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help / color / mirror / Atom feedFrom: Nathan Bossart <[email protected]>
Subject: [PATCH v9 1/1] Add OIDs and attribute numbers to pg_stats and friends.
Date: Mon, 16 Mar 2026 14:09:54 -0500
XXX: NEEDS CATVERSION BUMP
---
doc/src/sgml/system-views.sgml | 60 ++++++++++++++++++++++
src/backend/catalog/system_views.sql | 6 +++
src/test/regress/expected/rules.out | 6 +++
src/test/regress/expected/stats_import.out | 4 +-
4 files changed, 74 insertions(+), 2 deletions(-)
diff --git a/doc/src/sgml/system-views.sgml b/doc/src/sgml/system-views.sgml
index e5fe423fc61..7f2c8d1713a 100644
--- a/doc/src/sgml/system-views.sgml
+++ b/doc/src/sgml/system-views.sgml
@@ -4414,6 +4414,16 @@ 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>tableid</structfield> <type>oid</type>
+ (references <link linkend="catalog-pg-class"><structname>pg_class</structname></link>.<structfield>oid</structfield>)
+ </para>
+ <para>
+ OID of table
+ </para></entry>
+ </row>
+
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>attname</structfield> <type>name</type>
@@ -4424,6 +4434,16 @@ 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>attnum</structfield> <type>int2</type>
+ (references <link linkend="catalog-pg-attribute"><structname>pg_attribute></structname></link>.<structfield>attnum</structfield>)
+ </para>
+ <para>
+ Number of column described by this row
+ </para></entry>
+ </row>
+
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>inherited</structfield> <type>bool</type>
@@ -4666,6 +4686,16 @@ 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>tableid</structfield> <type>oid</type>
+ (references <link linkend="catalog-pg-class"><structname>pg_class</structname></link>.<structfield>oid</structfield>)
+ </para>
+ <para>
+ OID of table
+ </para></entry>
+ </row>
+
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>statistics_schemaname</structfield> <type>name</type>
@@ -4686,6 +4716,16 @@ 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>statistics_id</structfield> <type>oid</type>
+ (references <link linkend="catalog-pg-statistic-ext"><structname>pg_statistic_ext</structname></link>.<structfield>oid</structfield>)
+ </para>
+ <para>
+ OID of extended statistics object
+ </para></entry>
+ </row>
+
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>statistics_owner</structfield> <type>name</type>
@@ -4877,6 +4917,16 @@ 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>tableid</structfield> <type>oid</type>
+ (references <link linkend="catalog-pg-class"><structname>pg_class</structname></link>.<structfield>oid</structfield>)
+ </para>
+ <para>
+ OID of table the statistics object is defined on
+ </para></entry>
+ </row>
+
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>statistics_schemaname</structfield> <type>name</type>
@@ -4897,6 +4947,16 @@ 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>statistics_id</structfield> <type>oid</type>
+ (references <link linkend="catalog-pg-statistic-ext"><structname>pg_statistic_ext</structname></link>.<structfield>oid</structfield>)
+ </para>
+ <para>
+ OID of extended statistics object
+ </para></entry>
+ </row>
+
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>statistics_owner</structfield> <type>name</type>
diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql
index 6d6dce18fa3..f1ed7b58f13 100644
--- a/src/backend/catalog/system_views.sql
+++ b/src/backend/catalog/system_views.sql
@@ -191,7 +191,9 @@ CREATE VIEW pg_stats WITH (security_barrier) AS
SELECT
nspname AS schemaname,
relname AS tablename,
+ attrelid AS tableid,
attname AS attname,
+ attnum,
stainherit AS inherited,
stanullfrac AS null_frac,
stawidth AS avg_width,
@@ -278,8 +280,10 @@ REVOKE ALL ON pg_statistic FROM public;
CREATE VIEW pg_stats_ext WITH (security_barrier) AS
SELECT cn.nspname AS schemaname,
c.relname AS tablename,
+ s.stxrelid AS tableid,
sn.nspname AS statistics_schemaname,
s.stxname AS statistics_name,
+ s.oid AS statistics_id,
pg_get_userbyid(s.stxowner) AS statistics_owner,
( SELECT array_agg(a.attname ORDER BY a.attnum)
FROM unnest(s.stxkeys) k
@@ -312,8 +316,10 @@ CREATE VIEW pg_stats_ext WITH (security_barrier) AS
CREATE VIEW pg_stats_ext_exprs WITH (security_barrier) AS
SELECT cn.nspname AS schemaname,
c.relname AS tablename,
+ s.stxrelid AS tableid,
sn.nspname AS statistics_schemaname,
s.stxname AS statistics_name,
+ s.oid AS statistics_id,
pg_get_userbyid(s.stxowner) AS statistics_owner,
stat.expr,
sd.stxdinherit AS inherited,
diff --git a/src/test/regress/expected/rules.out b/src/test/regress/expected/rules.out
index 9ed0a1756c0..32bea58db2c 100644
--- a/src/test/regress/expected/rules.out
+++ b/src/test/regress/expected/rules.out
@@ -2546,7 +2546,9 @@ pg_statio_user_tables| SELECT relid,
WHERE ((schemaname <> ALL (ARRAY['pg_catalog'::name, 'information_schema'::name])) AND (schemaname !~ '^pg_toast'::text));
pg_stats| SELECT n.nspname AS schemaname,
c.relname AS tablename,
+ a.attrelid AS tableid,
a.attname,
+ a.attnum,
s.stainherit AS inherited,
s.stanullfrac AS null_frac,
s.stawidth AS avg_width,
@@ -2638,8 +2640,10 @@ pg_stats| SELECT n.nspname AS schemaname,
WHERE ((NOT a.attisdropped) AND has_column_privilege(c.oid, a.attnum, 'select'::text) AND ((c.relrowsecurity = false) OR (NOT row_security_active(c.oid))));
pg_stats_ext| SELECT cn.nspname AS schemaname,
c.relname AS tablename,
+ s.stxrelid AS tableid,
sn.nspname AS statistics_schemaname,
s.stxname AS statistics_name,
+ s.oid AS statistics_id,
pg_get_userbyid(s.stxowner) AS statistics_owner,
( SELECT array_agg(a.attname ORDER BY a.attnum) AS array_agg
FROM (unnest(s.stxkeys) k(k)
@@ -2666,8 +2670,10 @@ pg_stats_ext| SELECT cn.nspname AS schemaname,
WHERE (pg_has_role(c.relowner, 'USAGE'::text) AND ((c.relrowsecurity = false) OR (NOT row_security_active(c.oid))));
pg_stats_ext_exprs| SELECT cn.nspname AS schemaname,
c.relname AS tablename,
+ s.stxrelid AS tableid,
sn.nspname AS statistics_schemaname,
s.stxname AS statistics_name,
+ s.oid AS statistics_id,
pg_get_userbyid(s.stxowner) AS statistics_owner,
stat.expr,
sd.stxdinherit AS inherited,
diff --git a/src/test/regress/expected/stats_import.out b/src/test/regress/expected/stats_import.out
index 0aa9f657376..fd660791ea9 100644
--- a/src/test/regress/expected/stats_import.out
+++ b/src/test/regress/expected/stats_import.out
@@ -78,7 +78,7 @@ SELECT COUNT(*) FROM pg_attribute
attnum > 0;
count
-------
- 15
+ 17
(1 row)
-- Create a view that is used purely for the type based on pg_stats_ext.
@@ -119,7 +119,7 @@ SELECT COUNT(*) FROM pg_attribute
attnum > 0;
count
-------
- 20
+ 22
(1 row)
-- Create a view that is used purely for the type based on pg_stats_ext_exprs.
--
2.50.1 (Apple Git-155)
--tOwyRy8JMBwx/S6s--
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