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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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6
contrib/pg_stat_statements/sql/dml.sql
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@ -46,7 +46,7 @@ SELECT * FROM pgss_dml_tab ORDER BY a;
SELECT * FROM pgss_dml_tab WHERE a IN (1, 2, 3, 4, 5);
SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
SELECT pg_stat_statements_reset();
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
-- MERGE
MERGE INTO pgss_dml_tab USING pgss_dml_tab st ON (st.a = pgss_dml_tab.a AND st.a >= 4)
@ -77,7 +77,7 @@ SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
-- check that [temp] table relation extensions are tracked as writes
CREATE TABLE pgss_extend_tab (a int, b text);
CREATE TEMP TABLE pgss_extend_temp_tab (a int, b text);
SELECT pg_stat_statements_reset();
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
INSERT INTO pgss_extend_tab (a, b) SELECT generate_series(1, 1000), 'something';
INSERT INTO pgss_extend_temp_tab (a, b) SELECT generate_series(1, 1000), 'something';
WITH sizes AS (
@ -92,4 +92,4 @@ SELECT
SUM(shared_blks_dirtied) >= (SELECT rel_size FROM sizes) AS dirtied_ok
FROM pg_stat_statements;
SELECT pg_stat_statements_reset();
SELECT pg_stat_statements_reset() IS NOT NULL AS t;