-- 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' ;
Messung V0.5 in Prozent C=94 H=93 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-08-08)
¤
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