1set enable_seqscan=off;
2
3CREATE TABLE test_int4 (
4	i int4
5);
6
7INSERT INTO test_int4 VALUES (-2),(-1),(0),(1),(2),(3);
8
9CREATE INDEX idx_int4 ON test_int4 USING gin (i);
10
11SELECT * FROM test_int4 WHERE i<1::int4 ORDER BY i;
12SELECT * FROM test_int4 WHERE i<=1::int4 ORDER BY i;
13SELECT * FROM test_int4 WHERE i=1::int4 ORDER BY i;
14SELECT * FROM test_int4 WHERE i>=1::int4 ORDER BY i;
15SELECT * FROM test_int4 WHERE i>1::int4 ORDER BY i;
16