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Add NOT NULL checking of pg_stat_statements_reset() in tests

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This is preliminary patch.  It adds NOT NULL checking for the result of
pg_stat_statements_reset() function. It is needed for upcoming patch
"Track statement entry timestamp" that will change the result type of
this function to the timestamp of a reset performed.

Discussion: https://postgr.es/m/flat/72e80e7b160a6eb189df9ef6f068cce3765d37f8.camel%40moonset.ru
Author: Andrei Zubkov
Reviewed-by: Julien Rouhaud, Hayato Kuroda, Yuki Seino, Chengxi Sun
Reviewed-by: Anton Melnikov, Darren Rush, Michael Paquier, Sergei Kornilov
Reviewed-by: Alena Rybakina, Andrei Lepikhov
This commit is contained in:
Alexander Korotkov
2023-11-27 02:50:59 +02:00
parent 01eca6a913
commit 6ab1dbd26b
16 changed files with 317 additions and 312 deletions
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15
contrib/pg_stat_statements/sql/user_activity.sql
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@ -3,7 +3,7 @@
--
SET pg_stat_statements.track_utility = TRUE;
SELECT pg_stat_statements_reset();
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
CREATE ROLE regress_stats_user1;
CREATE ROLE regress_stats_user2;
@ -24,7 +24,7 @@ SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
--
-- Don't reset anything if any of the parameter is NULL
--
SELECT pg_stat_statements_reset(NULL);
SELECT pg_stat_statements_reset(NULL) IS NOT NULL AS t;
SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
--
@ -35,27 +35,28 @@ SELECT pg_stat_statements_reset(
(SELECT r.oid FROM pg_roles AS r WHERE r.rolname = 'regress_stats_user2'),
(SELECT d.oid FROM pg_database As d where datname = current_database()),
(SELECT s.queryid FROM pg_stat_statements AS s
WHERE s.query = 'SELECT $1+$2 AS "TWO"' LIMIT 1));
WHERE s.query = 'SELECT $1+$2 AS "TWO"' LIMIT 1))
IS NOT NULL AS t;
SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
--
-- remove query ('SELECT $1 AS "ONE"') executed by two users
--
SELECT pg_stat_statements_reset(0,0,s.queryid)
SELECT pg_stat_statements_reset(0,0,s.queryid) IS NOT NULL AS t
FROM pg_stat_statements AS s WHERE s.query = 'SELECT $1 AS "ONE"';
SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
--
-- remove query of a user (regress_stats_user1)
--
SELECT pg_stat_statements_reset(r.oid)
SELECT pg_stat_statements_reset(r.oid) IS NOT NULL AS t
FROM pg_roles AS r WHERE r.rolname = 'regress_stats_user1';
SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
--
-- reset all
--
SELECT pg_stat_statements_reset(0,0,0);
SELECT pg_stat_statements_reset(0,0,0) IS NOT NULL AS t;
SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
--
@ -63,4 +64,4 @@ SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
--
DROP ROLE regress_stats_user1;
DROP ROLE regress_stats_user2;
SELECT pg_stat_statements_reset();
SELECT pg_stat_statements_reset() IS NOT NULL AS t;