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