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Tag: Branch: Tree: c3b011d991
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postgres/contrib/btree_gist/sql/float8.sql

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-- float8 check
CREATE TABLE float8tmp (a float8);
\copy float8tmp from 'data/float8.data'
SET enable_seqscan=on;
SELECT count(*) FROM float8tmp WHERE a < -1890.0;
SELECT count(*) FROM float8tmp WHERE a <= -1890.0;
SELECT count(*) FROM float8tmp WHERE a = -1890.0;
SELECT count(*) FROM float8tmp WHERE a >= -1890.0;
SELECT count(*) FROM float8tmp WHERE a > -1890.0;
SELECT a, a <-> '-1890.0' FROM float8tmp ORDER BY a <-> '-1890.0' LIMIT 3;
CREATE INDEX float8idx ON float8tmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM float8tmp WHERE a < -1890.0::float8;
SELECT count(*) FROM float8tmp WHERE a <= -1890.0::float8;
SELECT count(*) FROM float8tmp WHERE a = -1890.0::float8;
SELECT count(*) FROM float8tmp WHERE a >= -1890.0::float8;
SELECT count(*) FROM float8tmp WHERE a > -1890.0::float8;
EXPLAIN (COSTS OFF)
SELECT a, a <-> '-1890.0' FROM float8tmp ORDER BY a <-> '-1890.0' LIMIT 3;
SELECT a, a <-> '-1890.0' FROM float8tmp ORDER BY a <-> '-1890.0' LIMIT 3;