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)
|
||
|
|