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6ab1dbd26b
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
31 lines
849 B
PL/PgSQL
31 lines
849 B
PL/PgSQL
--
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-- Cursors
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--
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-- These tests require track_utility to be enabled.
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SET pg_stat_statements.track_utility = TRUE;
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- DECLARE
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-- SELECT is normalized.
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DECLARE cursor_stats_1 CURSOR WITH HOLD FOR SELECT 1;
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CLOSE cursor_stats_1;
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DECLARE cursor_stats_1 CURSOR WITH HOLD FOR SELECT 2;
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CLOSE cursor_stats_1;
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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() IS NOT NULL AS t;
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-- FETCH
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BEGIN;
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DECLARE cursor_stats_1 CURSOR WITH HOLD FOR SELECT 2;
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DECLARE cursor_stats_2 CURSOR WITH HOLD FOR SELECT 3;
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FETCH 1 IN cursor_stats_1;
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FETCH 1 IN cursor_stats_2;
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CLOSE cursor_stats_1;
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CLOSE cursor_stats_2;
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COMMIT;
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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() IS NOT NULL AS t;
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