mirror of https://github.com/postgres/postgres
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.0 KiB
67 lines
1.0 KiB
![]()
21 years ago
|
-- time check
|
||
|
CREATE TABLE timetmp (a time);
|
||
|
\copy timetmp from 'data/time.data'
|
||
|
SET enable_seqscan=on;
|
||
|
SELECT count(*) FROM timetmp WHERE a < '10:57:11';
|
||
|
count
|
||
|
-------
|
||
|
251
|
||
|
(1 row)
|
||
|
|
||
|
SELECT count(*) FROM timetmp WHERE a <= '10:57:11';
|
||
|
count
|
||
|
-------
|
||
|
252
|
||
|
(1 row)
|
||
|
|
||
|
SELECT count(*) FROM timetmp WHERE a = '10:57:11';
|
||
|
count
|
||
|
-------
|
||
|
1
|
||
|
(1 row)
|
||
|
|
||
|
SELECT count(*) FROM timetmp WHERE a >= '10:57:11';
|
||
|
count
|
||
|
-------
|
||
|
293
|
||
|
(1 row)
|
||
|
|
||
|
SELECT count(*) FROM timetmp WHERE a > '10:57:11';
|
||
|
count
|
||
|
-------
|
||
|
292
|
||
|
(1 row)
|
||
|
|
||
|
CREATE INDEX timeidx ON timetmp USING gist ( a );
|
||
|
SET enable_seqscan=off;
|
||
|
SELECT count(*) FROM timetmp WHERE a < '10:57:11'::time;
|
||
|
count
|
||
|
-------
|
||
|
251
|
||
|
(1 row)
|
||
|
|
||
|
SELECT count(*) FROM timetmp WHERE a <= '10:57:11'::time;
|
||
|
count
|
||
|
-------
|
||
|
252
|
||
|
(1 row)
|
||
|
|
||
|
SELECT count(*) FROM timetmp WHERE a = '10:57:11'::time;
|
||
|
count
|
||
|
-------
|
||
|
1
|
||
|
(1 row)
|
||
|
|
||
|
SELECT count(*) FROM timetmp WHERE a >= '10:57:11'::time;
|
||
|
count
|
||
|
-------
|
||
|
293
|
||
|
(1 row)
|
||
|
|
||
|
SELECT count(*) FROM timetmp WHERE a > '10:57:11'::time;
|
||
|
count
|
||
|
-------
|
||
|
292
|
||
|
(1 row)
|
||
|
|