1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
set enable_seqscan=off;
CREATE TABLE test_date (
i date
);
INSERT INTO test_date VALUES
( '2004-10-23' ),
( '2004-10-24' ),
( '2004-10-25' ),
( '2004-10-26' ),
( '2004-10-27' ),
( '2004-10-28' )
;
CREATE INDEX idx_date ON test_date USING gin (i);
SELECT * FROM test_date WHERE i<'2004-10-26'::date ORDER BY i;
i
------------
10-23-2004
10-24-2004
10-25-2004
(3 rows)
SELECT * FROM test_date WHERE i<='2004-10-26'::date ORDER BY i;
i
------------
10-23-2004
10-24-2004
10-25-2004
10-26-2004
(4 rows)
SELECT * FROM test_date WHERE i='2004-10-26'::date ORDER BY i;
i
------------
10-26-2004
(1 row)
SELECT * FROM test_date WHERE i>='2004-10-26'::date ORDER BY i;
i
------------
10-26-2004
10-27-2004
10-28-2004
(3 rows)
SELECT * FROM test_date WHERE i>'2004-10-26'::date ORDER BY i;
i
------------
10-27-2004
10-28-2004
(2 rows)
|
