mirror of https://github.com/postgres/postgres
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
1.9 KiB
73 lines
1.9 KiB
--
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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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-- Normalization of FETCH statements
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BEGIN;
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DECLARE pgss_cursor CURSOR FOR SELECT FROM generate_series(1, 10);
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-- implicit directions
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FETCH pgss_cursor;
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FETCH 1 pgss_cursor;
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FETCH 2 pgss_cursor;
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FETCH -1 pgss_cursor;
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-- explicit NEXT
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FETCH NEXT pgss_cursor;
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-- explicit PRIOR
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FETCH PRIOR pgss_cursor;
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-- explicit FIRST
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FETCH FIRST pgss_cursor;
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-- explicit LAST
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FETCH LAST pgss_cursor;
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-- explicit ABSOLUTE
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FETCH ABSOLUTE 1 pgss_cursor;
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FETCH ABSOLUTE 2 pgss_cursor;
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FETCH ABSOLUTE -1 pgss_cursor;
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-- explicit RELATIVE
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FETCH RELATIVE 1 pgss_cursor;
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FETCH RELATIVE 2 pgss_cursor;
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FETCH RELATIVE -1 pgss_cursor;
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-- explicit FORWARD
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FETCH ALL pgss_cursor;
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-- explicit FORWARD ALL
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FETCH FORWARD ALL pgss_cursor;
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-- explicit FETCH FORWARD
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FETCH FORWARD pgss_cursor;
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FETCH FORWARD 1 pgss_cursor;
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FETCH FORWARD 2 pgss_cursor;
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FETCH FORWARD -1 pgss_cursor;
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-- explicit FETCH BACKWARD
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FETCH BACKWARD pgss_cursor;
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FETCH BACKWARD 1 pgss_cursor;
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FETCH BACKWARD 2 pgss_cursor;
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FETCH BACKWARD -1 pgss_cursor;
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-- explicit BACKWARD ALL
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FETCH BACKWARD ALL pgss_cursor;
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COMMIT;
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SELECT calls, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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