40 lines
1.1 KiB
Plaintext
40 lines
1.1 KiB
Plaintext
--
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-- Tests for parallel statistics
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--
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SELECT setting::integer < 180000 AS skip_test FROM pg_settings where name = 'server_version_num' \gset
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\if :skip_test
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\quit
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\endif
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CREATE EXTENSION pg_stat_monitor;
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SET pgsm.track_utility = FALSE;
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-- encourage use of parallel plans
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SET parallel_setup_cost = 0;
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SET parallel_tuple_cost = 0;
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SET min_parallel_table_scan_size = 0;
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SET max_parallel_workers_per_gather = 2;
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CREATE TABLE pgsm_parallel_tab (a int);
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SELECT pg_stat_monitor_reset() IS NOT NULL AS t;
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t
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---
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t
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(1 row)
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SELECT count(*) FROM pgsm_parallel_tab;
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count
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-------
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0
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(1 row)
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SELECT query,
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parallel_workers_to_launch > 0 AS has_workers_to_launch,
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parallel_workers_launched > 0 AS has_workers_launched
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FROM pg_stat_monitor
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WHERE query ~ 'SELECT count'
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ORDER BY query COLLATE "C";
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query | has_workers_to_launch | has_workers_launched
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----------------------------------------+-----------------------+----------------------
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SELECT count(*) FROM pgsm_parallel_tab | t | t
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(1 row)
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DROP TABLE pgsm_parallel_tab;
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