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From: Tomas Vondra <[email protected]>
Subject: [PATCH 1/2] fix: don't print double parens
Date: Mon, 16 Aug 2021 16:40:43 +0200

---
 src/backend/utils/adt/ruleutils.c             |   2 +-
 .../regress/expected/create_table_like.out    |   6 +-
 src/test/regress/expected/stats_ext.out       | 110 +++++++++---------
 3 files changed, 59 insertions(+), 59 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 4df8cc5abf..a762d664fb 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -1712,7 +1712,7 @@ pg_get_statisticsobj_worker(Oid statextid, bool columns_only, bool missing_ok)
 	{
 		Node	   *expr = (Node *) lfirst(lc);
 		char	   *str;
-		int			prettyFlags = PRETTYFLAG_INDENT;
+		int			prettyFlags = PRETTYFLAG_PAREN;
 
 		str = deparse_expression_pretty(expr, context, false, false,
 										prettyFlags, 0);
diff --git a/src/test/regress/expected/create_table_like.out b/src/test/regress/expected/create_table_like.out
index 7ad5fafe93..d4bd4d341d 100644
--- a/src/test/regress/expected/create_table_like.out
+++ b/src/test/regress/expected/create_table_like.out
@@ -417,7 +417,7 @@ Check constraints:
     "ctlt1_a_check" CHECK (length(a) > 2)
 Statistics objects:
     "public"."ctlt_all_a_b_stat" ON a, b FROM ctlt_all
-    "public"."ctlt_all_expr_stat" ON ((a || b)) FROM ctlt_all
+    "public"."ctlt_all_expr_stat" ON (a || b) FROM ctlt_all
 
 SELECT c.relname, objsubid, description FROM pg_description, pg_index i, pg_class c WHERE classoid = 'pg_class'::regclass AND objoid = i.indexrelid AND c.oid = i.indexrelid AND i.indrelid = 'ctlt_all'::regclass ORDER BY c.relname, objsubid;
     relname     | objsubid | description 
@@ -457,7 +457,7 @@ Check constraints:
     "ctlt1_a_check" CHECK (length(a) > 2)
 Statistics objects:
     "public"."pg_attrdef_a_b_stat" ON a, b FROM public.pg_attrdef
-    "public"."pg_attrdef_expr_stat" ON ((a || b)) FROM public.pg_attrdef
+    "public"."pg_attrdef_expr_stat" ON (a || b) FROM public.pg_attrdef
 
 DROP TABLE public.pg_attrdef;
 -- Check that LIKE isn't confused when new table masks the old, either
@@ -479,7 +479,7 @@ Check constraints:
     "ctlt1_a_check" CHECK (length(a) > 2)
 Statistics objects:
     "ctl_schema"."ctlt1_a_b_stat" ON a, b FROM ctlt1
-    "ctl_schema"."ctlt1_expr_stat" ON ((a || b)) FROM ctlt1
+    "ctl_schema"."ctlt1_expr_stat" ON (a || b) FROM ctlt1
 
 ROLLBACK;
 DROP TABLE ctlt1, ctlt2, ctlt3, ctlt4, ctlt12_storage, ctlt12_comments, ctlt1_inh, ctlt13_inh, ctlt13_like, ctlt_all, ctla, ctlb CASCADE;
diff --git a/src/test/regress/expected/stats_ext.out b/src/test/regress/expected/stats_ext.out
index 7fb54de53d..4e52910df2 100644
--- a/src/test/regress/expected/stats_ext.out
+++ b/src/test/regress/expected/stats_ext.out
@@ -2993,21 +2993,21 @@ insert into stts_t1 select i,i from generate_series(1,100) i;
 analyze stts_t1;
 set search_path to public, stts_s1, stts_s2, tststats;
 \dX
-                                                           List of extended statistics
-  Schema  |          Name          |                               Definition                               | Ndistinct | Dependencies |   MCV   
-----------+------------------------+------------------------------------------------------------------------+-----------+--------------+---------
- public   | func_deps_stat         | ((a * 2)), upper(b), ((c + (1)::numeric)) FROM functional_dependencies |           | defined      | 
- public   | mcv_lists_arrays_stats | a, b, c FROM mcv_lists_arrays                                          |           |              | defined
- public   | mcv_lists_bool_stats   | a, b, c FROM mcv_lists_bool                                            |           |              | defined
- public   | mcv_lists_stats        | a, b, d FROM mcv_lists                                                 |           |              | defined
- public   | stts_1                 | a, b FROM stts_t1                                                      | defined   |              | 
- public   | stts_2                 | a, b FROM stts_t1                                                      | defined   | defined      | 
- public   | stts_3                 | a, b FROM stts_t1                                                      | defined   | defined      | defined
- public   | stts_4                 | b, c FROM stts_t2                                                      | defined   | defined      | defined
- public   | stts_hoge              | col1, col2, col3 FROM stts_t3                                          | defined   | defined      | defined
- stts_s1  | stts_foo               | col1, col2 FROM stts_t3                                                | defined   | defined      | defined
- stts_s2  | stts_yama              | col1, col3 FROM stts_t3                                                |           | defined      | defined
- tststats | priv_test_stats        | a, b FROM priv_test_tbl                                                |           |              | defined
+                                                        List of extended statistics
+  Schema  |          Name          |                            Definition                            | Ndistinct | Dependencies |   MCV   
+----------+------------------------+------------------------------------------------------------------+-----------+--------------+---------
+ public   | func_deps_stat         | (a * 2), upper(b), (c + 1::numeric) FROM functional_dependencies |           | defined      | 
+ public   | mcv_lists_arrays_stats | a, b, c FROM mcv_lists_arrays                                    |           |              | defined
+ public   | mcv_lists_bool_stats   | a, b, c FROM mcv_lists_bool                                      |           |              | defined
+ public   | mcv_lists_stats        | a, b, d FROM mcv_lists                                           |           |              | defined
+ public   | stts_1                 | a, b FROM stts_t1                                                | defined   |              | 
+ public   | stts_2                 | a, b FROM stts_t1                                                | defined   | defined      | 
+ public   | stts_3                 | a, b FROM stts_t1                                                | defined   | defined      | defined
+ public   | stts_4                 | b, c FROM stts_t2                                                | defined   | defined      | defined
+ public   | stts_hoge              | col1, col2, col3 FROM stts_t3                                    | defined   | defined      | defined
+ stts_s1  | stts_foo               | col1, col2 FROM stts_t3                                          | defined   | defined      | defined
+ stts_s2  | stts_yama              | col1, col3 FROM stts_t3                                          |           | defined      | defined
+ tststats | priv_test_stats        | a, b FROM priv_test_tbl                                          |           |              | defined
 (12 rows)
 
 \dX stts_?
@@ -3028,21 +3028,21 @@ set search_path to public, stts_s1, stts_s2, tststats;
 (1 row)
 
 \dX+
-                                                           List of extended statistics
-  Schema  |          Name          |                               Definition                               | Ndistinct | Dependencies |   MCV   
-----------+------------------------+------------------------------------------------------------------------+-----------+--------------+---------
- public   | func_deps_stat         | ((a * 2)), upper(b), ((c + (1)::numeric)) FROM functional_dependencies |           | defined      | 
- public   | mcv_lists_arrays_stats | a, b, c FROM mcv_lists_arrays                                          |           |              | defined
- public   | mcv_lists_bool_stats   | a, b, c FROM mcv_lists_bool                                            |           |              | defined
- public   | mcv_lists_stats        | a, b, d FROM mcv_lists                                                 |           |              | defined
- public   | stts_1                 | a, b FROM stts_t1                                                      | defined   |              | 
- public   | stts_2                 | a, b FROM stts_t1                                                      | defined   | defined      | 
- public   | stts_3                 | a, b FROM stts_t1                                                      | defined   | defined      | defined
- public   | stts_4                 | b, c FROM stts_t2                                                      | defined   | defined      | defined
- public   | stts_hoge              | col1, col2, col3 FROM stts_t3                                          | defined   | defined      | defined
- stts_s1  | stts_foo               | col1, col2 FROM stts_t3                                                | defined   | defined      | defined
- stts_s2  | stts_yama              | col1, col3 FROM stts_t3                                                |           | defined      | defined
- tststats | priv_test_stats        | a, b FROM priv_test_tbl                                                |           |              | defined
+                                                        List of extended statistics
+  Schema  |          Name          |                            Definition                            | Ndistinct | Dependencies |   MCV   
+----------+------------------------+------------------------------------------------------------------+-----------+--------------+---------
+ public   | func_deps_stat         | (a * 2), upper(b), (c + 1::numeric) FROM functional_dependencies |           | defined      | 
+ public   | mcv_lists_arrays_stats | a, b, c FROM mcv_lists_arrays                                    |           |              | defined
+ public   | mcv_lists_bool_stats   | a, b, c FROM mcv_lists_bool                                      |           |              | defined
+ public   | mcv_lists_stats        | a, b, d FROM mcv_lists                                           |           |              | defined
+ public   | stts_1                 | a, b FROM stts_t1                                                | defined   |              | 
+ public   | stts_2                 | a, b FROM stts_t1                                                | defined   | defined      | 
+ public   | stts_3                 | a, b FROM stts_t1                                                | defined   | defined      | defined
+ public   | stts_4                 | b, c FROM stts_t2                                                | defined   | defined      | defined
+ public   | stts_hoge              | col1, col2, col3 FROM stts_t3                                    | defined   | defined      | defined
+ stts_s1  | stts_foo               | col1, col2 FROM stts_t3                                          | defined   | defined      | defined
+ stts_s2  | stts_yama              | col1, col3 FROM stts_t3                                          |           | defined      | defined
+ tststats | priv_test_stats        | a, b FROM priv_test_tbl                                          |           |              | defined
 (12 rows)
 
 \dX+ stts_?
@@ -3071,36 +3071,36 @@ set search_path to public, stts_s1, stts_s2, tststats;
 
 set search_path to public, stts_s1;
 \dX
-                                                          List of extended statistics
- Schema  |          Name          |                               Definition                               | Ndistinct | Dependencies |   MCV   
----------+------------------------+------------------------------------------------------------------------+-----------+--------------+---------
- public  | func_deps_stat         | ((a * 2)), upper(b), ((c + (1)::numeric)) FROM functional_dependencies |           | defined      | 
- public  | mcv_lists_arrays_stats | a, b, c FROM mcv_lists_arrays                                          |           |              | defined
- public  | mcv_lists_bool_stats   | a, b, c FROM mcv_lists_bool                                            |           |              | defined
- public  | mcv_lists_stats        | a, b, d FROM mcv_lists                                                 |           |              | defined
- public  | stts_1                 | a, b FROM stts_t1                                                      | defined   |              | 
- public  | stts_2                 | a, b FROM stts_t1                                                      | defined   | defined      | 
- public  | stts_3                 | a, b FROM stts_t1                                                      | defined   | defined      | defined
- public  | stts_4                 | b, c FROM stts_t2                                                      | defined   | defined      | defined
- public  | stts_hoge              | col1, col2, col3 FROM stts_t3                                          | defined   | defined      | defined
- stts_s1 | stts_foo               | col1, col2 FROM stts_t3                                                | defined   | defined      | defined
+                                                       List of extended statistics
+ Schema  |          Name          |                            Definition                            | Ndistinct | Dependencies |   MCV   
+---------+------------------------+------------------------------------------------------------------+-----------+--------------+---------
+ public  | func_deps_stat         | (a * 2), upper(b), (c + 1::numeric) FROM functional_dependencies |           | defined      | 
+ public  | mcv_lists_arrays_stats | a, b, c FROM mcv_lists_arrays                                    |           |              | defined
+ public  | mcv_lists_bool_stats   | a, b, c FROM mcv_lists_bool                                      |           |              | defined
+ public  | mcv_lists_stats        | a, b, d FROM mcv_lists                                           |           |              | defined
+ public  | stts_1                 | a, b FROM stts_t1                                                | defined   |              | 
+ public  | stts_2                 | a, b FROM stts_t1                                                | defined   | defined      | 
+ public  | stts_3                 | a, b FROM stts_t1                                                | defined   | defined      | defined
+ public  | stts_4                 | b, c FROM stts_t2                                                | defined   | defined      | defined
+ public  | stts_hoge              | col1, col2, col3 FROM stts_t3                                    | defined   | defined      | defined
+ stts_s1 | stts_foo               | col1, col2 FROM stts_t3                                          | defined   | defined      | defined
 (10 rows)
 
 create role regress_stats_ext nosuperuser;
 set role regress_stats_ext;
 \dX
-                                                          List of extended statistics
- Schema |          Name          |                               Definition                               | Ndistinct | Dependencies |   MCV   
---------+------------------------+------------------------------------------------------------------------+-----------+--------------+---------
- public | func_deps_stat         | ((a * 2)), upper(b), ((c + (1)::numeric)) FROM functional_dependencies |           | defined      | 
- public | mcv_lists_arrays_stats | a, b, c FROM mcv_lists_arrays                                          |           |              | defined
- public | mcv_lists_bool_stats   | a, b, c FROM mcv_lists_bool                                            |           |              | defined
- public | mcv_lists_stats        | a, b, d FROM mcv_lists                                                 |           |              | defined
- public | stts_1                 | a, b FROM stts_t1                                                      | defined   |              | 
- public | stts_2                 | a, b FROM stts_t1                                                      | defined   | defined      | 
- public | stts_3                 | a, b FROM stts_t1                                                      | defined   | defined      | defined
- public | stts_4                 | b, c FROM stts_t2                                                      | defined   | defined      | defined
- public | stts_hoge              | col1, col2, col3 FROM stts_t3                                          | defined   | defined      | defined
+                                                       List of extended statistics
+ Schema |          Name          |                            Definition                            | Ndistinct | Dependencies |   MCV   
+--------+------------------------+------------------------------------------------------------------+-----------+--------------+---------
+ public | func_deps_stat         | (a * 2), upper(b), (c + 1::numeric) FROM functional_dependencies |           | defined      | 
+ public | mcv_lists_arrays_stats | a, b, c FROM mcv_lists_arrays                                    |           |              | defined
+ public | mcv_lists_bool_stats   | a, b, c FROM mcv_lists_bool                                      |           |              | defined
+ public | mcv_lists_stats        | a, b, d FROM mcv_lists                                           |           |              | defined
+ public | stts_1                 | a, b FROM stts_t1                                                | defined   |              | 
+ public | stts_2                 | a, b FROM stts_t1                                                | defined   | defined      | 
+ public | stts_3                 | a, b FROM stts_t1                                                | defined   | defined      | defined
+ public | stts_4                 | b, c FROM stts_t2                                                | defined   | defined      | defined
+ public | stts_hoge              | col1, col2, col3 FROM stts_t3                                    | defined   | defined      | defined
 (9 rows)
 
 reset role;
-- 
2.31.1


--------------57E813737E45DCA6E72822C2
Content-Type: text/x-patch; charset=UTF-8;
 name="0002-fix-identify-single-attribute-references.patch"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
 filename="0002-fix-identify-single-attribute-references.patch"



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