1
set enable_seqscan=off;
3
CREATE TABLE test_varchar (
7
INSERT INTO test_varchar VALUES ('aaa'),('a'),('abc'),('abb'),('axy'),('xyz');
9
CREATE INDEX idx_varchar ON test_varchar USING gin (i);
11
SELECT * FROM test_varchar WHERE i<'abc'::varchar ORDER BY i;
12
SELECT * FROM test_varchar WHERE i<='abc'::varchar ORDER BY i;
13
SELECT * FROM test_varchar WHERE i='abc'::varchar ORDER BY i;
14
SELECT * FROM test_varchar WHERE i>='abc'::varchar ORDER BY i;
15
SELECT * FROM test_varchar WHERE i>'abc'::varchar ORDER BY i;