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132 lines
3.9 KiB
132 lines
3.9 KiB
--
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-- Utility commands
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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();
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pg_stat_statements_reset
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--------------------------
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(1 row)
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SELECT 1;
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?column?
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----------
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1
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(1 row)
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CREATE TEMP TABLE stats_util_tab (a int, b char(20));
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CREATE INDEX test_b ON stats_util_tab(b);
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DROP TABLE stats_util_tab \;
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DROP TABLE IF EXISTS stats_util_tab;
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NOTICE: table "stats_util_tab" does not exist, skipping
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-- This DROP query uses two different strings, still they count as one entry.
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DROP TABLE IF EXISTS stats_util_tab \;
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Drop Table If Exists stats_util_tab;
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NOTICE: table "stats_util_tab" does not exist, skipping
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NOTICE: table "stats_util_tab" does not exist, skipping
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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calls | rows | query
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-------+------+------------------------------------------------------
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1 | 0 | CREATE INDEX test_b ON stats_util_tab(b)
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1 | 0 | CREATE TEMP TABLE stats_util_tab (a int, b char(20))
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3 | 0 | DROP TABLE IF EXISTS stats_util_tab
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1 | 0 | DROP TABLE stats_util_tab
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1 | 1 | SELECT $1
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1 | 1 | SELECT pg_stat_statements_reset()
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(6 rows)
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SELECT pg_stat_statements_reset();
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pg_stat_statements_reset
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--------------------------
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(1 row)
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--
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-- Track the total number of rows retrieved or affected by the utility
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-- commands of COPY, FETCH, CREATE TABLE AS, CREATE MATERIALIZED VIEW,
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-- REFRESH MATERIALIZED VIEW and SELECT INTO
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--
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CREATE TABLE pgss_ctas AS SELECT a, 'ctas' b FROM generate_series(1, 10) a;
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SELECT generate_series(1, 10) c INTO pgss_select_into;
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COPY pgss_ctas (a, b) FROM STDIN;
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CREATE MATERIALIZED VIEW pgss_matv AS SELECT * FROM pgss_ctas;
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REFRESH MATERIALIZED VIEW pgss_matv;
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BEGIN;
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DECLARE pgss_cursor CURSOR FOR SELECT * FROM pgss_matv;
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FETCH NEXT pgss_cursor;
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a | b
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---+------
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1 | ctas
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(1 row)
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FETCH FORWARD 5 pgss_cursor;
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a | b
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---+------
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2 | ctas
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3 | ctas
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4 | ctas
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5 | ctas
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6 | ctas
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(5 rows)
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FETCH FORWARD ALL pgss_cursor;
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a | b
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----+------
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7 | ctas
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8 | ctas
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9 | ctas
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10 | ctas
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11 | copy
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12 | copy
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13 | copy
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(7 rows)
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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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calls | rows | query
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-------+------+----------------------------------------------------------------------------
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1 | 0 | BEGIN
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1 | 0 | COMMIT
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1 | 3 | COPY pgss_ctas (a, b) FROM STDIN
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1 | 13 | CREATE MATERIALIZED VIEW pgss_matv AS SELECT * FROM pgss_ctas
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1 | 10 | CREATE TABLE pgss_ctas AS SELECT a, 'ctas' b FROM generate_series(1, 10) a
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1 | 0 | DECLARE pgss_cursor CURSOR FOR SELECT * FROM pgss_matv
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1 | 5 | FETCH FORWARD 5 pgss_cursor
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1 | 7 | FETCH FORWARD ALL pgss_cursor
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1 | 1 | FETCH NEXT pgss_cursor
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1 | 13 | REFRESH MATERIALIZED VIEW pgss_matv
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1 | 10 | SELECT generate_series(1, 10) c INTO pgss_select_into
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1 | 1 | SELECT pg_stat_statements_reset()
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(12 rows)
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DROP MATERIALIZED VIEW pgss_matv;
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DROP TABLE pgss_ctas;
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DROP TABLE pgss_select_into;
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SELECT pg_stat_statements_reset();
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pg_stat_statements_reset
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--------------------------
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(1 row)
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-- SET statements.
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-- These use two different strings, still they count as one entry.
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SET work_mem = '1MB';
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Set work_mem = '1MB';
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SET work_mem = '2MB';
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RESET work_mem;
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SET enable_seqscan = off;
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SET enable_seqscan = on;
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RESET enable_seqscan;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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calls | rows | query
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-------+------+-----------------------------------
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1 | 0 | RESET enable_seqscan
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1 | 0 | RESET work_mem
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1 | 1 | SELECT pg_stat_statements_reset()
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1 | 0 | SET enable_seqscan = off
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1 | 0 | SET enable_seqscan = on
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2 | 0 | SET work_mem = '1MB'
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1 | 0 | SET work_mem = '2MB'
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(7 rows)
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