2000-09-12 07:42:20 +02:00
|
|
|
--
|
|
|
|
-- TIME
|
|
|
|
--
|
2001-10-03 07:29:27 +02:00
|
|
|
CREATE TABLE TIME_TBL (f1 time(2));
|
2001-09-28 10:00:11 +02:00
|
|
|
INSERT INTO TIME_TBL VALUES ('00:00');
|
|
|
|
INSERT INTO TIME_TBL VALUES ('01:00');
|
|
|
|
INSERT INTO TIME_TBL VALUES ('02:03');
|
|
|
|
INSERT INTO TIME_TBL VALUES ('07:07 PST');
|
|
|
|
ERROR: Bad time external representation '07:07 PST'
|
|
|
|
INSERT INTO TIME_TBL VALUES ('08:08 EDT');
|
|
|
|
ERROR: Bad time external representation '08:08 EDT'
|
|
|
|
INSERT INTO TIME_TBL VALUES ('11:59');
|
|
|
|
INSERT INTO TIME_TBL VALUES ('12:00');
|
|
|
|
INSERT INTO TIME_TBL VALUES ('12:01');
|
|
|
|
INSERT INTO TIME_TBL VALUES ('23:59');
|
|
|
|
INSERT INTO TIME_TBL VALUES ('11:59:59.99 PM');
|
|
|
|
SELECT f1 AS "Time" FROM TIME_TBL;
|
2001-10-03 07:29:27 +02:00
|
|
|
Time
|
|
|
|
-------------
|
2001-09-28 10:00:11 +02:00
|
|
|
00:00:00
|
|
|
|
01:00:00
|
|
|
|
02:03:00
|
|
|
|
11:59:00
|
|
|
|
12:00:00
|
|
|
|
12:01:00
|
|
|
|
23:59:00
|
2001-10-03 07:29:27 +02:00
|
|
|
23:59:59.99
|
2000-09-12 07:42:20 +02:00
|
|
|
(8 rows)
|
|
|
|
|
|
|
|
SELECT f1 AS "Three" FROM TIME_TBL WHERE f1 < '05:06:07';
|
|
|
|
Three
|
|
|
|
----------
|
|
|
|
00:00:00
|
|
|
|
01:00:00
|
|
|
|
02:03:00
|
|
|
|
(3 rows)
|
|
|
|
|
|
|
|
SELECT f1 AS "Five" FROM TIME_TBL WHERE f1 > '05:06:07';
|
2001-10-03 07:29:27 +02:00
|
|
|
Five
|
|
|
|
-------------
|
2000-09-12 07:42:20 +02:00
|
|
|
11:59:00
|
|
|
|
12:00:00
|
|
|
|
12:01:00
|
|
|
|
23:59:00
|
2001-10-03 07:29:27 +02:00
|
|
|
23:59:59.99
|
2000-09-12 07:42:20 +02:00
|
|
|
(5 rows)
|
|
|
|
|
|
|
|
SELECT f1 AS "None" FROM TIME_TBL WHERE f1 < '00:00';
|
|
|
|
None
|
|
|
|
------
|
|
|
|
(0 rows)
|
|
|
|
|
|
|
|
SELECT f1 AS "Eight" FROM TIME_TBL WHERE f1 >= '00:00';
|
2001-10-03 07:29:27 +02:00
|
|
|
Eight
|
|
|
|
-------------
|
2000-09-12 07:42:20 +02:00
|
|
|
00:00:00
|
|
|
|
01:00:00
|
|
|
|
02:03:00
|
|
|
|
11:59:00
|
|
|
|
12:00:00
|
|
|
|
12:01:00
|
|
|
|
23:59:00
|
2001-10-03 07:29:27 +02:00
|
|
|
23:59:59.99
|
2000-09-12 07:42:20 +02:00
|
|
|
(8 rows)
|
|
|
|
|
|
|
|
--
|
|
|
|
-- TIME simple math
|
|
|
|
--
|
2000-12-03 15:51:12 +01:00
|
|
|
-- We now make a distinction between time and intervals,
|
|
|
|
-- and adding two times together makes no sense at all.
|
|
|
|
-- Leave in one query to show that it is rejected,
|
|
|
|
-- and do the rest of the testing in horology.sql
|
|
|
|
-- where we do mixed-type arithmetic. - thomas 2000-12-02
|
|
|
|
SELECT f1 + time '00:01' AS "Illegal" FROM TIME_TBL;
|
2001-10-03 21:24:36 +02:00
|
|
|
ERROR: Unable to identify an operator '+' for types 'time without time zone' and 'time without time zone'
|
2000-12-03 15:51:12 +01:00
|
|
|
You will have to retype this query using an explicit cast
|