-- 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'; count ------- 249 (1 row) SELECT count(*) FROM bittmp WHERE a <= '011011000100010111011000110000100'; count ------- 250 (1 row) SELECT count(*) FROM bittmp WHERE a = '011011000100010111011000110000100'; count ------- 1 (1 row) SELECT count(*) FROM bittmp WHERE a >= '011011000100010111011000110000100'; count ------- 351 (1 row) SELECT count(*) FROM bittmp WHERE a > '011011000100010111011000110000100'; count ------- 350 (1 row) CREATE INDEX bitidx ON bittmp USING GIST ( a ); SET enable_seqscan=off; SELECT count(*) FROM bittmp WHERE a < '011011000100010111011000110000100'; count ------- 249 (1 row) SELECT count(*) FROM bittmp WHERE a <= '011011000100010111011000110000100'; count ------- 250 (1 row) SELECT count(*) FROM bittmp WHERE a = '011011000100010111011000110000100'; count ------- 1 (1 row) SELECT count(*) FROM bittmp WHERE a >= '011011000100010111011000110000100'; count ------- 351 (1 row) SELECT count(*) FROM bittmp WHERE a > '011011000100010111011000110000100'; count ------- 350 (1 row)