postgresql/contrib/btree_gist/sql/varbit.sql

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2023-05-09 21:11:15 +00:00
-- varbit check
CREATE TABLE varbittmp (a varbit);
\copy varbittmp from 'data/varbit.data'
SET enable_seqscan=on;
SELECT count(*) FROM varbittmp WHERE a < '1110100111010';
SELECT count(*) FROM varbittmp WHERE a <= '1110100111010';
SELECT count(*) FROM varbittmp WHERE a = '1110100111010';
SELECT count(*) FROM varbittmp WHERE a >= '1110100111010';
SELECT count(*) FROM varbittmp WHERE a > '1110100111010';
CREATE INDEX varbitidx ON varbittmp USING GIST ( a );
SET enable_seqscan=off;
SELECT count(*) FROM varbittmp WHERE a < '1110100111010'::varbit;
SELECT count(*) FROM varbittmp WHERE a <= '1110100111010'::varbit;
SELECT count(*) FROM varbittmp WHERE a = '1110100111010'::varbit;
SELECT count(*) FROM varbittmp WHERE a >= '1110100111010'::varbit;
SELECT count(*) FROM varbittmp WHERE a > '1110100111010'::varbit;
-- Test index-only scans
SET enable_bitmapscan=off;
EXPLAIN (COSTS OFF)
SELECT a FROM bittmp WHERE a BETWEEN '1000000' and '1000001';