openGauss-server/contrib/btree_gist/sql/int4.sql

38 lines
890 B
SQL

-- int4 check
CREATE TABLE int4tmp (a int4);
\copy int4tmp from 'data/int2.data'
SET enable_seqscan=on;
SELECT count(*) FROM int4tmp WHERE a < 237;
SELECT count(*) FROM int4tmp WHERE a <= 237;
SELECT count(*) FROM int4tmp WHERE a = 237;
SELECT count(*) FROM int4tmp WHERE a >= 237;
SELECT count(*) FROM int4tmp WHERE a > 237;
SELECT a, a <-> '237' FROM int4tmp ORDER BY a <-> '237' LIMIT 3;
CREATE INDEX int4idx ON int4tmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM int4tmp WHERE a < 237::int4;
SELECT count(*) FROM int4tmp WHERE a <= 237::int4;
SELECT count(*) FROM int4tmp WHERE a = 237::int4;
SELECT count(*) FROM int4tmp WHERE a >= 237::int4;
SELECT count(*) FROM int4tmp WHERE a > 237::int4;
EXPLAIN (COSTS OFF)
SELECT a, a <-> '237' FROM int4tmp ORDER BY a <-> '237' LIMIT 3;
SELECT a, a <-> '237' FROM int4tmp ORDER BY a <-> '237' LIMIT 3;