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contrib/btree_gist/sql/bit.sql
36 строк
1 KB
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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-- bit check CREATE TABLE bittmp (a bit(33)); \copy bittmp from 'data/bit.data' SET enable_seqscan=on; SELECT count(*) FROM bittmp WHERE a < '011011000100010111011000110000100'; SELECT count(*) FROM bittmp WHERE a <= '011011000100010111011000110000100'; SELECT count(*) FROM bittmp WHERE a = '011011000100010111011000110000100'; SELECT count(*) FROM bittmp WHERE a >= '011011000100010111011000110000100'; SELECT count(*) FROM bittmp WHERE a > '011011000100010111011000110000100'; CREATE INDEX bitidx ON bittmp USING GIST ( a ); SET enable_seqscan=off; SELECT count(*) FROM bittmp WHERE a < '011011000100010111011000110000100'; SELECT count(*) FROM bittmp WHERE a <= '011011000100010111011000110000100'; SELECT count(*) FROM bittmp WHERE a = '011011000100010111011000110000100'; SELECT count(*) FROM bittmp WHERE a >= '011011000100010111011000110000100'; SELECT count(*) FROM bittmp WHERE a > '011011000100010111011000110000100'; -- Test index-only scans SET enable_bitmapscan=off; EXPLAIN (COSTS OFF) SELECT a FROM bittmp WHERE a BETWEEN '1000000' and '1000001';