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[PATCH v29 11/11] Add documentations about Incremental View Maintenance
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* [PATCH v29 11/11] Add documentations about Incremental View Maintenance
@ 2019-12-20 01:25 Yugo Nagata <[email protected]>
  0 siblings, 0 replies; 166+ messages in thread

From: Yugo Nagata @ 2019-12-20 01:25 UTC (permalink / raw)

---
 doc/src/sgml/catalogs.sgml                    |   9 +
 .../sgml/ref/create_materialized_view.sgml    | 124 ++++-
 .../sgml/ref/refresh_materialized_view.sgml   |   8 +-
 doc/src/sgml/rules.sgml                       | 437 ++++++++++++++++++
 doc/src/sgml/system-views.sgml                |   9 +
 5 files changed, 583 insertions(+), 4 deletions(-)

diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index d17ff51e28..3de3303cac 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -2224,6 +2224,15 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
       </para></entry>
      </row>
 
+     <row>
+      <entry role="catalog_table_entry"><para role="column_definition">
+       <structfield>relisivm</structfield> <type>bool</type>
+      </para>
+      <para>
+       True if relation is incrementally maintainable materialized view
+      </para></entry>
+     </row>
+
      <row>
       <entry role="catalog_table_entry"><para role="column_definition">
        <structfield>relrewrite</structfield> <type>oid</type>
diff --git a/doc/src/sgml/ref/create_materialized_view.sgml b/doc/src/sgml/ref/create_materialized_view.sgml
index 0d2fea2b97..8c574062db 100644
--- a/doc/src/sgml/ref/create_materialized_view.sgml
+++ b/doc/src/sgml/ref/create_materialized_view.sgml
@@ -21,7 +21,7 @@ PostgreSQL documentation
 
  <refsynopsisdiv>
 <synopsis>
-CREATE MATERIALIZED VIEW [ IF NOT EXISTS ] <replaceable>table_name</replaceable>
+CREATE [ INCREMENTAL ] MATERIALIZED VIEW [ IF NOT EXISTS ] <replaceable>table_name</replaceable>
     [ (<replaceable>column_name</replaceable> [, ...] ) ]
     [ USING <replaceable class="parameter">method</replaceable> ]
     [ WITH ( <replaceable class="parameter">storage_parameter</replaceable> [= <replaceable class="parameter">value</replaceable>] [, ... ] ) ]
@@ -60,6 +60,125 @@ CREATE MATERIALIZED VIEW [ IF NOT EXISTS ] <replaceable>table_name</replaceable>
   <title>Parameters</title>
 
   <variablelist>
+   <varlistentry>
+    <term><literal>INCREMENTAL</literal></term>
+    <listitem>
+     <para>
+      If specified, some triggers are automatically created so that the rows
+      of the materialized view are immediately updated when base tables of the
+      materialized view are updated. In general, this allows faster update of
+      the materialized view at a price of slower update of the base tables
+      because the triggers will be invoked. We call this form of materialized
+      view as "Incrementally Maintainable Materialized View" (IMMV).
+     </para>
+     <para>
+      When <acronym>IMMV</acronym> is defined without using <command>WITH NO DATA</command>,
+      a unique index is created on the view automatically if possible.  If the view
+      definition query has a GROUP BY clause, a unique index is created on the columns
+      of GROUP BY expressions.  Also, if the view has DISTINCT clause, a unique index
+      is created on all columns in the target list.  Otherwise, if the view contains all
+      primary key attritubes of its base tables in the target list, a unique index is
+      created on these attritubes.  In other cases, no index is created.
+     </para>
+     <para>
+      There are restrictions of query definitions allowed to use this
+      option. The following are supported in query definitions for IMMV:
+      <itemizedlist>
+
+       <listitem>
+        <para>
+         Inner joins (including self-joins).
+        </para>
+       </listitem>
+
+       <listitem>
+        <para>
+         Some built-in aggregate functions (count, sum, avg, min, max) without a HAVING
+         clause.
+        </para>
+        </listitem>
+      </itemizedlist>
+
+      Unsupported queries with this option include the following:
+
+      <itemizedlist>
+       <listitem>
+        <para>
+         Outer joins.
+        </para>
+       </listitem>
+
+       <listitem>
+        <para>
+         Sub-queries.
+        </para>
+       </listitem>
+
+       <listitem>
+        <para>
+         Aggregate functions other than built-in count, sum, avg, min and max.
+        </para>
+       </listitem>
+       <listitem>
+        <para>
+         Aggregate functions with a HAVING clause.
+        </para>
+       </listitem>
+       <listitem>
+        <para>
+         DISTINCT ON, WINDOW, VALUES, LIMIT and OFFSET clause.
+        </para>
+       </listitem>
+      </itemizedlist>
+
+      Other restrictions include:
+      <itemizedlist>
+
+       <listitem>
+        <para>
+         IMMVs must be based on simple base tables. It's not supported to
+         create them on top of views or materialized views.
+        </para>
+       </listitem>
+
+       <listitem>
+        <para>
+         It is not supported to include system columns in an IMMV.
+         <programlisting>
+CREATE INCREMENTAL MATERIALIZED VIEW  mv_ivm02 AS SELECT i,j FROM mv_base_a WHERE xmin = '610';
+ERROR:  system column is not supported with IVM
+         </programlisting>
+        </para>
+       </listitem>
+
+       <listitem>
+        <para>
+         Non-immutable functions are not supported.
+         <programlisting>
+CREATE INCREMENTAL MATERIALIZED VIEW  mv_ivm12 AS SELECT i,j FROM mv_base_a WHERE i = random()::int;
+ERROR:  functions in IMMV must be marked IMMUTABLE
+         </programlisting>
+        </para>
+        </listitem>
+
+       <listitem>
+        <para>
+         IMMVs do not support expressions that contains aggregates
+        </para>
+       </listitem>
+
+       <listitem>
+        <para>
+         Logical replication does not support IMMVs.
+        </para>
+       </listitem>
+
+      </itemizedlist>
+
+     </para>
+    </listitem>
+   </varlistentry>
+
    <varlistentry>
     <term><literal>IF NOT EXISTS</literal></term>
     <listitem>
@@ -155,7 +274,8 @@ CREATE MATERIALIZED VIEW [ IF NOT EXISTS ] <replaceable>table_name</replaceable>
       This clause specifies whether or not the materialized view should be
       populated at creation time.  If not, the materialized view will be
       flagged as unscannable and cannot be queried until <command>REFRESH
-      MATERIALIZED VIEW</command> is used.
+      MATERIALIZED VIEW</command> is used.  Also, if the view is IMMV,
+      triggers for maintaining the view are not created.
      </para>
     </listitem>
    </varlistentry>
diff --git a/doc/src/sgml/ref/refresh_materialized_view.sgml b/doc/src/sgml/ref/refresh_materialized_view.sgml
index 675d6090f3..c29cfc19b6 100644
--- a/doc/src/sgml/ref/refresh_materialized_view.sgml
+++ b/doc/src/sgml/ref/refresh_materialized_view.sgml
@@ -35,9 +35,13 @@ REFRESH MATERIALIZED VIEW [ CONCURRENTLY ] <replaceable class="parameter">name</
    owner of the materialized view.  The old contents are discarded.  If
    <literal>WITH DATA</literal> is specified (or defaults) the backing query
    is executed to provide the new data, and the materialized view is left in a
-   scannable state.  If <literal>WITH NO DATA</literal> is specified no new
+   scannable state.  If the view is an incrementally maintainable materialized
+   view (IMMV) and was unpopulated, triggers for maintaining the view are
+   created. Also, a unique index is created for IMMV if it is possible and the
+   view doesn't have that yet.
+   If <literal>WITH NO DATA</literal> is specified no new
    data is generated and the materialized view is left in an unscannable
-   state.
+   state.  If the view is IMMV, the triggers are dropped.
   </para>
   <para>
    <literal>CONCURRENTLY</literal> and <literal>WITH NO DATA</literal> may not
diff --git a/doc/src/sgml/rules.sgml b/doc/src/sgml/rules.sgml
index d229b94d39..22e4cad103 100644
--- a/doc/src/sgml/rules.sgml
+++ b/doc/src/sgml/rules.sgml
@@ -1096,6 +1096,443 @@ SELECT word FROM words ORDER BY word &lt;-&gt; 'caterpiler' LIMIT 10;
 
 </sect1>
 
+<sect1 id="rules-ivm">
+<title>Incremental View Maintenance</title>
+
+<indexterm zone="rules-ivm">
+ <primary>incremental view maintenance</primary>
+</indexterm>
+
+<indexterm zone="rules-ivm">
+ <primary>materialized view</primary>
+ <secondary>incremental view maintenance</secondary>
+</indexterm>
+
+<indexterm zone="rules-ivm">
+ <primary>view</primary>
+ <secondary>incremental view maintenance</secondary>
+</indexterm>
+
+<sect2 id="rules-ivm-overview">
+<title>Overview</title>
+
+<para>
+    Incremental View Maintenance (<acronym>IVM</acronym>) is a way to make
+    materialized views up-to-date in which only incremental changes are computed
+    and applied on views rather than recomputing the contents from scratch as
+    <command>REFRESH MATERIALIZED VIEW</command> does.  <acronym>IVM</acronym>
+    can update materialized views more efficiently than recomputation when only
+    small parts of the view are changed.
+</para>
+
+<para>
+    There are two approaches with regard to timing of view maintenance:
+    immediate and deferred.  In immediate maintenance, views are updated in the
+    same transaction that its base table is modified.  In deferred maintenance,
+    views are updated after the transaction is committed, for example, when the
+    view is accessed, as a response to user command like <command>REFRESH
+    MATERIALIZED VIEW</command>, or periodically in background, and so on.
+    <productname>PostgreSQL</productname> currently implements only a kind of
+    immediate maintenance, in which materialized views are updated immediately
+    in AFTER triggers when a base table is modified.
+</para>
+
+<para>
+    To create materialized views supporting <acronym>IVM</acronym>, use the
+    <command>CREATE INCREMENTAL MATERIALIZED VIEW</command>, for example:
+<programlisting>
+CREATE <emphasis>INCREMENTAL</emphasis> MATERIALIZED VIEW mymatview AS SELECT * FROM mytab;
+</programlisting>
+    When a materialized view is created with the <literal>INCREMENTAL</literal>
+    keyword, some triggers are automatically created so that the view's contents are
+    immediately updated when its base tables are modified. We call this form
+    of materialized view an Incrementally Maintainable Materialized View
+    (<acronym>IMMV</acronym>).
+<programlisting>
+postgres=# CREATE INCREMENTAL MATERIALIZED VIEW m AS SELECT * FROM t0;
+NOTICE:  could not create an index on materialized view "m" automatically
+HINT:  Create an index on the materialized view for effcient incremental maintenance.
+SELECT 3
+postgres=# SELECT * FROM m;
+ i
+---
+ 1
+ 2
+ 3
+(3 rows)
+
+postgres=# INSERT INTO t0 VALUES (4);
+INSERT 0 1
+postgres=# SELECT * FROM m; -- automatically updated
+ i
+---
+ 1
+ 2
+ 3
+ 4
+(4 rows)
+</programlisting>
+</para>
+
+<para>
+    Some <acronym>IMMV</acronym>s have hidden columns which are added
+    automatically when a materialized view is created. Their name starts
+    with <literal>__ivm_</literal> and they contain information required
+    for maintaining the <acronym>IMMV</acronym>. Such columns are not visible
+    when the <acronym>IMMV</acronym> is accessed by <literal>SELECT *</literal>
+    but are visible if the column name is explicitly specified in the target
+    list. We can also see the hidden columns in <literal>\d</literal>
+    meta-commands of <command>psql</command> commands.
+</para>
+
+<para>
+    In general, <acronym>IMMV</acronym>s allow faster updates of materialized
+    views at the price of slower updates to their base tables. Updates of
+    <acronym>IMMV</acronym> is slower because triggers will be invoked and the
+    view is updated in triggers per modification statement.
+</para>
+
+<para>
+    For example, suppose a normal materialized view defined as below:
+
+<programlisting>
+test=# CREATE INCREMENTAL MATERIALIZED VIEW mv_ivm AS
+        SELECT a.aid, b.bid, a.abalance, b.bbalance
+        FROM pgbench_accounts a JOIN pgbench_branches b USING(bid);
+SELECT 10000000
+
+</programlisting>
+
+    Updating a tuple in a base table of this materialized view is rapid but the
+   <command>REFRESH MATERIALIZED VIEW</command> command on this view takes a long time:
+
+<programlisting>
+test=# UPDATE pgbench_accounts SET abalance = 1000 WHERE aid = 1;
+UPDATE 1
+Time: 0.990 ms
+
+test=# REFRESH MATERIALIZED VIEW mv_normal ;
+REFRESH MATERIALIZED VIEW
+Time: 33533.952 ms (00:33.534)
+</programlisting>
+</para>
+
+<para>
+    On the other hand, after creating <acronym>IMMV</acronym> with the same view
+    definition as below:
+
+<programlisting>
+test=# CREATE INCREMENTAL MATERIALIZED VIEW mv_ivm AS
+        SELECT a.aid, b.bid, a.abalance, b.bbalance
+        FROM pgbench_accounts a JOIN pgbench_branches b USING(bid);
+test=# UPDATE pgbench_accounts SET abalance = 1000 WHERE aid = 1;
+NOTICE:  created index "mv_ivm_index" on materialized view "mv_ivm"
+</programlisting>
+
+    updating a tuple in a base table takes more than the normal view,
+    but its content is updated automatically and this is faster than the
+    <command>REFRESH MATERIALIZED VIEW</command> command.
+
+<programlisting>
+test=# UPDATE pgbench_accounts SET abalance = 1000 WHERE aid = 1;
+UPDATE 1
+Time: 13.068 ms
+</programlisting>
+
+</para>
+
+<para>
+    Appropriate indexes on <acronym>IMMV</acronym>s are necessary for
+    efficient <acronym>IVM</acronym> because it looks for tuples to be
+    updated in <acronym>IMMV</acronym>.  If there are no indexes, it
+    will take a long time.
+</para>
+
+<para>
+    Therefore, when <acronym>IMMV</acronym> is defined, a unique index is created on the view
+    automatically if possible.  If the view definition query has a GROUP BY clause, a unique
+    index is created on the columns of GROUP BY expressions.  Also, if the view has DISTINCT
+    clause, a unique index is created on all columns in the target list. Otherwise, if the
+    view contains all primary key attritubes of its base tables in the target list, a unique
+    index is created on these attritubes.  In other cases, no index is created.
+</para>
+
+<para>
+    In the previous example, a unique index "mv_ivm_index" is created on aid and bid
+    columns of materialized view "mv_ivm", and this enables the rapid update of the view.
+    Dropping this index make updating the view take a loger time.
+<programlisting>
+test=# DROP INDEX mv_ivm_index;
+DROP INDEX
+Time: 67.081 ms
+
+test=# UPDATE pgbench_accounts SET abalance = 1000 WHERE aid = 1;
+UPDATE 1
+Time: 16386.245 ms (00:16.386)
+</programlisting>
+
+</para>
+
+<para>
+    <acronym>IVM</acronym> is effective when we want to keep a materialized
+    view up-to-date and small fraction of a base table is modified
+    infrequently.  Due to the overhead of immediate maintenance, <acronym>IVM</acronym>
+    is not effective when a base table is modified frequently.  Also, when a
+    large part of a base table is modified or large data is inserted into a
+    base table, <acronym>IVM</acronym> is not effective and the cost of
+    maintenance can be larger than the <command>REFRESH MATERIALIZED VIEW</command>
+    command. In such situation, we can use <command>REFRESH MATERIALIZED VIEW</command>
+    and specify <literal>WITH NO DATA</literal> to disable immediate
+    maintenance before modifying a base table. After a base table modification,
+    execute the <command>REFRESH MATERIALIZED VIEW</command> (with <literal>WITH DATA</literal>)
+    command to refresh the view data and enable immediate maintenance.
+</para>
+
+</sect2>
+
+<sect2 id="rules-ivm-support">
+<title>Supported View Definitions and Restrictions</title>
+
+<para>
+    Currently, we can create <acronym>IMMV</acronym>s using inner joins, and some
+    aggregates. However, several restrictions apply to the definition of IMMV.
+</para>
+
+<sect3 id="rules-ivm-support-joins">
+<title>Joins</title>
+<para>
+    Inner joins including self-join are supported. Outer joins are not supported.
+</para>
+</sect3>
+
+<sect3 id="rules-ivm-support-aggregates">
+<title>Aggregates</title>
+<para>
+    Supported aggregate functions are <function>count</function>, <function>sum</function>,
+    <function>avg</function>, <function>min</function>, and <function>max</function>.
+    Currently, only built-in aggregate functions are supported and user defined
+    aggregates cannot be used.  When a base table is modified, the new aggregated
+    values are incrementally calculated using the old aggregated values and values
+    of related hidden columns stored in <acronym>IMMV</acronym>.
+</para>
+
+<para>
+     Note that for <function>min</function> or <function>max</function>, the new values
+     could be re-calculated from base tables with regard to the affected groups when a
+     tuple containing the current minimal or maximal values are deleted from a base table.
+     Therefore, it can takes a long time to update an <acronym>IMMV</acronym> containing
+     these functions.
+</para>
+
+<para>
+    Also note that using <function>sum</function> or <function>avg</function> on
+    <type>real</type> (<type>float4</type>) type or <type>double precision</type>
+    (<type>float8</type>) type in <acronym>IMMV</acronym> is unsafe. This is
+    because aggregated values in <acronym>IMMV</acronym> can become different from
+    results calculated from base tables due to the limited precision of these types.
+    To avoid this problem, use the <type>numeric</type> type instead.
+</para>
+
+    <sect4 id="rules-ivm-restrictions-aggregates">
+    <title>Restrictions on Aggregates</title>
+    <para>
+        There are the following restrictions:
+    <itemizedlist>
+        <listitem>
+        <para>
+            If we have a <literal>GROUP BY</literal> clause, expressions specified in
+           <literal>GROUP BY</literal> must appear in the target list.  This is
+           how tuples to be updated in the <acronym>IMMV</acronym> are identified.
+           These attributes are used as scan keys for searching tuples in the
+           <acronym>IMMV</acronym>, so indexes on them are required for efficient
+           <acronym>IVM</acronym>.
+        </para>
+        </listitem>
+
+        <listitem>
+        <para>
+            <literal>HAVING</literal> clause cannot be used.
+        </para>
+        </listitem>
+    </itemizedlist>
+    </para>
+    </sect4>
+</sect3>
+
+<sect3 id="rules-ivm-general-restricitons">
+<title>Other General Restrictions</title>
+<para>
+    There are other restrictions which generally apply to <acronym>IMMV</acronym>:
+    <itemizedlist>
+        <listitem>
+          <para>
+           Sub-queries cannot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+           CTEs cannot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+           Window functions cannot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            <acronym>IMMV</acronym>s must be based on simple base tables.  It's not
+               supported to create them on top of views, materialized views, foreign tables, inhe.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            LIMIT and OFFSET clauses cannot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            <acronym>IMMV</acronym>s cannot contain system columns.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            <acronym>IMMV</acronym>s cannot contain non-immutable functions.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            UNION/INTERSECT/EXCEPT clauses cannnot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            DISTINCT ON clauses cannot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            TABLESAMPLE parameter cannot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            inheritance parent tables cannnot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            VALUES clause cannnot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            <literal>GROUPING SETS</literal> and <literal>FILTER</literal> clauses cannot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            FOR UPDATE/SHARE cannot be used.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            targetlist cannot contain columns whose name start with <literal>__ivm_</literal>.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+            targetlist cannot contain expressions which contain an aggregate in it.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
+              Logical replication is not supported, that is, even when a base table
+               at a publisher node is modified, <acronym>IMMV</acronym>s at subscriber
+               nodes are not updated.
+          </para>
+        </listitem>
+
+    </itemizedlist>
+</para>
+</sect3>
+
+</sect2>
+
+<sect2 id="rules-ivm-distinct">
+<title><literal>DISTINCT</literal></title>
+
+<para>
+    <productname>PostgreSQL</productname> supports <acronym>IMMV</acronym> with
+    <literal>DISTINCT</literal>.  For example, suppose a <acronym>IMMV</acronym>
+    defined with <literal>DISTINCT</literal> on a base table containing duplicate
+    tuples.  When tuples are deleted from the base table, a tuple in the view is
+    deleted if and only if the multiplicity of the tuple becomes zero.  Moreover,
+    when tuples are inserted into the base table, a tuple is inserted into the
+    view only if the same tuple doesn't already exist in it.
+</para>
+
+<para>
+    Physically, an <acronym>IMMV</acronym> defined with <literal>DISTINCT</literal>
+    contains tuples after eliminating duplicates, and the multiplicity of each tuple
+    is stored in a hidden column named <literal>__ivm_count__</literal>.
+</para>
+</sect2>
+
+<sect2 id="rules-ivm-concurrent-transactions">
+<title>Concurrent Transactions</title>
+<para>
+    Suppose an <acronym>IMMV</acronym> is defined on two base tables and each
+    table was modified in different a concurrent transaction simultaneously.
+    In the transaction which was committed first, <acronym>IMMV</acronym> can
+    be updated considering only the change which happened in this transaction.
+    On the other hand, in order to update the view correctly in the transaction
+    which was committed later, we need to know the changes occurred in
+    both transactions.  For this reason, <literal>ExclusiveLock</literal>
+    is held on an <acronym>IMMV</acronym> immediately after a base table is
+    modified in <literal>READ COMMITTED</literal> mode to make sure that
+    the <acronym>IMMV</acronym> is updated in the latter transaction after
+    the former transaction is committed.  In <literal>REPEATABLE READ</literal>
+    or <literal>SERIALIZABLE</literal> mode, an error is raised immediately
+    if lock acquisition fails because any changes which occurred in
+    other transactions are not be visible in these modes and
+    <acronym>IMMV</acronym> cannot be updated correctly in such situations.
+    However, as an exception if the view has only one base table and
+    <command>INSERT</command> is performed on the table,
+    the lock held on thew view is <literal>RowExclusiveLock</literal>.
+</para>
+</sect2>
+
+<sect2 id="rules-ivm-rls">
+<title>Row Level Security</title>
+<para>
+    If some base tables have row level security policy, rows that are not visible
+    to the materialized view's owner are excluded from the result.  In addition, such
+    rows are excluded as well when views are incrementally maintained.  However, if a
+    new policy is defined or policies are changed after the materialized view was created,
+    the new policy will not be applied to the view contents.  To apply the new policy,
+    you need to refresh materialized views.
+</para>
+</sect2>
+
+</sect1>
+
 <sect1 id="rules-update">
 <title>Rules on <command>INSERT</command>, <command>UPDATE</command>, and <command>DELETE</command></title>
 
diff --git a/doc/src/sgml/system-views.sgml b/doc/src/sgml/system-views.sgml
index 2b35c2f91b..5366f707eb 100644
--- a/doc/src/sgml/system-views.sgml
+++ b/doc/src/sgml/system-views.sgml
@@ -1787,6 +1787,15 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
       </para></entry>
      </row>
 
+     <row>
+      <entry role="catalog_table_entry"><para role="column_definition">
+       <structfield>isimmv</structfield> <type>bool</type>
+      </para>
+      <para>
+       True if materialized view is incrementally maintainable
+      </para></entry>
+     </row>
+
      <row>
       <entry role="catalog_table_entry"><para role="column_definition">
        <structfield>definition</structfield> <type>text</type>
-- 
2.25.1


--Multipart=_Mon__28_Aug_2023_16_05_30_+0900_b1OvQD_3A3ZMTGvj--





^ permalink  raw  reply  [nested|flat] 166+ messages in thread

* [PATCH 09/11] regress tests for session variables
@ 2022-04-04 18:54 [email protected] <[email protected]>
  0 siblings, 0 replies; 166+ 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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Content-Type: text/plain; charset=us-ascii
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^ permalink  raw  reply  [nested|flat] 166+ messages in thread

* [PATCH 09/11] regress tests for session variables
@ 2022-04-04 18:54 [email protected] <[email protected]>
  0 siblings, 0 replies; 166+ 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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Content-Type: text/plain; charset=us-ascii
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^ permalink  raw  reply  [nested|flat] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ 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; 166+ 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] 166+ messages in thread


end of thread, other threads:[~2025-12-09 19:51 UTC | newest]

Thread overview: 166+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2019-12-20 01:25 [PATCH v29 11/11] Add documentations about Incremental View Maintenance Yugo Nagata <[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 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]>
2022-04-04 18:54 [PATCH v20220916 10/13] regress tests for session variables [email protected] <[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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 v2 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 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 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 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 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 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 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 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 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 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 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 v2 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 v3 7/7] Handle pg_get_triggerdef default args in system_functions.sql Mark Wong <[email protected]>

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