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-rw-r--r--src/backend/catalog/heap.c6
-rw-r--r--src/backend/catalog/index.c3
-rw-r--r--src/test/regress/expected/stats.out109
-rw-r--r--src/test/regress/sql/stats.sql50
4 files changed, 161 insertions, 7 deletions
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index 9b03579e6e0..9a80ccdccdf 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -403,6 +403,9 @@ heap_create(const char *relname,
recordDependencyOnTablespace(RelationRelationId, relid,
reltablespace);
+ /* ensure that stats are dropped if transaction aborts */
+ pgstat_create_relation(rel);
+
return rel;
}
@@ -1477,9 +1480,6 @@ heap_create_with_catalog(const char *relname,
if (oncommit != ONCOMMIT_NOOP)
register_on_commit_action(relid, oncommit);
- /* ensure that stats are dropped if transaction aborts */
- pgstat_create_relation(new_rel_desc);
-
/*
* ok, the relation has been cataloged, so close our relations and return
* the OID of the newly created relation.
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index d7192f35e3f..61f1d3926a9 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -2325,6 +2325,9 @@ index_drop(Oid indexId, bool concurrent, bool concurrent_lock_mode)
if (RELKIND_HAS_STORAGE(userIndexRelation->rd_rel->relkind))
RelationDropStorage(userIndexRelation);
+ /* ensure that stats are dropped if transaction commits */
+ pgstat_drop_relation(userIndexRelation);
+
/*
* Close and flush the index's relcache entry, to ensure relcache doesn't
* try to rebuild it while we're deleting catalog entries. We keep the
diff --git a/src/test/regress/expected/stats.out b/src/test/regress/expected/stats.out
index 628df302df0..6a10dc462bd 100644
--- a/src/test/regress/expected/stats.out
+++ b/src/test/regress/expected/stats.out
@@ -18,6 +18,8 @@ SET enable_indexscan TO on;
SET enable_indexonlyscan TO off;
-- not enabled by default, but we want to test it...
SET track_functions TO 'all';
+-- record dboid for later use
+SELECT oid AS dboid from pg_database where datname = current_database() \gset
-- save counters
BEGIN;
SET LOCAL stats_fetch_consistency = snapshot;
@@ -777,18 +779,121 @@ SELECT pg_stat_have_stats('bgwriter', 0, 0);
SELECT pg_stat_have_stats('zaphod', 0, 0);
ERROR: invalid statistics kind: "zaphod"
-- db stats have objoid 0
-SELECT pg_stat_have_stats('database', (SELECT oid FROM pg_database WHERE datname = current_database()), 1);
+SELECT pg_stat_have_stats('database', :dboid, 1);
pg_stat_have_stats
--------------------
f
(1 row)
-SELECT pg_stat_have_stats('database', (SELECT oid FROM pg_database WHERE datname = current_database()), 0);
+SELECT pg_stat_have_stats('database', :dboid, 0);
pg_stat_have_stats
--------------------
t
(1 row)
+-- pg_stat_have_stats returns true for committed index creation
+CREATE table stats_test_tab1 as select generate_series(1,10) a;
+CREATE index stats_test_idx1 on stats_test_tab1(a);
+SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset
+SET enable_seqscan TO off;
+select a from stats_test_tab1 where a = 3;
+ a
+---
+ 3
+(1 row)
+
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ t
+(1 row)
+
+-- pg_stat_have_stats returns false for dropped index with stats
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ t
+(1 row)
+
+DROP index stats_test_idx1;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ f
+(1 row)
+
+-- pg_stat_have_stats returns false for rolled back index creation
+BEGIN;
+CREATE index stats_test_idx1 on stats_test_tab1(a);
+SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset
+select a from stats_test_tab1 where a = 3;
+ a
+---
+ 3
+(1 row)
+
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ t
+(1 row)
+
+ROLLBACK;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ f
+(1 row)
+
+-- pg_stat_have_stats returns true for reindex CONCURRENTLY
+CREATE index stats_test_idx1 on stats_test_tab1(a);
+SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset
+select a from stats_test_tab1 where a = 3;
+ a
+---
+ 3
+(1 row)
+
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ t
+(1 row)
+
+REINDEX index CONCURRENTLY stats_test_idx1;
+-- false for previous oid
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ f
+(1 row)
+
+-- true for new oid
+SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ t
+(1 row)
+
+-- pg_stat_have_stats returns true for a rolled back drop index with stats
+BEGIN;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ t
+(1 row)
+
+DROP index stats_test_idx1;
+ROLLBACK;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ pg_stat_have_stats
+--------------------
+ t
+(1 row)
+
+-- put enable_seqscan back to on
+SET enable_seqscan TO on;
-- ensure that stats accessors handle NULL input correctly
SELECT pg_stat_get_replication_slot(NULL);
pg_stat_get_replication_slot
diff --git a/src/test/regress/sql/stats.sql b/src/test/regress/sql/stats.sql
index 2f39778b155..a6b0e9e0428 100644
--- a/src/test/regress/sql/stats.sql
+++ b/src/test/regress/sql/stats.sql
@@ -16,6 +16,9 @@ SET enable_indexonlyscan TO off;
-- not enabled by default, but we want to test it...
SET track_functions TO 'all';
+-- record dboid for later use
+SELECT oid AS dboid from pg_database where datname = current_database() \gset
+
-- save counters
BEGIN;
SET LOCAL stats_fetch_consistency = snapshot;
@@ -388,9 +391,52 @@ SELECT pg_stat_have_stats('bgwriter', 0, 0);
-- unknown stats kinds error out
SELECT pg_stat_have_stats('zaphod', 0, 0);
-- db stats have objoid 0
-SELECT pg_stat_have_stats('database', (SELECT oid FROM pg_database WHERE datname = current_database()), 1);
-SELECT pg_stat_have_stats('database', (SELECT oid FROM pg_database WHERE datname = current_database()), 0);
+SELECT pg_stat_have_stats('database', :dboid, 1);
+SELECT pg_stat_have_stats('database', :dboid, 0);
+
+-- pg_stat_have_stats returns true for committed index creation
+CREATE table stats_test_tab1 as select generate_series(1,10) a;
+CREATE index stats_test_idx1 on stats_test_tab1(a);
+SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset
+SET enable_seqscan TO off;
+select a from stats_test_tab1 where a = 3;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+
+-- pg_stat_have_stats returns false for dropped index with stats
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+DROP index stats_test_idx1;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+
+-- pg_stat_have_stats returns false for rolled back index creation
+BEGIN;
+CREATE index stats_test_idx1 on stats_test_tab1(a);
+SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset
+select a from stats_test_tab1 where a = 3;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+ROLLBACK;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+
+-- pg_stat_have_stats returns true for reindex CONCURRENTLY
+CREATE index stats_test_idx1 on stats_test_tab1(a);
+SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset
+select a from stats_test_tab1 where a = 3;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+REINDEX index CONCURRENTLY stats_test_idx1;
+-- false for previous oid
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+-- true for new oid
+SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+
+-- pg_stat_have_stats returns true for a rolled back drop index with stats
+BEGIN;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+DROP index stats_test_idx1;
+ROLLBACK;
+SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid);
+-- put enable_seqscan back to on
+SET enable_seqscan TO on;
-- ensure that stats accessors handle NULL input correctly
SELECT pg_stat_get_replication_slot(NULL);