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Tag: Branch: Tree: 21a71648d3
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postgres/contrib/btree_gist/sql/date.sql

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-- date check
CREATE TABLE datetmp (a date);
\copy datetmp from 'data/date.data'
SET enable_seqscan=on;
SELECT count(*) FROM datetmp WHERE a < '2001-02-13';
SELECT count(*) FROM datetmp WHERE a <= '2001-02-13';
SELECT count(*) FROM datetmp WHERE a = '2001-02-13';
SELECT count(*) FROM datetmp WHERE a >= '2001-02-13';
SELECT count(*) FROM datetmp WHERE a > '2001-02-13';
SELECT a, a <-> '2001-02-13' FROM datetmp ORDER BY a <-> '2001-02-13' LIMIT 3;
CREATE INDEX dateidx ON datetmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM datetmp WHERE a < '2001-02-13'::date;
SELECT count(*) FROM datetmp WHERE a <= '2001-02-13'::date;
SELECT count(*) FROM datetmp WHERE a = '2001-02-13'::date;
SELECT count(*) FROM datetmp WHERE a >= '2001-02-13'::date;
SELECT count(*) FROM datetmp WHERE a > '2001-02-13'::date;
EXPLAIN (COSTS OFF)
SELECT a, a <-> '2001-02-13' FROM datetmp ORDER BY a <-> '2001-02-13' LIMIT 3;
SELECT a, a <-> '2001-02-13' FROM datetmp ORDER BY a <-> '2001-02-13' LIMIT 3;