+DROP VARIABLE v CASCADE;
+
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+
+LET dt = 100;
+SELECT dt;
+
+DISCARD VARIABLES;
+
+SELECT dt;
+
+DROP VARIABLE dt;
+
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+
+-- should fail
+SELECT v1;
+SELECT v2;
+LET v1 = NULL;
+LET v2 = NULL;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+DROP VARIABLE tv;
+
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+
+-- should fail;
+LET iv = 10000;
+
+DROP VARIABLE iv;
+
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+-- should be ok
+SELECT iv;
+
+DROP VARIABLE iv;
+
+CREATE IMMUTABLE VARIABLE iv AS int;
+
+-- should be ok
+LET iv = NULL;
+
+-- should fail
+LET iv = NULL;
+
+DROP VARIABLE iv;
+
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+
+SELECT do_test_svar;
+
+DROP VARIABLE do_test_svar;
+
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+
+
+
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+
+CREATE VARIABLE xxx_var AS int;
+
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+-- creating, dropping temporary variable
+BEGIN;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+SAVEPOINT s1;
+
+DROP VARIABLE tempvar;
+
+ROLLBACK TO s1;
+
+SELECT tempvar;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+BEGIN;
+
+SAVEPOINT s1;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+ROLLBACK TO s1;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+
+DROP VARIABLE var1;
+
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+
+DROP VARIABLE var1;
+
+CREATE TABLE xxtab(avar int);
+
+CREATE TYPE xxtype AS (avar int);
+
+CREATE VARIABLE xxtab AS xxtype;
+
+INSERT INTO xxtab VALUES(10);
+
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+
+SET session_variables_ambiguity_warning TO on;
+
+SELECT xxtab.avar FROM xxtab;
+
+SET search_path = svartest;
+
+CREATE VARIABLE testvar as int;
+
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+
+DROP VARIABLE testvar;
+
+SET session_variables_ambiguity_warning TO default;
+
+-- should be ok
+SELECT avar FROM xxtab;
+
+CREATE VARIABLE public.avar AS int;
+
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+
+DROP VARIABLE xxtab;
+
+SELECT xxtab.avar FROM xxtab;
+
+DROP VARIABLE public.avar;
+
+DROP TYPE xxtype;
+
+DROP TABLE xxtab;
+
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+
+SET plan_cache_mode = force_generic_plan;
+
+PREPARE pp AS SELECT xx;
+
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+CREATE VARIABLE xx AS int;
+
+-- should to work
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+DEALLOCATE pp;
+
+SET plan_cache_mode = DEFAULT;
+
+CREATE ROLE var_test_role;
+
+CREATE SCHEMA vartest;
+
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+
+LET vartest.x = 100;
+LET vartest.y = 101;
+
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+SELECT vartest.x, vartest.y;
+
+SET ROLE TO DEFAULT;
+
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT vartest.x;
+SELECT vartest.y;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE vartest.x, vartest.y;
+
+DROP SCHEMA vartest;
+
+DROP ROLE var_test_role;
+
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+
+SET plan_cache_mode to force_generic_plan;
+
+EXECUTE q1;
+
+EXPLAIN EXECUTE q1;
+
+-- dependecy check
+DROP VARIABLE v3;
+
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+
+-- should to work, the plan should be recreated
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+
+PREPARE q1 AS SELECT length(v1);
+
+EXECUTE q1;
+
+LET v1 = repeat(' ', 5000);
+
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+SET plan_cache_mode to default;
+
+DROP VARIABLE v1, v2, v3;
+
+CREATE ROLE var_test_role;
+
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be fail
+SELECT public.fx_var(0);
+
+SET ROLE TO DEFAULT;
+
+DROP FUNCTION public.fx_var(int);
+
+DROP VARIABLE public.v1;
+
+DROP ROLE var_test_role;
+
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+LET public.svar = ROW(10,20,30);
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+
+-- should be ok
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+-- should be ok
+SELECT public.svar;
+
+LET public.svar = ROW(10,20,30);
+
+-- should be ok again for new value
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+DROP TYPE public.svar_test_type;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+LET public.svar = 100;
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+ROLLBACK;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+SELECT public.svar;
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+
+COMMIT;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+
+BEGIN;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+
+LET public.svar = 100;
+
+ROLLBACK;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+\unset varid
+
+CREATE VARIABLE public.svar AS int;
+
+LET public.svar = 100;
+
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+
+-- the value should be still available
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+
+LET public.svar = (10, 20);
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+LET public.svar2 = (10, 20, 30);
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+SELECT public.svar2;
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_type;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+
+CREATE VARIABLE public.svar AS public.svar_type2;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+
+CREATE TABLE public.svar (a int, b int);
+
+INSERT INTO public.svar VALUES(10, 20);
+
+LET public.svar = (100, 200, 300);
+
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
-- 
2.37.0


--z3ntqfnlkpftg4xg
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename="v20220922-0011-FIXUP-regress-tests-for-session-variables.patch"



^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH 09/11] regress tests for session variables
@ 2022-04-04 18:54  [email protected] <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: [email protected] @ 2022-04-04 18:54 UTC (permalink / raw)

Checks of basic functionality, check of usage session variables in subtransactions
and from PLpgSQL
---
 .../isolation/expected/session-variable.out   |   86 ++
 src/test/isolation/isolation_schedule         |    1 +
 .../isolation/specs/session-variable.spec     |   34 +
 .../regress/expected/session_variables.out    | 1287 +++++++++++++++++
 src/test/regress/parallel_schedule            |    2 +-
 src/test/regress/sql/session_variables.sql    |  959 ++++++++++++
 6 files changed, 2368 insertions(+), 1 deletion(-)
 create mode 100644 src/test/isolation/expected/session-variable.out
 create mode 100644 src/test/isolation/specs/session-variable.spec
 create mode 100644 src/test/regress/expected/session_variables.out
 create mode 100644 src/test/regress/sql/session_variables.sql

diff --git a/src/test/isolation/expected/session-variable.out b/src/test/isolation/expected/session-variable.out
new file mode 100644
index 0000000000..b0059910a1
--- /dev/null
+++ b/src/test/isolation/expected/session-variable.out
@@ -0,0 +1,86 @@
+Parsed test spec with 2 sessions
+
+starting permutation: let val drop val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+
+starting permutation: let val s1 drop val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+step sr1: ROLLBACK;
+
+starting permutation: let val dbg drop create dbg val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name|removed
+------+----+-------
+(0 rows)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+
+starting permutation: let val s1 dbg drop create dbg val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+step sr1: ROLLBACK;
diff --git a/src/test/isolation/isolation_schedule b/src/test/isolation/isolation_schedule
index 529a4cbd4d..96ecf93e32 100644
--- a/src/test/isolation/isolation_schedule
+++ b/src/test/isolation/isolation_schedule
@@ -107,3 +107,4 @@ test: cluster-conflict-partition
 test: truncate-conflict
 test: serializable-parallel
 test: serializable-parallel-2
+test: session-variable
diff --git a/src/test/isolation/specs/session-variable.spec b/src/test/isolation/specs/session-variable.spec
new file mode 100644
index 0000000000..fe47339110
--- /dev/null
+++ b/src/test/isolation/specs/session-variable.spec
@@ -0,0 +1,34 @@
+# Test session variables memory cleanup for sinval
+
+setup
+{
+    CREATE VARIABLE myvar AS text;
+}
+
+teardown
+{
+    DROP VARIABLE IF EXISTS myvar;
+}
+
+session s1
+step s1		{ BEGIN; }
+step let	{ LET myvar = 'test'; }
+step val	{ SELECT myvar; }
+step dbg	{ SELECT schema, name, removed FROM pg_debug_show_used_session_variables(); }
+step sr1	{ ROLLBACK; }
+
+
+session s2
+step drop		{ DROP VARIABLE myvar; }
+step create		{ CREATE VARIABLE myvar AS text }
+
+# Concurrent drop of a known variable should lead to an error
+permutation let val drop val
+# Same, but with an explicit transaction
+permutation let val s1 drop val sr1
+# Concurrent drop/create of a known variable should lead to empty variable
+permutation let val dbg drop create dbg val
+# Concurrent drop/create of a known variable should lead to empty variable
+# We need a transaction to make sure that we won't accept invalidation when
+# calling the dbg step after the concurrent drop
+permutation let val s1 dbg drop create dbg val sr1
diff --git a/src/test/regress/expected/session_variables.out b/src/test/regress/expected/session_variables.out
new file mode 100644
index 0000000000..d411f0440d
--- /dev/null
+++ b/src/test/regress/expected/session_variables.out
@@ -0,0 +1,1287 @@
+CREATE SCHEMA svartest;
+SET search_path = svartest;
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+DROP VARIABLE var1, var2;
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+SELECT var1;
+ERROR:  permission denied for session variable var1
+SET ROLE TO DEFAULT;
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+ERROR:  permission denied for session variable var1
+-- should work
+SELECT var1;
+ var1 
+------
+     
+(1 row)
+
+SET ROLE TO DEFAULT;
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should work
+LET var1 = 333;
+SET ROLE TO DEFAULT;
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should fail
+SELECT svartest.var1;
+ERROR:  permission denied for session variable var1
+-- should work;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO DEFAULT;
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+                  QUERY PLAN                   
+-----------------------------------------------
+ Function Scan on pg_catalog.generate_series g
+   Output: v
+   Function Call: generate_series(1, 100)
+   Filter: ((g.v)::numeric = var1)
+(4 rows)
+
+CREATE VIEW schema_var_view AS SELECT var1;
+SELECT * FROM schema_var_view;
+ var1 
+------
+  333
+(1 row)
+
+\c -
+SET search_path = svartest;
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+ var1 
+------
+     
+(1 row)
+
+LET var1 = pi();
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+         QUERY PLAN         
+----------------------------
+ SET SESSION VARIABLE
+ Result
+   Output: 3.14159265358979
+(3 rows)
+
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+CREATE VARIABLE var3 AS int;
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+SELECT inc(1);
+ inc 
+-----
+   1
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   2
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   3
+(1 row)
+
+SELECT inc(1) FROM generate_series(1,10);
+ inc 
+-----
+   4
+   5
+   6
+   7
+   8
+   9
+  10
+  11
+  12
+  13
+(10 rows)
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var3 = 0;
+ERROR:  permission denied for session variable var3
+SET ROLE TO DEFAULT;
+DROP VIEW schema_var_view;
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+-- composite variables
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+\d v1
+\d v2
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+SELECT v1;
+     v1     
+------------
+ (1,2,3.14)
+(1 row)
+
+SELECT v2;
+      v2       
+---------------
+ (10,20,31.40)
+(1 row)
+
+SELECT (v1).*;
+ x | y |  z   
+---+---+------
+ 1 | 2 | 3.14
+(1 row)
+
+SELECT (v2).*;
+ x  | y  |   z   
+----+----+-------
+ 10 | 20 | 31.40
+(1 row)
+
+SELECT v1.x + v1.z;
+ ?column? 
+----------
+     4.14
+(1 row)
+
+SELECT v2.x + v2.z;
+ ?column? 
+----------
+    41.40
+(1 row)
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+SELECT v2.x;
+ERROR:  permission denied for session variable v2
+SET ROLE TO DEFAULT;
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+ relname  
+----------
+ pg_class
+(1 row)
+
+-- should fail
+SELECT varx.xxx;
+ERROR:  type text is not composite
+-- variables can be updated under RO transaction
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+SELECT varx;
+ varx  
+-------
+ hello
+(1 row)
+
+DROP VARIABLE varx;
+CREATE TYPE t1 AS (a int, b numeric, c text);
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+             v1             
+----------------------------
+ (1,3.14159265358979,hello)
+(1 row)
+
+LET v1.b = 10.2222;
+SELECT v1;
+        v1         
+-------------------
+ (1,10.2222,hello)
+(1 row)
+
+-- should fail
+LET v1.x = 10;
+ERROR:  cannot assign to field "x" of column "v1" because there is no such column in data type t1
+LINE 1: LET v1.x = 10;
+            ^
+DROP VARIABLE v1;
+DROP TYPE t1;
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+    va1     
+------------
+ {10.1,2.1}
+(1 row)
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+        va2         
+--------------------
+ (10.2,"{0.0,0.0}")
+(1 row)
+
+LET va2.b[1] = 10.3;
+SELECT va2;
+         va2         
+---------------------
+ (10.2,"{10.3,0.0}")
+(1 row)
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+        v1        
+------------------
+ 6.28318530717958
+(1 row)
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+            v2            
+--------------------------
+ (3.14159265358979,Hello)
+(1 row)
+
+-- should fail due dependency
+DROP TYPE t2;
+ERROR:  cannot drop type t2 because other objects depend on it
+DETAIL:  session variable v2 depends on type t2
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+CREATE ROLE var_test_role;
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+DROP VARIABLE var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+SET ROLE TO DEFAULT;
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+SET ROLE TO var_test_role;
+SELECT public.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+SELECT public.var1_renamed;
+ var1_renamed 
+--------------
+         1000
+(1 row)
+
+DROP VARIABLE public.var1_renamed;
+SET ROLE TO DEFAULt;
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+CREATE VARIABLE public.var2 AS int;
+SET ROLE TO var_test_role;
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+ var2 
+------
+  100
+(1 row)
+
+SET ROLE TO DEFAULt;
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+DROP ROLE var_test_role;
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+SELECT xx, upper(xx);
+  xx   | upper 
+-------+-------
+ hello | HELLO
+(1 row)
+
+LET xx = 'Hi';
+SELECT xx;
+ xx 
+----
+ Hi
+(1 row)
+
+DROP VARIABLE xx;
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+COMMIT;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+ROLLBACK;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+DROP VARIABLE t1;
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+ v1  |  v2   
+-----+-------
+ 100 | Hello
+(1 row)
+
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+ v1 |  v2  
+----+------
+  0 | none
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+                 QUERY PLAN                 
+--------------------------------------------
+ Aggregate
+   ->  Gather
+         Workers Planned: 2
+         ->  Parallel Seq Scan on svar_test
+               Filter: ((a % 10) = zero)
+(5 rows)
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+ count 
+-------
+   100
+(1 row)
+
+LET zero = (SELECT count(*) FROM svar_test);
+-- result should be 1000
+SELECT zero;
+ zero 
+------
+ 1000
+(1 row)
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+                        QUERY PLAN                        
+----------------------------------------------------------
+ SET SESSION VARIABLE
+ Result
+   InitPlan 1 (returns $1)
+     ->  Finalize Aggregate
+           ->  Gather
+                 Workers Planned: 2
+                 ->  Partial Aggregate
+                       ->  Parallel Seq Scan on svar_test
+(8 rows)
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+ERROR:  cannot alter table "svar_test" because session variable "svartest.v_table" uses it
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- start a new session
+\c
+SET search_path to svartest;
+SELECT * FROM vv;
+ result 
+--------
+   1000
+(1 row)
+
+LET v = 3.14;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- should fail, dependency
+DROP VARIABLE v;
+ERROR:  cannot drop session variable v because other objects depend on it
+DETAIL:  view vv depends on session variable v
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v CASCADE;
+NOTICE:  drop cascades to view vv
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+LET dt = 100;
+SELECT dt;
+ dt  
+-----
+ 100
+(1 row)
+
+DISCARD VARIABLES;
+SELECT dt;
+ dt 
+----
+  0
+(1 row)
+
+DROP VARIABLE dt;
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+-- should fail
+SELECT v1;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+DETAIL:  The session variable was not initialized yet.
+SELECT v2;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+ v1  |  v2  
+-----+------
+ 100 | 1000
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+NOTICE:  session variable "tv" already exists, skipping
+DROP VARIABLE tv;
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+-- should fail;
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+-- should be ok
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+DROP VARIABLE iv;
+CREATE IMMUTABLE VARIABLE iv AS int;
+-- should be ok
+LET iv = NULL;
+-- should fail
+LET iv = NULL;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+SELECT do_test_svar;
+ do_test_svar 
+--------------
+ 01-01-2000
+(1 row)
+
+DROP VARIABLE do_test_svar;
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+ERROR:  IMMUTABLE NOT NULL variable requires default expression
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+CREATE VARIABLE xxx_var AS int;
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+    varowner    
+----------------
+ var_test_role2
+(1 row)
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     1
+(1 row)
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     0
+(1 row)
+
+-- creating, dropping temporary variable
+BEGIN;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+SAVEPOINT s1;
+DROP VARIABLE tempvar;
+ROLLBACK TO s1;
+SELECT tempvar;
+ tempvar 
+---------
+     100
+(1 row)
+
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+BEGIN;
+SAVEPOINT s1;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+ROLLBACK TO s1;
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+ var1 
+------
+  100
+(1 row)
+
+DROP VARIABLE var1;
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+    obj_description    
+-----------------------
+ some variable comment
+(1 row)
+
+DROP VARIABLE var1;
+CREATE TABLE xxtab(avar int);
+CREATE TYPE xxtype AS (avar int);
+CREATE VARIABLE xxtab AS xxtype;
+INSERT INTO xxtab VALUES(10);
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+SET session_variables_ambiguity_warning TO on;
+SELECT xxtab.avar FROM xxtab;
+WARNING:  session variable "xxtab.avar" is shadowed
+LINE 1: SELECT xxtab.avar FROM xxtab;
+               ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+ avar 
+------
+   10
+(1 row)
+
+SET search_path = svartest;
+CREATE VARIABLE testvar as int;
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar := 1000
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar := 1000
+NOTICE:  session variable is 100
+NOTICE:  plpgsql variable is 1000
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar
+NOTICE:  variable is 1000
+DROP VARIABLE testvar;
+SET session_variables_ambiguity_warning TO default;
+-- should be ok
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+CREATE VARIABLE public.avar AS int;
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+ avar 
+------
+     
+(1 row)
+
+DROP VARIABLE xxtab;
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+DROP VARIABLE public.avar;
+DROP TYPE xxtype;
+DROP TABLE xxtab;
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+SET plan_cache_mode = force_generic_plan;
+PREPARE pp AS SELECT xx;
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+CREATE VARIABLE xx AS int;
+-- should to work
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+DEALLOCATE pp;
+SET plan_cache_mode = DEFAULT;
+CREATE ROLE var_test_role;
+CREATE SCHEMA vartest;
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+LET vartest.x = 100;
+LET vartest.y = 101;
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+SET ROLE TO var_test_role;
+SELECT vartest.x, vartest.y;
+  x  |  y  
+-----+-----
+ 100 | 101
+(1 row)
+
+SET ROLE TO DEFAULT;
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT vartest.x;
+ERROR:  permission denied for session variable x
+SELECT vartest.y;
+ERROR:  permission denied for session variable y
+SET ROLE TO DEFAULT;
+DROP VARIABLE vartest.x, vartest.y;
+DROP SCHEMA vartest;
+DROP ROLE var_test_role;
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+SET plan_cache_mode to force_generic_plan;
+EXECUTE q1;
+ ?column? 
+----------
+ test5
+ test10
+(2 rows)
+
+EXPLAIN EXECUTE q1;
+                              QUERY PLAN                               
+-----------------------------------------------------------------------
+ Function Scan on generate_series g  (cost=0.00..0.14 rows=2 width=32)
+   Filter: (i = ANY (ARRAY[v2, v3]))
+(2 rows)
+
+-- dependecy check
+DROP VARIABLE v3;
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+-- should to work, the plan should be recreated
+EXECUTE q1;
+ ?column? 
+----------
+ test6
+ test10
+(2 rows)
+
+DEALLOCATE q1;
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+PREPARE q1 AS SELECT length(v1);
+EXECUTE q1;
+ length 
+--------
+  10000
+(1 row)
+
+LET v1 = repeat(' ', 5000);
+EXECUTE q1;
+ length 
+--------
+   5000
+(1 row)
+
+DEALLOCATE q1;
+SET plan_cache_mode to default;
+DROP VARIABLE v1, v2, v3;
+CREATE ROLE var_test_role;
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO default;
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO default;
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should be fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO DEFAULT;
+DROP FUNCTION public.fx_var(int);
+DROP VARIABLE public.v1;
+DROP ROLE var_test_role;
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+LET public.svar = ROW(10,20,30);
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+-- should be ok
+SELECT public.svar;
+  svar   
+---------
+ (10,20)
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+-- should be ok
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar = ROW(10,20,30);
+-- should be ok again for new value
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+LET public.svar = 100;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+ROLLBACK;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+COMMIT;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+ERROR:  missing FROM-clause entry for table "f"
+LINE 1: ...FROM pg_debug_show_used_session_variables() WHERE f.varid = ...
+                                                             ^
+BEGIN;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+LET public.svar = 100;
+ROLLBACK;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+\unset varid
+CREATE VARIABLE public.svar AS int;
+LET public.svar = 100;
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+-- the value should be still available
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+LET public.svar = (10, 20);
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar2 = (10, 20, 30);
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar  
+-------
+ (10,)
+(1 row)
+
+SELECT public.svar2;
+  svar2  
+---------
+ (10,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_type;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+CREATE VARIABLE public.svar AS public.svar_type2;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+CREATE TABLE public.svar (a int, b int);
+INSERT INTO public.svar VALUES(10, 20);
+LET public.svar = (100, 200, 300);
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+WARNING:  session variable "public.svar" is shadowed
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+DETAIL:  Session variables can be shadowed by tables or table's aliases with the same name.
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
diff --git a/src/test/regress/parallel_schedule b/src/test/regress/parallel_schedule
index 9f644a0c1b..7426b39ab3 100644
--- a/src/test/regress/parallel_schedule
+++ b/src/test/regress/parallel_schedule
@@ -119,7 +119,7 @@ test: json jsonb json_encoding jsonpath jsonpath_encoding jsonb_jsonpath
 # NB: temp.sql does a reconnect which transiently uses 2 connections,
 # so keep this parallel group to at most 19 tests
 # ----------
-test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml
+test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml session_variables
 
 # ----------
 # Another group of parallel tests
diff --git a/src/test/regress/sql/session_variables.sql b/src/test/regress/sql/session_variables.sql
new file mode 100644
index 0000000000..d32bb5b042
--- /dev/null
+++ b/src/test/regress/sql/session_variables.sql
@@ -0,0 +1,959 @@
+CREATE SCHEMA svartest;
+
+SET search_path = svartest;
+
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+
+DROP VARIABLE var1, var2;
+
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+-- should work
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should work
+LET var1 = 333;
+
+SET ROLE TO DEFAULT;
+
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+
+SELECT secure_var();
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT svartest.var1;
+
+-- should work;
+SELECT secure_var();
+
+SET ROLE TO DEFAULT;
+
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+
+CREATE VIEW schema_var_view AS SELECT var1;
+
+SELECT * FROM schema_var_view;
+
+\c -
+
+SET search_path = svartest;
+
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+
+LET var1 = pi();
+
+SELECT var1;
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+
+SELECT var1;
+
+CREATE VARIABLE var3 AS int;
+
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+
+SELECT inc(1);
+SELECT inc(1);
+SELECT inc(1);
+
+SELECT inc(1) FROM generate_series(1,10);
+
+SET ROLE TO var_test_role;
+
+-- should fail
+LET var3 = 0;
+
+SET ROLE TO DEFAULT;
+
+DROP VIEW schema_var_view;
+
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+
+-- composite variables
+
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+
+\d v1
+\d v2
+
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+
+SELECT v1;
+SELECT v2;
+SELECT (v1).*;
+SELECT (v2).*;
+
+SELECT v1.x + v1.z;
+SELECT v2.x + v2.z;
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+
+SELECT v2.x;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+
+-- should fail
+SELECT varx.xxx;
+
+-- variables can be updated under RO transaction
+
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+
+SELECT varx;
+
+DROP VARIABLE varx;
+
+CREATE TYPE t1 AS (a int, b numeric, c text);
+
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+LET v1.b = 10.2222;
+SELECT v1;
+
+-- should fail
+LET v1.x = 10;
+
+DROP VARIABLE v1;
+DROP TYPE t1;
+
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+LET va2.b[1] = 10.3;
+SELECT va2;
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+
+-- should fail due dependency
+DROP TYPE t2;
+
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+
+CREATE ROLE var_test_role;
+
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+DROP VARIABLE var_schema2.var1;
+
+SET ROLE TO DEFAULT;
+
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+
+SET ROLE TO var_test_role;
+SELECT public.var1;
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+
+SELECT public.var1_renamed;
+
+DROP VARIABLE public.var1_renamed;
+
+SET ROLE TO DEFAULt;
+
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+
+CREATE VARIABLE public.var2 AS int;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+
+SET ROLE TO DEFAULt;
+
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+
+DROP ROLE var_test_role;
+
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+
+SELECT xx, upper(xx);
+
+LET xx = 'Hi';
+
+SELECT xx;
+
+DROP VARIABLE xx;
+
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+COMMIT;
+
+SELECT t1;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+ROLLBACK;
+
+SELECT t1;
+
+DROP VARIABLE t1;
+
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+
+SELECT count(*) FROM pg_variable;
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+LET zero = (SELECT count(*) FROM svar_test);
+
+-- result should be 1000
+SELECT zero;
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+
+-- start a new session
+\c
+
+SET search_path to svartest;
+
+SELECT * FROM vv;
+LET v = 3.14;
+SELECT * FROM vv;
+
+-- should fail, dependency
+DROP VARIABLE v;
+
+-- should be ok
+DROP VARIABLE v CASCADE;
+
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+
+LET dt = 100;
+SELECT dt;
+
+DISCARD VARIABLES;
+
+SELECT dt;
+
+DROP VARIABLE dt;
+
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+
+-- should fail
+SELECT v1;
+SELECT v2;
+LET v1 = NULL;
+LET v2 = NULL;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+DROP VARIABLE tv;
+
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+
+-- should fail;
+LET iv = 10000;
+
+DROP VARIABLE iv;
+
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+-- should be ok
+SELECT iv;
+
+DROP VARIABLE iv;
+
+CREATE IMMUTABLE VARIABLE iv AS int;
+
+-- should be ok
+LET iv = NULL;
+
+-- should fail
+LET iv = NULL;
+
+DROP VARIABLE iv;
+
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+
+SELECT do_test_svar;
+
+DROP VARIABLE do_test_svar;
+
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+
+
+
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+
+CREATE VARIABLE xxx_var AS int;
+
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+-- creating, dropping temporary variable
+BEGIN;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+SAVEPOINT s1;
+
+DROP VARIABLE tempvar;
+
+ROLLBACK TO s1;
+
+SELECT tempvar;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+BEGIN;
+
+SAVEPOINT s1;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+ROLLBACK TO s1;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+
+DROP VARIABLE var1;
+
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+
+DROP VARIABLE var1;
+
+CREATE TABLE xxtab(avar int);
+
+CREATE TYPE xxtype AS (avar int);
+
+CREATE VARIABLE xxtab AS xxtype;
+
+INSERT INTO xxtab VALUES(10);
+
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+
+SET session_variables_ambiguity_warning TO on;
+
+SELECT xxtab.avar FROM xxtab;
+
+SET search_path = svartest;
+
+CREATE VARIABLE testvar as int;
+
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+
+DROP VARIABLE testvar;
+
+SET session_variables_ambiguity_warning TO default;
+
+-- should be ok
+SELECT avar FROM xxtab;
+
+CREATE VARIABLE public.avar AS int;
+
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+
+DROP VARIABLE xxtab;
+
+SELECT xxtab.avar FROM xxtab;
+
+DROP VARIABLE public.avar;
+
+DROP TYPE xxtype;
+
+DROP TABLE xxtab;
+
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+
+SET plan_cache_mode = force_generic_plan;
+
+PREPARE pp AS SELECT xx;
+
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+CREATE VARIABLE xx AS int;
+
+-- should to work
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+DEALLOCATE pp;
+
+SET plan_cache_mode = DEFAULT;
+
+CREATE ROLE var_test_role;
+
+CREATE SCHEMA vartest;
+
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+
+LET vartest.x = 100;
+LET vartest.y = 101;
+
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+SELECT vartest.x, vartest.y;
+
+SET ROLE TO DEFAULT;
+
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT vartest.x;
+SELECT vartest.y;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE vartest.x, vartest.y;
+
+DROP SCHEMA vartest;
+
+DROP ROLE var_test_role;
+
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+
+SET plan_cache_mode to force_generic_plan;
+
+EXECUTE q1;
+
+EXPLAIN EXECUTE q1;
+
+-- dependecy check
+DROP VARIABLE v3;
+
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+
+-- should to work, the plan should be recreated
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+
+PREPARE q1 AS SELECT length(v1);
+
+EXECUTE q1;
+
+LET v1 = repeat(' ', 5000);
+
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+SET plan_cache_mode to default;
+
+DROP VARIABLE v1, v2, v3;
+
+CREATE ROLE var_test_role;
+
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be fail
+SELECT public.fx_var(0);
+
+SET ROLE TO DEFAULT;
+
+DROP FUNCTION public.fx_var(int);
+
+DROP VARIABLE public.v1;
+
+DROP ROLE var_test_role;
+
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+LET public.svar = ROW(10,20,30);
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+
+-- should be ok
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+-- should be ok
+SELECT public.svar;
+
+LET public.svar = ROW(10,20,30);
+
+-- should be ok again for new value
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+DROP TYPE public.svar_test_type;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+LET public.svar = 100;
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+ROLLBACK;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+SELECT public.svar;
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+
+COMMIT;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+
+BEGIN;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+
+LET public.svar = 100;
+
+ROLLBACK;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+\unset varid
+
+CREATE VARIABLE public.svar AS int;
+
+LET public.svar = 100;
+
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+
+-- the value should be still available
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+
+LET public.svar = (10, 20);
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+LET public.svar2 = (10, 20, 30);
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+SELECT public.svar2;
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_type;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+
+CREATE VARIABLE public.svar AS public.svar_type2;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+
+CREATE TABLE public.svar (a int, b int);
+
+INSERT INTO public.svar VALUES(10, 20);
+
+LET public.svar = (100, 200, 300);
+
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
-- 
2.37.2


--gcms4zhgklsgym3k
Content-Type: text/plain; charset=us-ascii
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	filename*0=v20220906-1-0010-this-patch-changes-error-message-column-does;
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^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v20220916 10/13] regress tests for session variables
@ 2022-04-04 18:54  [email protected] <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: [email protected] @ 2022-04-04 18:54 UTC (permalink / raw)

Checks of basic functionality, check of usage session variables in subtransactions
and from PLpgSQL
---
 .../isolation/expected/session-variable.out   |   86 ++
 src/test/isolation/isolation_schedule         |    1 +
 .../isolation/specs/session-variable.spec     |   34 +
 .../regress/expected/session_variables.out    | 1287 +++++++++++++++++
 src/test/regress/parallel_schedule            |    2 +-
 src/test/regress/sql/session_variables.sql    |  959 ++++++++++++
 6 files changed, 2368 insertions(+), 1 deletion(-)
 create mode 100644 src/test/isolation/expected/session-variable.out
 create mode 100644 src/test/isolation/specs/session-variable.spec
 create mode 100644 src/test/regress/expected/session_variables.out
 create mode 100644 src/test/regress/sql/session_variables.sql

diff --git a/src/test/isolation/expected/session-variable.out b/src/test/isolation/expected/session-variable.out
new file mode 100644
index 0000000000..b0059910a1
--- /dev/null
+++ b/src/test/isolation/expected/session-variable.out
@@ -0,0 +1,86 @@
+Parsed test spec with 2 sessions
+
+starting permutation: let val drop val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+
+starting permutation: let val s1 drop val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step drop: DROP VARIABLE myvar;
+step val: SELECT myvar;
+ERROR:  column or variable "myvar" does not exist
+step sr1: ROLLBACK;
+
+starting permutation: let val dbg drop create dbg val
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name|removed
+------+----+-------
+(0 rows)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+
+starting permutation: let val s1 dbg drop create dbg val sr1
+step let: LET myvar = 'test';
+step val: SELECT myvar;
+myvar
+-----
+test 
+(1 row)
+
+step s1: BEGIN;
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step drop: DROP VARIABLE myvar;
+step create: CREATE VARIABLE myvar AS text
+step dbg: SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+schema|name |removed
+------+-----+-------
+public|myvar|f      
+(1 row)
+
+step val: SELECT myvar;
+myvar
+-----
+     
+(1 row)
+
+step sr1: ROLLBACK;
diff --git a/src/test/isolation/isolation_schedule b/src/test/isolation/isolation_schedule
index 5413a59a80..67837ef00f 100644
--- a/src/test/isolation/isolation_schedule
+++ b/src/test/isolation/isolation_schedule
@@ -108,3 +108,4 @@ test: cluster-conflict-partition
 test: truncate-conflict
 test: serializable-parallel
 test: serializable-parallel-2
+test: session-variable
diff --git a/src/test/isolation/specs/session-variable.spec b/src/test/isolation/specs/session-variable.spec
new file mode 100644
index 0000000000..fe47339110
--- /dev/null
+++ b/src/test/isolation/specs/session-variable.spec
@@ -0,0 +1,34 @@
+# Test session variables memory cleanup for sinval
+
+setup
+{
+    CREATE VARIABLE myvar AS text;
+}
+
+teardown
+{
+    DROP VARIABLE IF EXISTS myvar;
+}
+
+session s1
+step s1		{ BEGIN; }
+step let	{ LET myvar = 'test'; }
+step val	{ SELECT myvar; }
+step dbg	{ SELECT schema, name, removed FROM pg_debug_show_used_session_variables(); }
+step sr1	{ ROLLBACK; }
+
+
+session s2
+step drop		{ DROP VARIABLE myvar; }
+step create		{ CREATE VARIABLE myvar AS text }
+
+# Concurrent drop of a known variable should lead to an error
+permutation let val drop val
+# Same, but with an explicit transaction
+permutation let val s1 drop val sr1
+# Concurrent drop/create of a known variable should lead to empty variable
+permutation let val dbg drop create dbg val
+# Concurrent drop/create of a known variable should lead to empty variable
+# We need a transaction to make sure that we won't accept invalidation when
+# calling the dbg step after the concurrent drop
+permutation let val s1 dbg drop create dbg val sr1
diff --git a/src/test/regress/expected/session_variables.out b/src/test/regress/expected/session_variables.out
new file mode 100644
index 0000000000..d411f0440d
--- /dev/null
+++ b/src/test/regress/expected/session_variables.out
@@ -0,0 +1,1287 @@
+CREATE SCHEMA svartest;
+SET search_path = svartest;
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+DROP VARIABLE var1, var2;
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+SELECT var1;
+ERROR:  permission denied for session variable var1
+SET ROLE TO DEFAULT;
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+ERROR:  permission denied for session variable var1
+-- should work
+SELECT var1;
+ var1 
+------
+     
+(1 row)
+
+SET ROLE TO DEFAULT;
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should work
+LET var1 = 333;
+SET ROLE TO DEFAULT;
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should fail
+SELECT svartest.var1;
+ERROR:  permission denied for session variable var1
+-- should work;
+SELECT secure_var();
+ secure_var 
+------------
+        333
+(1 row)
+
+SET ROLE TO DEFAULT;
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+                  QUERY PLAN                   
+-----------------------------------------------
+ Function Scan on pg_catalog.generate_series g
+   Output: v
+   Function Call: generate_series(1, 100)
+   Filter: ((g.v)::numeric = var1)
+(4 rows)
+
+CREATE VIEW schema_var_view AS SELECT var1;
+SELECT * FROM schema_var_view;
+ var1 
+------
+  333
+(1 row)
+
+\c -
+SET search_path = svartest;
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+ var1 
+------
+     
+(1 row)
+
+LET var1 = pi();
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+         QUERY PLAN         
+----------------------------
+ SET SESSION VARIABLE
+ Result
+   Output: 3.14159265358979
+(3 rows)
+
+SELECT var1;
+       var1       
+------------------
+ 3.14159265358979
+(1 row)
+
+CREATE VARIABLE var3 AS int;
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+SELECT inc(1);
+ inc 
+-----
+   1
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   2
+(1 row)
+
+SELECT inc(1);
+ inc 
+-----
+   3
+(1 row)
+
+SELECT inc(1) FROM generate_series(1,10);
+ inc 
+-----
+   4
+   5
+   6
+   7
+   8
+   9
+  10
+  11
+  12
+  13
+(10 rows)
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var3 = 0;
+ERROR:  permission denied for session variable var3
+SET ROLE TO DEFAULT;
+DROP VIEW schema_var_view;
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+-- composite variables
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+\d v1
+\d v2
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+SELECT v1;
+     v1     
+------------
+ (1,2,3.14)
+(1 row)
+
+SELECT v2;
+      v2       
+---------------
+ (10,20,31.40)
+(1 row)
+
+SELECT (v1).*;
+ x | y |  z   
+---+---+------
+ 1 | 2 | 3.14
+(1 row)
+
+SELECT (v2).*;
+ x  | y  |   z   
+----+----+-------
+ 10 | 20 | 31.40
+(1 row)
+
+SELECT v1.x + v1.z;
+ ?column? 
+----------
+     4.14
+(1 row)
+
+SELECT v2.x + v2.z;
+ ?column? 
+----------
+    41.40
+(1 row)
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+SELECT v2.x;
+ERROR:  permission denied for session variable v2
+SET ROLE TO DEFAULT;
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+ relname  
+----------
+ pg_class
+(1 row)
+
+-- should fail
+SELECT varx.xxx;
+ERROR:  type text is not composite
+-- variables can be updated under RO transaction
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+SELECT varx;
+ varx  
+-------
+ hello
+(1 row)
+
+DROP VARIABLE varx;
+CREATE TYPE t1 AS (a int, b numeric, c text);
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+             v1             
+----------------------------
+ (1,3.14159265358979,hello)
+(1 row)
+
+LET v1.b = 10.2222;
+SELECT v1;
+        v1         
+-------------------
+ (1,10.2222,hello)
+(1 row)
+
+-- should fail
+LET v1.x = 10;
+ERROR:  cannot assign to field "x" of column "v1" because there is no such column in data type t1
+LINE 1: LET v1.x = 10;
+            ^
+DROP VARIABLE v1;
+DROP TYPE t1;
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+    va1     
+------------
+ {10.1,2.1}
+(1 row)
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+        va2         
+--------------------
+ (10.2,"{0.0,0.0}")
+(1 row)
+
+LET va2.b[1] = 10.3;
+SELECT va2;
+         va2         
+---------------------
+ (10.2,"{10.3,0.0}")
+(1 row)
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+        v1        
+------------------
+ 6.28318530717958
+(1 row)
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+            v2            
+--------------------------
+ (3.14159265358979,Hello)
+(1 row)
+
+-- should fail due dependency
+DROP TYPE t2;
+ERROR:  cannot drop type t2 because other objects depend on it
+DETAIL:  session variable v2 depends on type t2
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+CREATE ROLE var_test_role;
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+DROP VARIABLE var_schema2.var1;
+ERROR:  permission denied for schema var_schema2
+SET ROLE TO DEFAULT;
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+SET ROLE TO var_test_role;
+SELECT public.var1;
+ var1 
+------
+ 1000
+(1 row)
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+SELECT public.var1_renamed;
+ var1_renamed 
+--------------
+         1000
+(1 row)
+
+DROP VARIABLE public.var1_renamed;
+SET ROLE TO DEFAULt;
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+CREATE VARIABLE public.var2 AS int;
+SET ROLE TO var_test_role;
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+ var2 
+------
+  100
+(1 row)
+
+SET ROLE TO DEFAULt;
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+DROP ROLE var_test_role;
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+SELECT xx, upper(xx);
+  xx   | upper 
+-------+-------
+ hello | HELLO
+(1 row)
+
+LET xx = 'Hi';
+SELECT xx;
+ xx 
+----
+ Hi
+(1 row)
+
+DROP VARIABLE xx;
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+COMMIT;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+BEGIN;
+  SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+  LET t1 = 100;
+  SELECT t1;
+ t1  
+-----
+ 100
+(1 row)
+
+ROLLBACK;
+SELECT t1;
+ t1 
+----
+ -1
+(1 row)
+
+DROP VARIABLE t1;
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+ v1  |  v2   
+-----+-------
+ 100 | Hello
+(1 row)
+
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+ v1 |  v2  
+----+------
+  0 | none
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+SELECT count(*) FROM pg_variable;
+ count 
+-------
+     0
+(1 row)
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+                 QUERY PLAN                 
+--------------------------------------------
+ Aggregate
+   ->  Gather
+         Workers Planned: 2
+         ->  Parallel Seq Scan on svar_test
+               Filter: ((a % 10) = zero)
+(5 rows)
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+ count 
+-------
+   100
+(1 row)
+
+LET zero = (SELECT count(*) FROM svar_test);
+-- result should be 1000
+SELECT zero;
+ zero 
+------
+ 1000
+(1 row)
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+                        QUERY PLAN                        
+----------------------------------------------------------
+ SET SESSION VARIABLE
+ Result
+   InitPlan 1 (returns $1)
+     ->  Finalize Aggregate
+           ->  Gather
+                 Workers Planned: 2
+                 ->  Partial Aggregate
+                       ->  Parallel Seq Scan on svar_test
+(8 rows)
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+ERROR:  cannot alter table "svar_test" because session variable "svartest.v_table" uses it
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- start a new session
+\c
+SET search_path to svartest;
+SELECT * FROM vv;
+ result 
+--------
+   1000
+(1 row)
+
+LET v = 3.14;
+SELECT * FROM vv;
+ result  
+---------
+ 1003.14
+(1 row)
+
+-- should fail, dependency
+DROP VARIABLE v;
+ERROR:  cannot drop session variable v because other objects depend on it
+DETAIL:  view vv depends on session variable v
+HINT:  Use DROP ... CASCADE to drop the dependent objects too.
+-- should be ok
+DROP VARIABLE v CASCADE;
+NOTICE:  drop cascades to view vv
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+LET dt = 100;
+SELECT dt;
+ dt  
+-----
+ 100
+(1 row)
+
+DISCARD VARIABLES;
+SELECT dt;
+ dt 
+----
+  0
+(1 row)
+
+DROP VARIABLE dt;
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+-- should fail
+SELECT v1;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+DETAIL:  The session variable was not initialized yet.
+SELECT v2;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = NULL;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+LET v1 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v1"
+LET v2 = DEFAULT;
+ERROR:  null value is not allowed for NOT NULL session variable "svartest.v2"
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+ v1  |  v2  
+-----+------
+ 100 | 1000
+(1 row)
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+NOTICE:  session variable "tv" already exists, skipping
+DROP VARIABLE tv;
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+-- should fail;
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+-- should be ok
+SELECT iv;
+ iv  
+-----
+ 100
+(1 row)
+
+DROP VARIABLE iv;
+CREATE IMMUTABLE VARIABLE iv AS int;
+-- should be ok
+LET iv = NULL;
+-- should fail
+LET iv = NULL;
+ERROR:  session variable "svartest.iv" is declared IMMUTABLE
+DROP VARIABLE iv;
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+SELECT do_test_svar;
+ do_test_svar 
+--------------
+ 01-01-2000
+(1 row)
+
+DROP VARIABLE do_test_svar;
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+ERROR:  IMMUTABLE NOT NULL variable requires default expression
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+CREATE VARIABLE xxx_var AS int;
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+    varowner    
+----------------
+ var_test_role2
+(1 row)
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     1
+(1 row)
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+ count 
+-------
+     0
+(1 row)
+
+-- creating, dropping temporary variable
+BEGIN;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+SAVEPOINT s1;
+DROP VARIABLE tempvar;
+ROLLBACK TO s1;
+SELECT tempvar;
+ tempvar 
+---------
+     100
+(1 row)
+
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+BEGIN;
+SAVEPOINT s1;
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+LET tempvar = 100;
+ROLLBACK TO s1;
+COMMIT;
+-- should to fail
+LET tempvar = 100;
+ERROR:  session variable "tempvar" doesn't exist
+LINE 1: LET tempvar = 100;
+            ^
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+ var1 
+------
+  100
+(1 row)
+
+DROP VARIABLE var1;
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+    obj_description    
+-----------------------
+ some variable comment
+(1 row)
+
+DROP VARIABLE var1;
+CREATE TABLE xxtab(avar int);
+CREATE TYPE xxtype AS (avar int);
+CREATE VARIABLE xxtab AS xxtype;
+INSERT INTO xxtab VALUES(10);
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+SET session_variables_ambiguity_warning TO on;
+SELECT xxtab.avar FROM xxtab;
+WARNING:  session variable "xxtab.avar" is shadowed
+LINE 1: SELECT xxtab.avar FROM xxtab;
+               ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+ avar 
+------
+   10
+(1 row)
+
+SET search_path = svartest;
+CREATE VARIABLE testvar as int;
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar := 1000
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar := 1000
+NOTICE:  session variable is 100
+NOTICE:  plpgsql variable is 1000
+WARNING:  session variable "testvar" is shadowed
+LINE 1: testvar
+        ^
+DETAIL:  Session variables can be shadowed by columns, routine's variables and routine's arguments with the same name.
+QUERY:  testvar
+NOTICE:  variable is 1000
+DROP VARIABLE testvar;
+SET session_variables_ambiguity_warning TO default;
+-- should be ok
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+CREATE VARIABLE public.avar AS int;
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+ avar 
+------
+     
+(1 row)
+
+DROP VARIABLE xxtab;
+SELECT xxtab.avar FROM xxtab;
+ avar 
+------
+   10
+(1 row)
+
+DROP VARIABLE public.avar;
+DROP TYPE xxtype;
+DROP TABLE xxtab;
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+SET plan_cache_mode = force_generic_plan;
+PREPARE pp AS SELECT xx;
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+CREATE VARIABLE xx AS int;
+-- should to work
+EXECUTE pp;
+ xx 
+----
+   
+(1 row)
+
+DROP VARIABLE xx;
+DEALLOCATE pp;
+SET plan_cache_mode = DEFAULT;
+CREATE ROLE var_test_role;
+CREATE SCHEMA vartest;
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+LET vartest.x = 100;
+LET vartest.y = 101;
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+SET ROLE TO var_test_role;
+SELECT vartest.x, vartest.y;
+  x  |  y  
+-----+-----
+ 100 | 101
+(1 row)
+
+SET ROLE TO DEFAULT;
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT vartest.x;
+ERROR:  permission denied for session variable x
+SELECT vartest.y;
+ERROR:  permission denied for session variable y
+SET ROLE TO DEFAULT;
+DROP VARIABLE vartest.x, vartest.y;
+DROP SCHEMA vartest;
+DROP ROLE var_test_role;
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+SET plan_cache_mode to force_generic_plan;
+EXECUTE q1;
+ ?column? 
+----------
+ test5
+ test10
+(2 rows)
+
+EXPLAIN EXECUTE q1;
+                              QUERY PLAN                               
+-----------------------------------------------------------------------
+ Function Scan on generate_series g  (cost=0.00..0.14 rows=2 width=32)
+   Filter: (i = ANY (ARRAY[v2, v3]))
+(2 rows)
+
+-- dependecy check
+DROP VARIABLE v3;
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+-- should to work, the plan should be recreated
+EXECUTE q1;
+ ?column? 
+----------
+ test6
+ test10
+(2 rows)
+
+DEALLOCATE q1;
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+PREPARE q1 AS SELECT length(v1);
+EXECUTE q1;
+ length 
+--------
+  10000
+(1 row)
+
+LET v1 = repeat(' ', 5000);
+EXECUTE q1;
+ length 
+--------
+   5000
+(1 row)
+
+DEALLOCATE q1;
+SET plan_cache_mode to default;
+DROP VARIABLE v1, v2, v3;
+CREATE ROLE var_test_role;
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO var_test_role;
+-- should to fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO default;
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+SET ROLE TO var_test_role;
+-- should be ok
+SELECT public.fx_var(0);
+ fx_var 
+--------
+      0
+(1 row)
+
+SET ROLE TO default;
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+SET ROLE TO var_test_role;
+-- should be fail
+SELECT public.fx_var(0);
+ERROR:  permission denied for session variable v1
+CONTEXT:  PL/pgSQL function public.fx_var(integer) line 4 at assignment
+SET ROLE TO DEFAULT;
+DROP FUNCTION public.fx_var(int);
+DROP VARIABLE public.v1;
+DROP ROLE var_test_role;
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+LET public.svar = ROW(10,20,30);
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+-- should be ok
+SELECT public.svar;
+  svar   
+---------
+ (10,20)
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+-- should be ok
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar = ROW(10,20,30);
+-- should be ok again for new value
+SELECT public.svar;
+    svar    
+------------
+ (10,20,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+LET public.svar = 100;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+ROLLBACK;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+ public | svar | f
+(1 row)
+
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+BEGIN;
+DROP VARIABLE public.svar;
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+ schema | name | removed 
+--------+------+---------
+        |      | t
+(1 row)
+
+COMMIT;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+ERROR:  missing FROM-clause entry for table "f"
+LINE 1: ...FROM pg_debug_show_used_session_variables() WHERE f.varid = ...
+                                                             ^
+BEGIN;
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+LET public.svar = 100;
+ROLLBACK;
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+ schema | name | removed 
+--------+------+---------
+(0 rows)
+
+\unset varid
+CREATE VARIABLE public.svar AS int;
+LET public.svar = 100;
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+-- the value should be still available
+SELECT public.svar;
+ svar 
+------
+  100
+(1 row)
+
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar 
+------
+ 
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+CREATE TYPE public.svar_test_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+LET public.svar = (10, 20);
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+SELECT public.svar;
+   svar   
+----------
+ (10,20,)
+(1 row)
+
+LET public.svar2 = (10, 20, 30);
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+SELECT public.svar;
+ svar  
+-------
+ (10,)
+(1 row)
+
+SELECT public.svar2;
+  svar2  
+---------
+ (10,30)
+(1 row)
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+CREATE VARIABLE public.svar AS public.svar_type;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+CREATE VARIABLE public.svar AS public.svar_type2;
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+ERROR:  cannot alter type "svar_type" because session variable "public.svar" uses it
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+CREATE TABLE public.svar (a int, b int);
+INSERT INTO public.svar VALUES(10, 20);
+LET public.svar = (100, 200, 300);
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+SELECT * FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+SELECT svar.a FROM public.svar;
+ a  
+----
+ 10
+(1 row)
+
+SELECT svar.* FROM public.svar;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
+-- show variable
+SELECT public.svar;
+     svar      
+---------------
+ (100,200,300)
+(1 row)
+
+SELECT public.svar.c;
+  c  
+-----
+ 300
+(1 row)
+
+SELECT (public.svar).*;
+  a  |  b  |  c  
+-----+-----+-----
+ 100 | 200 | 300
+(1 row)
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+WARNING:  session variable "public.svar" is shadowed
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+DETAIL:  Session variables can be shadowed by tables or table's aliases with the same name.
+ERROR:  column svar.c does not exist
+LINE 1: SELECT public.svar.c FROM public.svar;
+               ^
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+  c  
+-----
+ 300
+(1 row)
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
diff --git a/src/test/regress/parallel_schedule b/src/test/regress/parallel_schedule
index 9f644a0c1b..7426b39ab3 100644
--- a/src/test/regress/parallel_schedule
+++ b/src/test/regress/parallel_schedule
@@ -119,7 +119,7 @@ test: json jsonb json_encoding jsonpath jsonpath_encoding jsonb_jsonpath
 # NB: temp.sql does a reconnect which transiently uses 2 connections,
 # so keep this parallel group to at most 19 tests
 # ----------
-test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml
+test: plancache limit plpgsql copy2 temp domain rangefuncs prepare conversion truncate alter_table sequence polymorphism rowtypes returning largeobject with xml session_variables
 
 # ----------
 # Another group of parallel tests
diff --git a/src/test/regress/sql/session_variables.sql b/src/test/regress/sql/session_variables.sql
new file mode 100644
index 0000000000..d32bb5b042
--- /dev/null
+++ b/src/test/regress/sql/session_variables.sql
@@ -0,0 +1,959 @@
+CREATE SCHEMA svartest;
+
+SET search_path = svartest;
+
+CREATE VARIABLE var1 AS integer;
+CREATE TEMP VARIABLE var2 AS text;
+
+DROP VARIABLE var1, var2;
+
+-- functional interface
+CREATE VARIABLE var1 AS numeric;
+
+CREATE ROLE var_test_role;
+GRANT USAGE ON SCHEMA svartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT SELECT ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+-- should fail
+LET var1 = 10;
+-- should work
+SELECT var1;
+
+SET ROLE TO DEFAULT;
+
+GRANT UPDATE ON VARIABLE var1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should work
+LET var1 = 333;
+
+SET ROLE TO DEFAULT;
+
+REVOKE ALL ON VARIABLE var1 FROM var_test_role;
+
+CREATE OR REPLACE FUNCTION secure_var()
+RETURNS int AS $$
+  SELECT svartest.var1::int;
+$$ LANGUAGE sql SECURITY DEFINER;
+
+SELECT secure_var();
+
+SET ROLE TO var_test_role;
+
+-- should fail
+SELECT svartest.var1;
+
+-- should work;
+SELECT secure_var();
+
+SET ROLE TO DEFAULT;
+
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM generate_series(1,100) g(v) WHERE v = var1;
+
+CREATE VIEW schema_var_view AS SELECT var1;
+
+SELECT * FROM schema_var_view;
+
+\c -
+
+SET search_path = svartest;
+
+-- should work still, but var will be empty
+SELECT * FROM schema_var_view;
+
+LET var1 = pi();
+
+SELECT var1;
+
+-- we can see execution plan of LET statement
+EXPLAIN (VERBOSE, COSTS OFF) LET var1 = pi();
+
+SELECT var1;
+
+CREATE VARIABLE var3 AS int;
+
+CREATE OR REPLACE FUNCTION inc(int)
+RETURNS int AS $$
+BEGIN
+  LET svartest.var3 = COALESCE(svartest.var3 + $1, $1);
+  RETURN var3;
+END;
+$$ LANGUAGE plpgsql;
+
+SELECT inc(1);
+SELECT inc(1);
+SELECT inc(1);
+
+SELECT inc(1) FROM generate_series(1,10);
+
+SET ROLE TO var_test_role;
+
+-- should fail
+LET var3 = 0;
+
+SET ROLE TO DEFAULT;
+
+DROP VIEW schema_var_view;
+
+DROP VARIABLE var1 CASCADE;
+DROP VARIABLE var3 CASCADE;
+
+-- composite variables
+
+CREATE TYPE sv_xyz AS (x int, y int, z numeric(10,2));
+
+CREATE VARIABLE v1 AS sv_xyz;
+CREATE VARIABLE v2 AS sv_xyz;
+
+\d v1
+\d v2
+
+LET v1 = (1,2,3.14);
+LET v2 = (10,20,3.14*10);
+
+-- should work too - there are prepared casts
+LET v1 = (1,2,3.14);
+
+SELECT v1;
+SELECT v2;
+SELECT (v1).*;
+SELECT (v2).*;
+
+SELECT v1.x + v1.z;
+SELECT v2.x + v2.z;
+
+-- access to composite fields should be safe too
+-- should fail
+SET ROLE TO var_test_role;
+
+SELECT v2.x;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+REVOKE USAGE ON SCHEMA svartest FROM var_test_role;
+DROP ROLE var_test_role;
+
+-- scalar variables should not be in conflict with qualified column
+CREATE VARIABLE varx AS text;
+SELECT varx.relname FROM pg_class varx WHERE varx.relname = 'pg_class';
+
+-- should fail
+SELECT varx.xxx;
+
+-- variables can be updated under RO transaction
+
+BEGIN;
+SET TRANSACTION READ ONLY;
+LET varx = 'hello';
+COMMIT;
+
+SELECT varx;
+
+DROP VARIABLE varx;
+
+CREATE TYPE t1 AS (a int, b numeric, c text);
+
+CREATE VARIABLE v1 AS t1;
+LET v1 = (1, pi(), 'hello');
+SELECT v1;
+LET v1.b = 10.2222;
+SELECT v1;
+
+-- should fail
+LET v1.x = 10;
+
+DROP VARIABLE v1;
+DROP TYPE t1;
+
+-- arrays are supported
+CREATE VARIABLE va1 AS numeric[];
+LET va1 = ARRAY[1.1,2.1];
+LET va1[1] = 10.1;
+SELECT va1;
+
+CREATE TYPE ta2 AS (a numeric, b numeric[]);
+CREATE VARIABLE va2 AS ta2;
+LET va2 = (10.1, ARRAY[0.0, 0.0]);
+LET va2.a = 10.2;
+SELECT va2;
+LET va2.b[1] = 10.3;
+SELECT va2;
+
+DROP VARIABLE va1;
+DROP VARIABLE va2;
+DROP TYPE ta2;
+
+-- default values
+CREATE VARIABLE v1 AS numeric DEFAULT pi();
+LET v1 = v1 * 2;
+SELECT v1;
+
+CREATE TYPE t2 AS (a numeric, b text);
+CREATE VARIABLE v2 AS t2 DEFAULT (NULL, 'Hello');
+LET svartest.v2.a = pi();
+SELECT v2;
+
+-- should fail due dependency
+DROP TYPE t2;
+
+-- should be ok
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- tests of alters
+CREATE SCHEMA var_schema1;
+CREATE SCHEMA var_schema2;
+
+CREATE VARIABLE var_schema1.var1 AS integer;
+LET var_schema1.var1 = 1000;
+SELECT var_schema1.var1;
+ALTER VARIABLE var_schema1.var1 SET SCHEMA var_schema2;
+SELECT var_schema2.var1;
+
+CREATE ROLE var_test_role;
+
+ALTER VARIABLE var_schema2.var1 OWNER TO var_test_role;
+SET ROLE TO var_test_role;
+
+-- should fail, no access to schema var_schema2.var
+SELECT var_schema2.var1;
+DROP VARIABLE var_schema2.var1;
+
+SET ROLE TO DEFAULT;
+
+ALTER VARIABLE var_schema2.var1 SET SCHEMA public;
+
+SET ROLE TO var_test_role;
+SELECT public.var1;
+
+ALTER VARIABLE public.var1 RENAME TO var1_renamed;
+
+SELECT public.var1_renamed;
+
+DROP VARIABLE public.var1_renamed;
+
+SET ROLE TO DEFAULt;
+
+-- default rights test
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON VARIABLES TO var_test_role;
+
+CREATE VARIABLE public.var2 AS int;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+LET public.var2 = 100;
+SELECT public.var2;
+
+SET ROLE TO DEFAULt;
+
+DROP VARIABLE public.var2;
+DROP OWNED BY var_test_role;
+
+DROP ROLE var_test_role;
+
+CREATE VARIABLE xx AS text DEFAULT 'hello';
+
+SELECT xx, upper(xx);
+
+LET xx = 'Hi';
+
+SELECT xx;
+
+DROP VARIABLE xx;
+
+-- ON TRANSACTION END RESET tests
+CREATE VARIABLE t1 AS int DEFAULT -1 ON TRANSACTION END RESET;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+COMMIT;
+
+SELECT t1;
+
+BEGIN;
+  SELECT t1;
+  LET t1 = 100;
+  SELECT t1;
+ROLLBACK;
+
+SELECT t1;
+
+DROP VARIABLE t1;
+
+CREATE VARIABLE v1 AS int DEFAULT 0;
+CREATE VARIABLE v2 AS text DEFAULT 'none';
+
+LET v1 = 100;
+LET v2 = 'Hello';
+SELECT v1, v2;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+-- ON COMMIT DROP tests
+-- should be 0 always
+SELECT count(*) FROM pg_variable;
+
+CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+COMMIT;
+
+SELECT count(*) FROM pg_variable;
+
+BEGIN;
+  CREATE TEMP VARIABLE g AS int ON COMMIT DROP;
+ROLLBACK;
+
+SELECT count(*) FROM pg_variable;
+
+-- Encourage use of parallel plans
+SET parallel_setup_cost = 0;
+SET parallel_tuple_cost = 0;
+SET min_parallel_table_scan_size = 0;
+SET max_parallel_workers_per_gather = 2;
+
+-- test on query with workers
+CREATE TABLE svar_test(a int);
+INSERT INTO svar_test SELECT * FROM generate_series(1,1000);
+ANALYZE svar_test;
+CREATE VARIABLE zero int;
+LET zero = 0;
+
+-- parallel workers should be used
+EXPLAIN (costs off) SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+-- result should be 100
+SELECT count(*) FROM svar_test WHERE a%10 = zero;
+
+LET zero = (SELECT count(*) FROM svar_test);
+
+-- result should be 1000
+SELECT zero;
+
+-- parallel workers should be used
+EXPLAIN (costs off) LET zero = (SELECT count(*) FROM svar_test);
+
+-- test for dependency on relation
+CREATE VARIABLE v_table AS svar_test;
+
+ALTER TABLE svar_test ALTER COLUMN a TYPE text;
+
+DROP VARIABLE v_table;
+DROP TABLE svar_test;
+DROP VARIABLE zero;
+
+RESET parallel_setup_cost;
+RESET parallel_tuple_cost;
+RESET min_parallel_table_scan_size;
+RESET max_parallel_workers_per_gather;
+
+-- use variables in prepared statements
+CREATE VARIABLE v AS numeric;
+LET v = 3.14;
+
+-- use variables in views
+CREATE VIEW vv AS SELECT COALESCE(v, 0) + 1000 AS result;
+SELECT * FROM vv;
+
+-- start a new session
+\c
+
+SET search_path to svartest;
+
+SELECT * FROM vv;
+LET v = 3.14;
+SELECT * FROM vv;
+
+-- should fail, dependency
+DROP VARIABLE v;
+
+-- should be ok
+DROP VARIABLE v CASCADE;
+
+-- other features
+CREATE VARIABLE dt AS integer DEFAULT 0;
+
+LET dt = 100;
+SELECT dt;
+
+DISCARD VARIABLES;
+
+SELECT dt;
+
+DROP VARIABLE dt;
+
+-- NOT NULL
+CREATE VARIABLE v1 AS int NOT NULL;
+CREATE VARIABLE v2 AS int NOT NULL DEFAULT NULL;
+
+-- should fail
+SELECT v1;
+SELECT v2;
+LET v1 = NULL;
+LET v2 = NULL;
+LET v1 = DEFAULT;
+LET v2 = DEFAULT;
+
+-- should be ok
+LET v1 = 100;
+LET v2 = 1000;
+SELECT v1, v2;
+
+DROP VARIABLE v1;
+DROP VARIABLE v2;
+
+CREATE VARIABLE tv AS int;
+CREATE VARIABLE IF NOT EXISTS tv AS int;
+DROP VARIABLE tv;
+
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+SELECT iv;
+
+-- should fail;
+LET iv = 10000;
+
+DROP VARIABLE iv;
+
+-- different order
+CREATE IMMUTABLE VARIABLE iv AS int DEFAULT 100;
+-- should to fail
+LET iv = 10000;
+-- should be ok
+SELECT iv;
+
+DROP VARIABLE iv;
+
+CREATE IMMUTABLE VARIABLE iv AS int;
+
+-- should be ok
+LET iv = NULL;
+
+-- should fail
+LET iv = NULL;
+
+DROP VARIABLE iv;
+
+-- create variable inside plpgsql block
+DO $$
+BEGIN
+  CREATE VARIABLE do_test_svar AS date DEFAULT '2000-01-01';
+END;
+$$;
+
+SELECT do_test_svar;
+
+DROP VARIABLE do_test_svar;
+
+-- should fail
+CREATE IMMUTABLE VARIABLE xx AS int NOT NULL;
+
+
+
+-- REASSIGN OWNED test
+CREATE ROLE var_test_role1;
+CREATE ROLE var_test_role2;
+
+CREATE VARIABLE xxx_var AS int;
+
+ALTER VARIABLE xxx_var OWNER TO var_test_role1;
+REASSIGN OWNED BY var_test_role1 to var_test_role2;
+
+SELECT varowner::regrole FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role1;
+DROP ROLE var_test_role1;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+DROP OWNED BY var_test_role2;
+DROP ROLE var_test_role2;
+SELECT count(*) FROM pg_variable WHERE varname = 'xxx_var';
+
+-- creating, dropping temporary variable
+BEGIN;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+SAVEPOINT s1;
+
+DROP VARIABLE tempvar;
+
+ROLLBACK TO s1;
+
+SELECT tempvar;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+BEGIN;
+
+SAVEPOINT s1;
+
+CREATE TEMP VARIABLE tempvar AS INT ON COMMIT DROP;
+
+LET tempvar = 100;
+
+ROLLBACK TO s1;
+
+COMMIT;
+
+-- should to fail
+LET tempvar = 100;
+
+CREATE VARIABLE var1 AS int;
+LET var1 = 100;
+BEGIN;
+DROP VARIABLE var1;
+ROLLBACK;
+SELECT var1;
+
+DROP VARIABLE var1;
+
+CREATE VARIABLE var1 AS int DEFAULT 100;
+COMMENT ON VARIABLE var1 IS 'some variable comment';
+
+SELECT pg_catalog.obj_description(oid, 'pg_variable') FROM pg_variable WHERE varname = 'var1';
+
+DROP VARIABLE var1;
+
+CREATE TABLE xxtab(avar int);
+
+CREATE TYPE xxtype AS (avar int);
+
+CREATE VARIABLE xxtab AS xxtype;
+
+INSERT INTO xxtab VALUES(10);
+
+-- it is ambiguous, but columns are preferred
+-- variable is shadowed
+SELECT xxtab.avar FROM xxtab;
+
+SET session_variables_ambiguity_warning TO on;
+
+SELECT xxtab.avar FROM xxtab;
+
+SET search_path = svartest;
+
+CREATE VARIABLE testvar as int;
+
+-- plpgsql variables are preferred against session variables
+DO $$
+<<myblock>>
+DECLARE testvar int;
+BEGIN
+  -- should be ok without warning
+  LET testvar = 100;
+  -- should be ok without warning
+  testvar := 1000;
+  -- should be ok without warning
+  RAISE NOTICE 'session variable is %', svartest.testvar;
+  -- should be ok without warning
+  RAISE NOTICE 'plpgsql variable is %', myblock.testvar;
+  -- should to print plpgsql variable with warning
+  RAISE NOTICE 'variable is %', testvar;
+END;
+$$;
+
+DROP VARIABLE testvar;
+
+SET session_variables_ambiguity_warning TO default;
+
+-- should be ok
+SELECT avar FROM xxtab;
+
+CREATE VARIABLE public.avar AS int;
+
+-- should be ok, see the table
+SELECT avar FROM xxtab;
+
+-- should be ok
+SELECT public.avar FROM xxtab;
+
+DROP VARIABLE xxtab;
+
+SELECT xxtab.avar FROM xxtab;
+
+DROP VARIABLE public.avar;
+
+DROP TYPE xxtype;
+
+DROP TABLE xxtab;
+
+-- test of plan cache invalidation
+CREATE VARIABLE xx AS int;
+
+SET plan_cache_mode = force_generic_plan;
+
+PREPARE pp AS SELECT xx;
+
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+CREATE VARIABLE xx AS int;
+
+-- should to work
+EXECUTE pp;
+
+DROP VARIABLE xx;
+
+DEALLOCATE pp;
+
+SET plan_cache_mode = DEFAULT;
+
+CREATE ROLE var_test_role;
+
+CREATE SCHEMA vartest;
+
+GRANT USAGE ON SCHEMA vartest TO var_test_role;
+
+CREATE VARIABLE vartest.x AS int;
+CREATE VARIABLE vartest.y AS int;
+
+LET vartest.x = 100;
+LET vartest.y = 101;
+
+GRANT SELECT ON ALL VARIABLES IN SCHEMA vartest TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+SELECT vartest.x, vartest.y;
+
+SET ROLE TO DEFAULT;
+
+REVOKE SELECT ON ALL VARIABLES IN SCHEMA vartest FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT vartest.x;
+SELECT vartest.y;
+
+SET ROLE TO DEFAULT;
+
+DROP VARIABLE vartest.x, vartest.y;
+
+DROP SCHEMA vartest;
+
+DROP ROLE var_test_role;
+
+-- test cached plan
+CREATE VARIABLE v1 AS text;
+CREATE VARIABLE v2 AS int;
+CREATE VARIABLE v3 AS int;
+
+LET v1 = 'test';
+LET v2 = 10;
+LET v3 = 5;
+
+PREPARE q1 AS SELECT v1 || i FROM generate_series(1, v2) g(i) WHERE i IN (v2, v3);
+
+SET plan_cache_mode to force_generic_plan;
+
+EXECUTE q1;
+
+EXPLAIN EXECUTE q1;
+
+-- dependecy check
+DROP VARIABLE v3;
+
+-- recreate v3 again
+CREATE VARIABLE v3 AS int DEFAULT 6;
+
+-- should to work, the plan should be recreated
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+-- fill v1 by long text
+LET v1 = repeat(' ', 10000);
+
+PREPARE q1 AS SELECT length(v1);
+
+EXECUTE q1;
+
+LET v1 = repeat(' ', 5000);
+
+EXECUTE q1;
+
+DEALLOCATE q1;
+
+SET plan_cache_mode to default;
+
+DROP VARIABLE v1, v2, v3;
+
+CREATE ROLE var_test_role;
+
+CREATE VARIABLE public.v1 AS int DEFAULT 0;
+
+-- check acl when variable is acessed by simple eval expr method
+CREATE OR REPLACE FUNCTION public.fx_var(int)
+RETURNS int AS $$
+DECLARE xx int;
+BEGIN
+  xx := public.v1 + $1;
+  RETURN xx;
+END;
+$$ LANGUAGE plpgsql;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO var_test_role;
+
+-- should to fail
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+GRANT SELECT ON VARIABLE public.v1 TO var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be ok
+SELECT public.fx_var(0);
+
+SET ROLE TO default;
+
+REVOKE SELECT ON VARIABLE public.v1 FROM var_test_role;
+
+SET ROLE TO var_test_role;
+
+-- should be fail
+SELECT public.fx_var(0);
+
+SET ROLE TO DEFAULT;
+
+DROP FUNCTION public.fx_var(int);
+
+DROP VARIABLE public.v1;
+
+DROP ROLE var_test_role;
+
+CREATE TYPE public.svar_test_type AS (a int, b int, c numeric);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+LET public.svar = ROW(10,20,30);
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE c;
+
+-- should be ok
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+-- should be ok
+SELECT public.svar;
+
+LET public.svar = ROW(10,20,30);
+
+-- should be ok again for new value
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+DROP TYPE public.svar_test_type;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+LET public.svar = 100;
+
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables();
+
+ROLLBACK;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+SELECT public.svar;
+
+BEGIN;
+
+DROP VARIABLE public.svar;
+
+-- value should be in memory
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;;
+
+COMMIT;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() WHERE f.varid = :varid;
+
+BEGIN;
+
+CREATE VARIABLE public.svar AS int;
+select oid as varid from pg_variable where varname = 'svar' and varnamespace = 'public'::regnamespace \gset
+
+
+LET public.svar = 100;
+
+ROLLBACK;
+
+-- the memory should be clean;
+SELECT schema, name, removed FROM pg_debug_show_used_session_variables() f WHERE f.varid = :varid;
+
+\unset varid
+
+CREATE VARIABLE public.svar AS int;
+
+LET public.svar = 100;
+
+-- repeated aborted transaction
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+BEGIN; DROP VARIABLE public.svar; ROLLBACK;
+
+-- the value should be still available
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_test_type;
+
+CREATE TYPE public.svar_test_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_test_type;
+CREATE VARIABLE public.svar2 AS public.svar_test_type;
+
+LET public.svar = (10, 20);
+
+ALTER TYPE public.svar_test_type ADD ATTRIBUTE c int;
+
+SELECT public.svar;
+
+LET public.svar2 = (10, 20, 30);
+
+ALTER TYPE public.svar_test_type DROP ATTRIBUTE b;
+
+SELECT public.svar;
+SELECT public.svar2;
+
+DROP VARIABLE public.svar;
+DROP VARIABLE public.svar2;
+DROP TYPE public.svar_test_type;
+
+-- The composite type cannot be changed when it is used
+CREATE TYPE public.svar_type AS (a int, b int);
+
+CREATE VARIABLE public.svar AS public.svar_type;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+
+CREATE TYPE public.svar_type2 AS (a int, b int, c public.svar_type);
+
+CREATE VARIABLE public.svar AS public.svar_type2;
+
+-- should to fail
+ALTER TYPE public.svar_type ALTER ATTRIBUTE b TYPE numeric;
+
+DROP VARIABLE public.svar;
+DROP TYPE public.svar_type2;
+DROP TYPE public.svar_type;
+
+-- The variable can be shadowed by table or by alias
+CREATE TYPE public.svar_type AS (a int, b int, c int);
+CREATE VARIABLE public.svar AS public.svar_type;
+
+CREATE TABLE public.svar (a int, b int);
+
+INSERT INTO public.svar VALUES(10, 20);
+
+LET public.svar = (100, 200, 300);
+
+-- should be ok
+-- show table
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+-- again with warnings
+SET session_variables_ambiguity_warning TO on;
+
+SELECT * FROM public.svar;
+SELECT svar.a FROM public.svar;
+SELECT svar.* FROM public.svar;
+
+-- show variable
+SELECT public.svar;
+SELECT public.svar.c;
+SELECT (public.svar).*;
+
+-- the variable is shadowed, raise error
+SELECT public.svar.c FROM public.svar;
+
+-- can be fixed by alias
+SELECT public.svar.c FROM public.svar x;
+
+SET session_variables_ambiguity_warning TO DEFAULT;
+
+DROP VARIABLE public.svar;
+DROP TABLE public.svar;
+DROP TYPE public.svar_type;
-- 
2.37.0


--w2in66fnadvggvsb
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename="v20220916-0011-FIXUP-regress-tests-for-session-variables.patch"



^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v29 09/11] Add support for min/max aggregates for IVM
@ 2023-05-31 11:58  Yugo Nagata <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Yugo Nagata @ 2023-05-31 11:58 UTC (permalink / raw)

Supporting min and max is more complicated than count, sum, or avg.

For an example of min, when tuples are inserted, the current min value
in the view and the min value in the inseteted tuples are compared,
then the smaller one is used as the latest min value. On the other
hand, when tuples are deleted, if the current min value in the view
equals to the min in the deleted tuples, we need re-computation the
latest min value from base tables. Otherwise, the current value in
the view remains.
---
 src/backend/commands/createas.c |  45 +++
 src/backend/commands/matview.c  | 644 +++++++++++++++++++++++++++++++-
 2 files changed, 680 insertions(+), 9 deletions(-)

diff --git a/src/backend/commands/createas.c b/src/backend/commands/createas.c
index c8aa558f2e..c40ea6b2bc 100644
--- a/src/backend/commands/createas.c
+++ b/src/backend/commands/createas.c
@@ -1312,6 +1312,51 @@ check_aggregate_supports_ivm(Oid aggfnoid)
 		case F_AVG_FLOAT8:
 		case F_AVG_INTERVAL:
 
+		/* min */
+		case F_MIN_ANYARRAY:
+		case F_MIN_INT8:
+		case F_MIN_INT4:
+		case F_MIN_INT2:
+		case F_MIN_OID:
+		case F_MIN_FLOAT4:
+		case F_MIN_FLOAT8:
+		case F_MIN_DATE:
+		case F_MIN_TIME:
+		case F_MIN_TIMETZ:
+		case F_MIN_MONEY:
+		case F_MIN_TIMESTAMP:
+		case F_MIN_TIMESTAMPTZ:
+		case F_MIN_INTERVAL:
+		case F_MIN_TEXT:
+		case F_MIN_NUMERIC:
+		case F_MIN_BPCHAR:
+		case F_MIN_TID:
+		case F_MIN_ANYENUM:
+		case F_MIN_INET:
+		case F_MIN_PG_LSN:
+
+		/* max */
+		case F_MAX_ANYARRAY:
+		case F_MAX_INT8:
+		case F_MAX_INT4:
+		case F_MAX_INT2:
+		case F_MAX_OID:
+		case F_MAX_FLOAT4:
+		case F_MAX_FLOAT8:
+		case F_MAX_DATE:
+		case F_MAX_TIME:
+		case F_MAX_TIMETZ:
+		case F_MAX_MONEY:
+		case F_MAX_TIMESTAMP:
+		case F_MAX_TIMESTAMPTZ:
+		case F_MAX_INTERVAL:
+		case F_MAX_TEXT:
+		case F_MAX_NUMERIC:
+		case F_MAX_BPCHAR:
+		case F_MAX_TID:
+		case F_MAX_ANYENUM:
+		case F_MAX_INET:
+		case F_MAX_PG_LSN:
 			return true;
 
 		default:
diff --git a/src/backend/commands/matview.c b/src/backend/commands/matview.c
index ee41f0007d..eff512d40c 100644
--- a/src/backend/commands/matview.c
+++ b/src/backend/commands/matview.c
@@ -73,6 +73,34 @@ typedef struct
 
 #define MV_INIT_QUERYHASHSIZE	16
 
+/* MV query type codes */
+#define MV_PLAN_RECALC			1
+#define MV_PLAN_SET_VALUE		2
+
+/*
+ * MI_QueryKey
+ *
+ * The key identifying a prepared SPI plan in our query hashtable
+ */
+typedef struct MV_QueryKey
+{
+	Oid			matview_id;	/* OID of materialized view */
+	int32		query_type;	/* query type ID, see MV_PLAN_XXX above */
+} MV_QueryKey;
+
+/*
+ * MV_QueryHashEntry
+ *
+ * Hash entry for cached plans used to maintain materialized views.
+ */
+typedef struct MV_QueryHashEntry
+{
+	MV_QueryKey key;
+	SPIPlanPtr	plan;
+	SearchPathMatcher *search_path;        /* search_path used for parsing
+											 * and planning */
+} MV_QueryHashEntry;
+
 /*
  * MV_TriggerHashEntry
  *
@@ -109,6 +137,7 @@ typedef struct MV_TriggerTable
 	TupleTableSlot *slot;		/* for checking visibility in the pre-state table */
 } MV_TriggerTable;
 
+static HTAB *mv_query_cache = NULL;
 static HTAB *mv_trigger_info = NULL;
 
 static bool in_delta_calculation = false;
@@ -169,6 +198,9 @@ static void append_set_clause_for_sum(const char *resname, StringInfo buf_old,
 static void append_set_clause_for_avg(const char *resname, StringInfo buf_old,
 						  StringInfo buf_new, StringInfo aggs_list,
 						  const char *aggtype);
+static void append_set_clause_for_minmax(const char *resname, StringInfo buf_old,
+							 StringInfo buf_new, StringInfo aggs_list,
+							 bool is_min);
 static char *get_operation_string(IvmOp op, const char *col, const char *arg1, const char *arg2,
 					 const char* count_col, const char *castType);
 static char *get_null_condition_string(IvmOp op, const char *arg1, const char *arg2,
@@ -177,17 +209,30 @@ static void apply_old_delta(const char *matviewname, const char *deltaname_old,
 				List *keys);
 static void apply_old_delta_with_count(const char *matviewname, const char *deltaname_old,
 				List *keys, StringInfo aggs_list, StringInfo aggs_set,
-				const char *count_colname);
+				List *minmax_list, List *is_min_list,
+				const char *count_colname,
+				SPITupleTable **tuptable_recalc, uint64 *num_recalc);
 static void apply_new_delta(const char *matviewname, const char *deltaname_new,
 				StringInfo target_list);
 static void apply_new_delta_with_count(const char *matviewname, const char* deltaname_new,
 				List *keys, StringInfo target_list, StringInfo aggs_set,
 				const char* count_colname);
 static char *get_matching_condition_string(List *keys);
+static char *get_returning_string(List *minmax_list, List *is_min_list, List *keys);
+static char *get_minmax_recalc_condition_string(List *minmax_list, List *is_min_list);
+static char *get_select_for_recalc_string(List *keys);
+static void recalc_and_set_values(SPITupleTable *tuptable_recalc, int64 num_tuples,
+					  List *namelist, List *keys, Relation matviewRel);
+static SPIPlanPtr get_plan_for_recalc(Oid matviewOid, List *namelist, List *keys, Oid *keyTypes);
+static SPIPlanPtr get_plan_for_set_values(Oid matviewOid, char *matviewname, List *namelist,
+						Oid *valTypes);
 static void generate_equal(StringInfo querybuf, Oid opttype,
 			   const char *leftop, const char *rightop);
 
 static void mv_InitHashTables(void);
+static SPIPlanPtr mv_FetchPreparedPlan(MV_QueryKey *key);
+static void mv_HashPreparedPlan(MV_QueryKey *key, SPIPlanPtr plan);
+static void mv_BuildQueryKey(MV_QueryKey *key, Oid matview_id, int32 query_type);
 static void clean_up_IVM_hash_entry(MV_TriggerHashEntry *entry, bool is_abort);
 
 /*
@@ -2101,6 +2146,8 @@ apply_delta(Oid matviewOid, Tuplestorestate *old_tuplestores, Tuplestorestate *n
 	ListCell	*lc;
 	int			i;
 	List	   *keys = NIL;
+	List	   *minmax_list = NIL;
+	List	   *is_min_list = NIL;
 
 
 	/*
@@ -2182,6 +2229,17 @@ apply_delta(Oid matviewOid, Tuplestorestate *old_tuplestores, Tuplestorestate *n
 				append_set_clause_for_avg(resname, aggs_set_old, aggs_set_new, aggs_list_buf,
 										  format_type_be(aggref->aggtype));
 
+			/* min/max */
+			else if (!strcmp(aggname, "min") || !strcmp(aggname, "max"))
+			{
+				bool	is_min = (!strcmp(aggname, "min"));
+
+				append_set_clause_for_minmax(resname, aggs_set_old, aggs_set_new, aggs_list_buf, is_min);
+
+				/* make a resname list of min and max aggregates */
+				minmax_list = lappend(minmax_list, resname);
+				is_min_list = lappend_int(is_min_list, is_min);
+			}
 			else
 				elog(ERROR, "unsupported aggregate function: %s", aggname);
 		}
@@ -2211,6 +2269,8 @@ apply_delta(Oid matviewOid, Tuplestorestate *old_tuplestores, Tuplestorestate *n
 	if (old_tuplestores && tuplestore_tuple_count(old_tuplestores) > 0)
 	{
 		EphemeralNamedRelation enr = palloc(sizeof(EphemeralNamedRelationData));
+		SPITupleTable  *tuptable_recalc = NULL;
+		uint64			num_recalc;
 		int				rc;
 
 		/* convert tuplestores to ENR, and register for SPI */
@@ -2229,10 +2289,18 @@ apply_delta(Oid matviewOid, Tuplestorestate *old_tuplestores, Tuplestorestate *n
 			/* apply old delta and get rows to be recalculated */
 			apply_old_delta_with_count(matviewname, OLD_DELTA_ENRNAME,
 									   keys, aggs_list_buf, aggs_set_old,
-									   count_colname);
+									   minmax_list, is_min_list,
+									   count_colname, &tuptable_recalc, &num_recalc);
 		else
 			apply_old_delta(matviewname, OLD_DELTA_ENRNAME, keys);
 
+		/*
+		 * If we have min or max, we might have to recalculate aggregate values from base tables
+		 * on some tuples. TIDs and keys such tuples are returned as a result of the above query.
+		 */
+		if (minmax_list && tuptable_recalc)
+			recalc_and_set_values(tuptable_recalc, num_recalc, minmax_list, keys, matviewRel);
+
 	}
 	/* For tuple insertion */
 	if (new_tuplestores && tuplestore_tuple_count(new_tuplestores) > 0)
@@ -2424,6 +2492,70 @@ append_set_clause_for_avg(const char *resname, StringInfo buf_old,
 	);
 }
 
+/*
+ * append_set_clause_for_minmax
+ *
+ * Append SET clause string for min or max aggregation to given buffers.
+ * Also, append resnames required for calculating the aggregate value.
+ * is_min is true if this is min, false if not.
+ */
+static void
+append_set_clause_for_minmax(const char *resname, StringInfo buf_old,
+							 StringInfo buf_new, StringInfo aggs_list,
+							 bool is_min)
+{
+	char *count_col = IVM_colname("count", resname);
+
+	/* For tuple deletion */
+	if (buf_old)
+	{
+		/*
+		 * If the new value doesn't became NULL then use the value remaining
+		 * in the view although this will be recomputated afterwords.
+		 */
+		appendStringInfo(buf_old,
+			", %s = CASE WHEN %s THEN NULL ELSE %s END",
+			quote_qualified_identifier(NULL, resname),
+			get_null_condition_string(IVM_SUB, "mv", "t", count_col),
+			quote_qualified_identifier("mv", resname)
+		);
+		/* count = mv.count - t.count */
+		appendStringInfo(buf_old,
+			", %s = %s",
+			quote_qualified_identifier(NULL, count_col),
+			get_operation_string(IVM_SUB, count_col, "mv", "t", NULL, NULL)
+		);
+	}
+	/* For tuple insertion */
+	if (buf_new)
+	{
+		/*
+		 * min = LEAST(mv.min, diff.min)
+		 * max = GREATEST(mv.max, diff.max)
+		 */
+		appendStringInfo(buf_new,
+			", %s = CASE WHEN %s THEN NULL ELSE %s(%s,%s) END",
+			quote_qualified_identifier(NULL, resname),
+			get_null_condition_string(IVM_ADD, "mv", "diff", count_col),
+
+			is_min ? "LEAST" : "GREATEST",
+			quote_qualified_identifier("mv", resname),
+			quote_qualified_identifier("diff", resname)
+		);
+		/* count = mv.count + diff.count */
+		appendStringInfo(buf_new,
+			", %s = %s",
+			quote_qualified_identifier(NULL, count_col),
+			get_operation_string(IVM_ADD, count_col, "mv", "diff", NULL, NULL)
+		);
+	}
+
+	appendStringInfo(aggs_list, ", %s, %s",
+		quote_qualified_identifier("diff", resname),
+		quote_qualified_identifier("diff", IVM_colname("count", resname))
+	);
+}
+
 /*
  * get_operation_string
  *
@@ -2526,19 +2658,44 @@ get_null_condition_string(IvmOp op, const char *arg1, const char *arg2,
  * list to identify a tuple in the view. If the view has aggregates, this
  * requires strings representing resnames of aggregates and SET clause for
  * updating aggregate values.
+ *
+ * If the view has min or max aggregate, this requires a list of resnames of
+ * min/max aggregates and a list of boolean which represents which entries in
+ * minmax_list is min. These are necessary to check if we need to recalculate
+ * min or max aggregate values. In this case, this query returns TID and keys
+ * of tuples which need to be recalculated.  This result and the number of rows
+ * are stored in tuptables and num_recalc repectedly.
+ *
  */
 static void
 apply_old_delta_with_count(const char *matviewname, const char *deltaname_old,
 				List *keys, StringInfo aggs_list, StringInfo aggs_set,
-				const char *count_colname)
+				List *minmax_list, List *is_min_list,
+				const char *count_colname,
+				SPITupleTable **tuptable_recalc, uint64 *num_recalc)
 {
 	StringInfoData	querybuf;
 	char   *match_cond;
+	char   *updt_returning = "";
+	char   *select_for_recalc = "SELECT";
 	bool	agg_without_groupby = (list_length(keys) == 0);
 
+	Assert(tuptable_recalc != NULL);
+	Assert(num_recalc != NULL);
+
 	/* build WHERE condition for searching tuples to be deleted */
 	match_cond = get_matching_condition_string(keys);
 
+	/*
+	 * We need a special RETURNING clause and SELECT statement for min/max to
+	 * check which tuple needs re-calculation from base tables.
+	 */
+	if (minmax_list)
+	{
+		updt_returning = get_returning_string(minmax_list, is_min_list, keys);
+		select_for_recalc = get_select_for_recalc_string(keys);
+	}
+
 	/* Search for matching tuples from the view and update or delete if found. */
 	initStringInfo(&querybuf);
 	appendStringInfo(&querybuf,
@@ -2553,10 +2710,11 @@ apply_old_delta_with_count(const char *matviewname, const char *deltaname_old,
 						"UPDATE %s AS mv SET %s = mv.%s OPERATOR(pg_catalog.-) t.%s "
 											"%s"	/* SET clauses for aggregates */
 						"FROM t WHERE mv.ctid OPERATOR(pg_catalog.=) t.ctid AND NOT for_dlt "
-					")"
-					/* delete a tuple if this is to be deleted */
-					"DELETE FROM %s AS mv USING t "
-					"WHERE mv.ctid OPERATOR(pg_catalog.=) t.ctid AND for_dlt",
+						"%s"						/* RETURNING clause for recalc infomation */
+					"), dlt AS ("			/* delete a tuple if this is to be deleted */
+						"DELETE FROM %s AS mv USING t "
+						"WHERE mv.ctid OPERATOR(pg_catalog.=) t.ctid AND for_dlt"
+					") %s",							/* SELECT returning which tuples need to be recalculated */
 					count_colname,
 					count_colname, count_colname, (agg_without_groupby ? "false" : "true"),
 					(aggs_list != NULL ? aggs_list->data : ""),
@@ -2564,10 +2722,25 @@ apply_old_delta_with_count(const char *matviewname, const char *deltaname_old,
 					match_cond,
 					matviewname, count_colname, count_colname, count_colname,
 					(aggs_set != NULL ? aggs_set->data : ""),
-					matviewname);
+					updt_returning,
+					matviewname,
+					select_for_recalc);
 
-	if (SPI_exec(querybuf.data, 0) != SPI_OK_DELETE)
+	if (SPI_exec(querybuf.data, 0) != SPI_OK_SELECT)
 		elog(ERROR, "SPI_exec failed: %s", querybuf.data);
+
+
+	/* Return tuples to be recalculated. */
+	if (minmax_list)
+	{
+		*tuptable_recalc = SPI_tuptable;
+		*num_recalc = SPI_processed;
+	}
+	else
+	{
+		*tuptable_recalc = NULL;
+		*num_recalc = 0;
+	}
 }
 
 /*
@@ -2750,6 +2923,349 @@ get_matching_condition_string(List *keys)
 	return match_cond.data;
 }
 
+/*
+ * get_returning_string
+ *
+ * Build a string for RETURNING clause of UPDATE used in apply_old_delta_with_count.
+ * This clause returns ctid and a boolean value that indicates if we need to
+ * recalculate min or max value, for each updated row.
+ */
+static char *
+get_returning_string(List *minmax_list, List *is_min_list, List *keys)
+{
+	StringInfoData returning;
+	char		*recalc_cond;
+	ListCell	*lc;
+
+	Assert(minmax_list != NIL && is_min_list != NIL);
+	recalc_cond = get_minmax_recalc_condition_string(minmax_list, is_min_list);
+
+	initStringInfo(&returning);
+
+	appendStringInfo(&returning, "RETURNING mv.ctid AS tid, (%s) AS recalc", recalc_cond);
+	foreach (lc, keys)
+	{
+		Form_pg_attribute attr = (Form_pg_attribute) lfirst(lc);
+		char *resname = NameStr(attr->attname);
+		appendStringInfo(&returning, ", %s", quote_qualified_identifier("mv", resname));
+	}
+
+	return returning.data;
+}
+
+/*
+ * get_minmax_recalc_condition_string
+ *
+ * Build a predicate string for checking if any min/max aggregate
+ * value needs to be recalculated.
+ */
+static char *
+get_minmax_recalc_condition_string(List *minmax_list, List *is_min_list)
+{
+	StringInfoData recalc_cond;
+	ListCell	*lc1, *lc2;
+
+	initStringInfo(&recalc_cond);
+
+	Assert (list_length(minmax_list) == list_length(is_min_list));
+
+	forboth (lc1, minmax_list, lc2, is_min_list)
+	{
+		char   *resname = (char *) lfirst(lc1);
+		bool	is_min = (bool) lfirst_int(lc2);
+		char   *op_str = (is_min ? ">=" : "<=");
+
+		appendStringInfo(&recalc_cond, "%s OPERATOR(pg_catalog.%s) %s",
+			quote_qualified_identifier("mv", resname),
+			op_str,
+			quote_qualified_identifier("t", resname)
+		);
+
+		if (lnext(minmax_list, lc1))
+			appendStringInfo(&recalc_cond, " OR ");
+	}
+
+	return recalc_cond.data;
+}
+
+/*
+ * get_select_for_recalc_string
+ *
+ * Build a query to return tid and keys of tuples which need
+ * recalculation. This is used as the result of the query
+ * built by apply_old_delta.
+ */
+static char *
+get_select_for_recalc_string(List *keys)
+{
+	StringInfoData qry;
+	ListCell	*lc;
+
+	initStringInfo(&qry);
+
+	appendStringInfo(&qry, "SELECT tid");
+	foreach (lc, keys)
+	{
+		Form_pg_attribute attr = (Form_pg_attribute) lfirst(lc);
+		appendStringInfo(&qry, ", %s", NameStr(attr->attname));
+	}
+
+	appendStringInfo(&qry, " FROM updt WHERE recalc");
+
+	return qry.data;
+}
+
+/*
+ * recalc_and_set_values
+ *
+ * Recalculate tuples in a materialized from base tables and update these.
+ * The tuples which needs recalculation are specified by keys, and resnames
+ * of columns to be updated are specified by namelist. TIDs and key values
+ * are given by tuples in tuptable_recalc. Its first attribute must be TID
+ * and key values must be following this.
+ */
+static void
+recalc_and_set_values(SPITupleTable *tuptable_recalc, int64 num_tuples,
+					  List *namelist, List *keys, Relation matviewRel)
+{
+	TupleDesc   tupdesc_recalc = tuptable_recalc->tupdesc;
+	Oid		   *keyTypes = NULL, *types = NULL;
+	char	   *keyNulls = NULL, *nulls = NULL;
+	Datum	   *keyVals = NULL, *vals = NULL;
+	int			num_vals = list_length(namelist);
+	int			num_keys = list_length(keys);
+	uint64      i;
+	Oid			matviewOid;
+	char	   *matviewname;
+
+	matviewOid = RelationGetRelid(matviewRel);
+	matviewname = quote_qualified_identifier(get_namespace_name(RelationGetNamespace(matviewRel)),
+											 RelationGetRelationName(matviewRel));
+
+	/* If we have keys, initialize arrays for them. */
+	if (keys)
+	{
+		keyTypes = palloc(sizeof(Oid) * num_keys);
+		keyNulls = palloc(sizeof(char) * num_keys);
+		keyVals = palloc(sizeof(Datum) * num_keys);
+		/* a tuple contains keys to be recalculated and ctid to be updated*/
+		Assert(tupdesc_recalc->natts == num_keys + 1);
+
+		/* Types of key attributes  */
+		for (i = 0; i < num_keys; i++)
+			keyTypes[i] = TupleDescAttr(tupdesc_recalc, i + 1)->atttypid;
+	}
+
+	/* allocate memory for all attribute names and tid */
+	types = palloc(sizeof(Oid) * (num_vals + 1));
+	nulls = palloc(sizeof(char) * (num_vals + 1));
+	vals = palloc(sizeof(Datum) * (num_vals + 1));
+
+	/* For each tuple which needs recalculation */
+	for (i = 0; i < num_tuples; i++)
+	{
+		int j;
+		bool isnull;
+		SPIPlanPtr plan;
+		SPITupleTable *tuptable_newvals;
+		TupleDesc   tupdesc_newvals;
+
+		/* Set group key values as parameters if needed. */
+		if (keys)
+		{
+			for (j = 0; j < num_keys; j++)
+			{
+				keyVals[j] = SPI_getbinval(tuptable_recalc->vals[i], tupdesc_recalc, j + 2, &isnull);
+				if (isnull)
+					keyNulls[j] = 'n';
+				else
+					keyNulls[j] = ' ';
+			}
+		}
+
+		/*
+		 * Get recalculated values from base tables. The result must be
+		 * only one tuple thich contains the new values for specified keys.
+		 */
+		plan = get_plan_for_recalc(matviewOid, namelist, keys, keyTypes);
+		if (SPI_execute_plan(plan, keyVals, keyNulls, false, 0) != SPI_OK_SELECT)
+			elog(ERROR, "SPI_execute_plan");
+		if (SPI_processed != 1)
+			elog(ERROR, "SPI_execute_plan returned zero or more than one rows");
+
+		tuptable_newvals = SPI_tuptable;
+		tupdesc_newvals = tuptable_newvals->tupdesc;
+
+		Assert(tupdesc_newvals->natts == num_vals);
+
+		/* Set the new values as parameters */
+		for (j = 0; j < tupdesc_newvals->natts; j++)
+		{
+			if (i == 0)
+				types[j] = TupleDescAttr(tupdesc_newvals, j)->atttypid;
+
+			vals[j] = SPI_getbinval(tuptable_newvals->vals[0], tupdesc_newvals, j + 1, &isnull);
+			if (isnull)
+				nulls[j] = 'n';
+			else
+				nulls[j] = ' ';
+		}
+		/* Set TID of the view tuple to be updated as a parameter */
+		types[j] = TIDOID;
+		vals[j] = SPI_getbinval(tuptable_recalc->vals[i], tupdesc_recalc, 1, &isnull);
+		nulls[j] = ' ';
+
+		/* Update the view tuple to the new values */
+		plan = get_plan_for_set_values(matviewOid, matviewname, namelist, types);
+		if (SPI_execute_plan(plan, vals, nulls, false, 0) != SPI_OK_UPDATE)
+			elog(ERROR, "SPI_execute_plan");
+	}
+}
+
+
+/*
+ * get_plan_for_recalc
+ *
+ * Create or fetch a plan for recalculating value in the view's target list
+ * from base tables using the definition query of materialized view specified
+ * by matviewOid. namelist is a list of resnames of values to be recalculated.
+ *
+ * keys is a list of keys to identify tuples to be recalculated if this is not
+ * empty. KeyTypes is an array of types of keys.
+ */
+static SPIPlanPtr
+get_plan_for_recalc(Oid matviewOid, List *namelist, List *keys, Oid *keyTypes)
+{
+	MV_QueryKey hash_key;
+	SPIPlanPtr	plan;
+
+	/* Fetch or prepare a saved plan for the recalculation */
+	mv_BuildQueryKey(&hash_key, matviewOid, MV_PLAN_RECALC);
+	if ((plan = mv_FetchPreparedPlan(&hash_key)) == NULL)
+	{
+		ListCell	   *lc;
+		StringInfoData	str;
+		char   *viewdef;
+
+		/* get view definition of matview */
+		viewdef = text_to_cstring((text *) DatumGetPointer(
+					DirectFunctionCall1(pg_get_viewdef, ObjectIdGetDatum(matviewOid))));
+		/* get rid of trailing semi-colon */
+		viewdef[strlen(viewdef)-1] = '\0';
+
+		/*
+		 * Build a query string for recalculating values. This is like
+		 *
+		 *  SELECT x1, x2, x3, ... FROM ( ... view definition query ...) mv
+		 *   WHERE (key1, key2, ...) = ($1, $2, ...);
+		 */
+
+		initStringInfo(&str);
+		appendStringInfo(&str, "SELECT ");
+		foreach (lc, namelist)
+		{
+			appendStringInfo(&str, "%s", (char *) lfirst(lc));
+			if (lnext(namelist, lc))
+				appendStringInfoString(&str, ", ");
+		}
+		appendStringInfo(&str, " FROM (%s) mv", viewdef);
+
+		if (keys)
+		{
+			int		i = 1;
+			char	paramname[16];
+
+			appendStringInfo(&str, " WHERE (");
+			foreach (lc, keys)
+			{
+				Form_pg_attribute attr = (Form_pg_attribute) lfirst(lc);
+				char   *resname = NameStr(attr->attname);
+				Oid		typid = attr->atttypid;
+
+				sprintf(paramname, "$%d", i);
+				appendStringInfo(&str, "(");
+				generate_equal(&str, typid, resname, paramname);
+				appendStringInfo(&str, " OR (%s IS NULL AND %s IS NULL))",
+								 resname, paramname);
+
+				if (lnext(keys, lc))
+					appendStringInfoString(&str, " AND ");
+				i++;
+			}
+			appendStringInfo(&str, ")");
+		}
+		else
+			keyTypes = NULL;
+
+		plan = SPI_prepare(str.data, list_length(keys), keyTypes);
+		if (plan == NULL)
+			elog(ERROR, "SPI_prepare returned %s for %s", SPI_result_code_string(SPI_result), str.data);
+
+		SPI_keepplan(plan);
+		mv_HashPreparedPlan(&hash_key, plan);
+	}
+
+	return plan;
+}
+
+/*
+ * get_plan_for_set_values
+ *
+ * Create or fetch a plan for applying new values calculated by
+ * get_plan_for_recalc to a materialized view specified by matviewOid.
+ * matviewname is the name of the view.  namelist is a list of resnames
+ * of attributes to be updated, and valTypes is an array of types of the
+ * values.
+ */
+static SPIPlanPtr
+get_plan_for_set_values(Oid matviewOid, char *matviewname, List *namelist,
+						Oid *valTypes)
+{
+	MV_QueryKey	key;
+	SPIPlanPtr	plan;
+
+	/* Fetch or prepare a saved plan for the real check */
+	mv_BuildQueryKey(&key, matviewOid, MV_PLAN_SET_VALUE);
+	if ((plan = mv_FetchPreparedPlan(&key)) == NULL)
+	{
+		ListCell	  *lc;
+		StringInfoData str;
+		int		i;
+
+		/*
+		 * Build a query string for applying min/max values. This is like
+		 *
+		 *  UPDATE matviewname AS mv
+		 *   SET (x1, x2, x3, x4) = ($1, $2, $3, $4)
+		 *   WHERE ctid = $5;
+		 */
+
+		initStringInfo(&str);
+		appendStringInfo(&str, "UPDATE %s AS mv SET (", matviewname);
+		foreach (lc, namelist)
+		{
+			appendStringInfo(&str, "%s", (char *) lfirst(lc));
+			if (lnext(namelist, lc))
+				appendStringInfoString(&str, ", ");
+		}
+		appendStringInfo(&str, ") = ROW(");
+
+		for (i = 1; i <= list_length(namelist); i++)
+			appendStringInfo(&str, "%s$%d", (i==1 ? "" : ", "), i);
+
+		appendStringInfo(&str, ") WHERE ctid OPERATOR(pg_catalog.=) $%d", i);
+
+		plan = SPI_prepare(str.data, list_length(namelist) + 1, valTypes);
+		if (plan == NULL)
+			elog(ERROR, "SPI_prepare returned %s for %s", SPI_result_code_string(SPI_result), str.data);
+
+		SPI_keepplan(plan);
+		mv_HashPreparedPlan(&key, plan);
+	}
+
+	return plan;
+}
+
 /*
  * generate_equals
  *
@@ -2783,6 +3299,13 @@ mv_InitHashTables(void)
 {
 	HASHCTL		ctl;
 
+	memset(&ctl, 0, sizeof(ctl));
+	ctl.keysize = sizeof(MV_QueryKey);
+	ctl.entrysize = sizeof(MV_QueryHashEntry);
+	mv_query_cache = hash_create("MV query cache",
+								 MV_INIT_QUERYHASHSIZE,
+								 &ctl, HASH_ELEM | HASH_BLOBS);
+
 	memset(&ctl, 0, sizeof(ctl));
 	ctl.keysize = sizeof(Oid);
 	ctl.entrysize = sizeof(MV_TriggerHashEntry);
@@ -2791,6 +3314,109 @@ mv_InitHashTables(void)
 								 &ctl, HASH_ELEM | HASH_BLOBS);
 }
 
+/*
+ * mv_FetchPreparedPlan
+ */
+static SPIPlanPtr
+mv_FetchPreparedPlan(MV_QueryKey *key)
+{
+	MV_QueryHashEntry *entry;
+	SPIPlanPtr	plan;
+
+	/*
+	 * On the first call initialize the hashtable
+	 */
+	if (!mv_query_cache)
+		mv_InitHashTables();
+
+	/*
+	 * Lookup for the key
+	 */
+	entry = (MV_QueryHashEntry *) hash_search(mv_query_cache,
+											  (void *) key,
+											  HASH_FIND, NULL);
+	if (entry == NULL)
+		return NULL;
+
+	/*
+	 * Check whether the plan is still valid.  If it isn't, we don't want to
+	 * simply rely on plancache.c to regenerate it; rather we should start
+	 * from scratch and rebuild the query text too.  This is to cover cases
+	 * such as table/column renames.  We depend on the plancache machinery to
+	 * detect possible invalidations, though.
+	 *
+	 * CAUTION: this check is only trustworthy if the caller has already
+	 * locked both materialized views and base tables.
+	 *
+	 * Also, check whether the search_path is still the same as when we made it.
+	 * If it isn't, we need to rebuild the query text because the result of
+	 * pg_ivm_get_viewdef() will change.
+	 */
+	plan = entry->plan;
+	if (plan && SPI_plan_is_valid(plan) &&
+		SearchPathMatchesCurrentEnvironment(entry->search_path))
+		return plan;
+
+	/*
+	 * Otherwise we might as well flush the cached plan now, to free a little
+	 * memory space before we make a new one.
+	 */
+	if (plan)
+		SPI_freeplan(plan);
+	if (entry->search_path)
+		pfree(entry->search_path);
+
+	entry->plan = NULL;
+	entry->search_path = NULL;
+
+	return NULL;
+}
+
+/*
+ * mv_HashPreparedPlan
+ *
+ * Add another plan to our private SPI query plan hashtable.
+ */
+static void
+mv_HashPreparedPlan(MV_QueryKey *key, SPIPlanPtr plan)
+{
+	MV_QueryHashEntry *entry;
+	bool		found;
+
+	/*
+	 * On the first call initialize the hashtable
+	 */
+	if (!mv_query_cache)
+		mv_InitHashTables();
+
+	/*
+	 * Add the new plan.  We might be overwriting an entry previously found
+	 * invalid by mv_FetchPreparedPlan.
+	 */
+	entry = (MV_QueryHashEntry *) hash_search(mv_query_cache,
+											  (void *) key,
+											  HASH_ENTER, &found);
+	Assert(!found || entry->plan == NULL);
+	entry->plan = plan;
+	entry->search_path = GetSearchPathMatcher(TopMemoryContext);
+}
+
+/*
+ * mv_BuildQueryKey
+ *
+ * Construct a hashtable key for a prepared SPI plan for IVM.
+ */
+static void
+mv_BuildQueryKey(MV_QueryKey *key, Oid matview_id, int32 query_type)
+{
+	/*
+	 * We assume struct MV_QueryKey contains no padding bytes, else we'd need
+	 * to use memset to clear them.
+	 */
+	key->matview_id = matview_id;
+	key->query_type = query_type;
+}
+
 /*
  * AtAbort_IVM
  *
-- 
2.25.1


--Multipart=_Mon__28_Aug_2023_16_05_30_+0900_b1OvQD_3A3ZMTGvj
Content-Type: text/x-diff;
 name="v29-0010-Add-regression-tests-for-Incremental-View-Mainte.patch"
Content-Disposition: attachment;
 filename="v29-0010-Add-regression-tests-for-Incremental-View-Mainte.patch"
Content-Transfer-Encoding: 7bit



^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 707f83d4310..249f4518f62 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 855529509de..f4df55370e7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8673,9 +8670,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--GzYugJnip6WHHvTk--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 71bd2aaf3d9..d7a6493dd19 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--iWwo79nqhOvOs5kf--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index e60478677e0..bfa5ef7910b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index df43469be3d..7cccfe6d7a7 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4003,9 +4003,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8640,9 +8637,10 @@
   proallargtypes => '{text,text,interval,bool}', proargmodes => '{o,o,o,o}',
   proargnames => '{name,abbrev,utc_offset,is_dst}',
   prosrc => 'pg_timezone_names' },
-{ oid => '2730', descr => 'trigger description with pretty-print option',
+{ oid => '2730', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.53.0


--AcCatzXgbvyipyEy--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 81d210a9c45..c9c011ea5c1 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 9effa02fa2e..45a35f823e8 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 10c5286bd7d..146963c254b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3974,9 +3974,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8535,7 +8532,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.51.2


--IRGsBYp1UN8d6WrT--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 305e3e80c41..188d367b113 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 3a0be2d4b2a..d644a391e0e 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--3/nz5wg6+DYwHsLU--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 14 --------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index a6f7cdf3a36..08b9b68d0cd 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -699,6 +699,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_expr';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_triggerdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d87b361a093..598c916ddb6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 4304ab220ba..bf00983b3ff 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3983,9 +3983,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8551,7 +8548,7 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 8b5f58850f6..46764648040 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -22,6 +22,7 @@
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
 { oid => '1643', proname => 'pg_get_indexdef' },
+{ oid => '1662', proname => 'pg_get_triggerdef' },
 { oid => '1716', proname => 'pg_get_expr' }
 
 ]
-- 
2.43.0


--zd8Z8rlPOcTi77n/--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index a70807e84ca..27be4501e12 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -808,20 +808,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 69c1e5bb264..b43cbb62b82 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3984,9 +3984,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8566,7 +8563,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.43.0


--eEEy3EHc57lA8spa--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread

* [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql
@ 2025-12-09 19:51  Mark Wong <[email protected]>
  0 siblings, 0 replies; 174+ messages in thread

From: Mark Wong @ 2025-12-09 19:51 UTC (permalink / raw)

Modernize pg_get_triggerdef to use proargdefaults to handle the optional
pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 14 --------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 972f89eafbc..bd0ca6891c3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -818,20 +818,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
  */
 Datum
 pg_get_triggerdef(PG_FUNCTION_ARGS)
-{
-	Oid			trigid = PG_GETARG_OID(0);
-	char	   *res;
-
-	res = pg_get_triggerdef_worker(trigid, false);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			trigid = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f36f4625e50..43844bb6862 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3997,9 +3997,6 @@
   proname => 'pg_get_partition_constraintdef', provolatile => 's',
   prorettype => 'text', proargtypes => 'oid',
   prosrc => 'pg_get_partition_constraintdef' },
-{ oid => '1662', descr => 'trigger description',
-  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
 { oid => '1665', descr => 'name of sequence for a serial column',
   proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
   proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
@@ -8630,7 +8627,8 @@
   prosrc => 'pg_timezone_names' },
 { oid => '2730', descr => 'trigger description with pretty-print option',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{trigger,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_triggerdef' },
 
 # asynchronous notifications
 { oid => '3035',
-- 
2.52.0


--m23X5uHFNxthGTU3--





^ permalink  raw  reply  [nested|flat] 174+ messages in thread


end of thread, other threads:[~2025-12-09 19:51 UTC | newest]

Thread overview: 174+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2022-04-04 18:54 [PATCH 09/11] regress tests for session variables [email protected] <[email protected]>
2022-04-04 18:54 [PATCH v20220916 10/13] regress tests for session variables [email protected] <[email protected]>
2022-04-04 18:54 [PATCH 09/11] regress tests for session variables [email protected] <[email protected]>
2022-04-04 18:54 [PATCH v20220922 10/13] regress tests for session variables [email protected] <[email protected]>
2022-04-04 18:54 [PATCH v20220916 10/13] regress tests for session variables [email protected] <[email protected]>
2023-05-31 11:58 [PATCH v29 09/11] Add support for min/max aggregates for IVM Yugo Nagata <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v7 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v5 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v4 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v2 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>
2025-12-09 19:51 [PATCH v8.1 6/6] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>

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