2023-03-03 00:46:11 +01:00
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--
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-- Validate WAL generation metrics
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--
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SET pg_stat_statements.track_utility = FALSE;
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CREATE TABLE pgss_wal_tab (a int, b char(20));
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INSERT INTO pgss_wal_tab VALUES(generate_series(1, 10), 'aaa');
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UPDATE pgss_wal_tab SET b = 'bbb' WHERE a > 7;
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DELETE FROM pgss_wal_tab WHERE a > 9;
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DROP TABLE pgss_wal_tab;
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-- Check WAL is generated for the above statements
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SELECT query, calls, rows,
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wal_bytes > 0 as wal_bytes_generated,
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wal_records > 0 as wal_records_generated,
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wal_records >= rows as wal_records_ge_rows
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FROM pg_stat_statements ORDER BY query COLLATE "C";
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2023-11-27 01:50:59 +01:00
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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