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contrib/btree_gist/sql/int2.sql
37 строк
890 B
Heikki Linnakangas
Revert "Add sortsupport for gist_btree opclasses, for faster index builds."
07 апр 2021, 14:33
07 апр 2021, 14:33
d92b1cd
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-- int2 check CREATE TABLE int2tmp (a int2); \copy int2tmp from 'data/int2.data' SET enable_seqscan=on; SELECT count(*) FROM int2tmp WHERE a < 237; SELECT count(*) FROM int2tmp WHERE a <= 237; SELECT count(*) FROM int2tmp WHERE a = 237; SELECT count(*) FROM int2tmp WHERE a >= 237; SELECT count(*) FROM int2tmp WHERE a > 237; SELECT a, a <-> '237' FROM int2tmp ORDER BY a <-> '237' LIMIT 3; CREATE INDEX int2idx ON int2tmp USING gist ( a ); SET enable_seqscan=off; SELECT count(*) FROM int2tmp WHERE a < 237::int2; SELECT count(*) FROM int2tmp WHERE a <= 237::int2; SELECT count(*) FROM int2tmp WHERE a = 237::int2; SELECT count(*) FROM int2tmp WHERE a >= 237::int2; SELECT count(*) FROM int2tmp WHERE a > 237::int2; EXPLAIN (COSTS OFF) SELECT a, a <-> '237' FROM int2tmp ORDER BY a <-> '237' LIMIT 3; SELECT a, a <-> '237' FROM int2tmp ORDER BY a <-> '237' LIMIT 3;