postgresql/contrib/btree_gist/expected/int4.out

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2023-05-09 21:11:15 +00:00
-- int4 check
CREATE TABLE int4tmp (a int4);
\copy int4tmp from 'data/int2.data'
SET enable_seqscan=on;
SELECT count(*) FROM int4tmp WHERE a < 237;
count
-------
297
(1 row)
SELECT count(*) FROM int4tmp WHERE a <= 237;
count
-------
298
(1 row)
SELECT count(*) FROM int4tmp WHERE a = 237;
count
-------
1
(1 row)
SELECT count(*) FROM int4tmp WHERE a >= 237;
count
-------
249
(1 row)
SELECT count(*) FROM int4tmp WHERE a > 237;
count
-------
248
(1 row)
SELECT a, a <-> '237' FROM int4tmp ORDER BY a <-> '237' LIMIT 3;
a | ?column?
-----+----------
237 | 0
232 | 5
228 | 9
(3 rows)
CREATE INDEX int4idx ON int4tmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM int4tmp WHERE a < 237::int4;
count
-------
297
(1 row)
SELECT count(*) FROM int4tmp WHERE a <= 237::int4;
count
-------
298
(1 row)
SELECT count(*) FROM int4tmp WHERE a = 237::int4;
count
-------
1
(1 row)
SELECT count(*) FROM int4tmp WHERE a >= 237::int4;
count
-------
249
(1 row)
SELECT count(*) FROM int4tmp WHERE a > 237::int4;
count
-------
248
(1 row)
EXPLAIN (COSTS OFF)
SELECT a, a <-> '237' FROM int4tmp ORDER BY a <-> '237' LIMIT 3;
QUERY PLAN
------------------------------------------------
Limit
-> Index Only Scan using int4idx on int4tmp
Order By: (a <-> 237)
(3 rows)
SELECT a, a <-> '237' FROM int4tmp ORDER BY a <-> '237' LIMIT 3;
a | ?column?
-----+----------
237 | 0
232 | 5
228 | 9
(3 rows)