mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-21 08:29:39 +08:00
52 lines
839 B
Plaintext
52 lines
839 B
Plaintext
|
set enable_seqscan=off;
|
||
|
CREATE TABLE test_time (
|
||
|
i time
|
||
|
);
|
||
|
INSERT INTO test_time VALUES
|
||
|
( '03:55:08' ),
|
||
|
( '04:55:08' ),
|
||
|
( '05:55:08' ),
|
||
|
( '08:55:08' ),
|
||
|
( '09:55:08' ),
|
||
|
( '10:55:08' )
|
||
|
;
|
||
|
CREATE INDEX idx_time ON test_time USING gin (i);
|
||
|
SELECT * FROM test_time WHERE i<'08:55:08'::time ORDER BY i;
|
||
|
i
|
||
|
----------
|
||
|
03:55:08
|
||
|
04:55:08
|
||
|
05:55:08
|
||
|
(3 rows)
|
||
|
|
||
|
SELECT * FROM test_time WHERE i<='08:55:08'::time ORDER BY i;
|
||
|
i
|
||
|
----------
|
||
|
03:55:08
|
||
|
04:55:08
|
||
|
05:55:08
|
||
|
08:55:08
|
||
|
(4 rows)
|
||
|
|
||
|
SELECT * FROM test_time WHERE i='08:55:08'::time ORDER BY i;
|
||
|
i
|
||
|
----------
|
||
|
08:55:08
|
||
|
(1 row)
|
||
|
|
||
|
SELECT * FROM test_time WHERE i>='08:55:08'::time ORDER BY i;
|
||
|
i
|
||
|
----------
|
||
|
08:55:08
|
||
|
09:55:08
|
||
|
10:55:08
|
||
|
(3 rows)
|
||
|
|
||
|
SELECT * FROM test_time WHERE i>'08:55:08'::time ORDER BY i;
|
||
|
i
|
||
|
----------
|
||
|
09:55:08
|
||
|
10:55:08
|
||
|
(2 rows)
|
||
|
|