mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-23 18:07:18 +02:00
45 lines
647 B
Plaintext
45 lines
647 B
Plaintext
set enable_seqscan=off;
|
|
CREATE TABLE test_bit (
|
|
i bit(3)
|
|
);
|
|
INSERT INTO test_bit VALUES ('001'),('010'),('011'),('100'),('101'),('110');
|
|
CREATE INDEX idx_bit ON test_bit USING gin (i);
|
|
SELECT * FROM test_bit WHERE i<'100'::bit(3) ORDER BY i;
|
|
i
|
|
-----
|
|
001
|
|
010
|
|
011
|
|
(3 rows)
|
|
|
|
SELECT * FROM test_bit WHERE i<='100'::bit(3) ORDER BY i;
|
|
i
|
|
-----
|
|
001
|
|
010
|
|
011
|
|
100
|
|
(4 rows)
|
|
|
|
SELECT * FROM test_bit WHERE i='100'::bit(3) ORDER BY i;
|
|
i
|
|
-----
|
|
100
|
|
(1 row)
|
|
|
|
SELECT * FROM test_bit WHERE i>='100'::bit(3) ORDER BY i;
|
|
i
|
|
-----
|
|
100
|
|
101
|
|
110
|
|
(3 rows)
|
|
|
|
SELECT * FROM test_bit WHERE i>'100'::bit(3) ORDER BY i;
|
|
i
|
|
-----
|
|
101
|
|
110
|
|
(2 rows)
|
|
|