1set enable_seqscan=off; 2 3CREATE TABLE test_int2 ( 4 i int2 5); 6 7INSERT INTO test_int2 VALUES (-2),(-1),(0),(1),(2),(3); 8 9CREATE INDEX idx_int2 ON test_int2 USING gin (i); 10 11SELECT * FROM test_int2 WHERE i<1::int2 ORDER BY i; 12SELECT * FROM test_int2 WHERE i<=1::int2 ORDER BY i; 13SELECT * FROM test_int2 WHERE i=1::int2 ORDER BY i; 14SELECT * FROM test_int2 WHERE i>=1::int2 ORDER BY i; 15SELECT * FROM test_int2 WHERE i>1::int2 ORDER BY i; 16