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--
-- TIME
--
CREATE TABLE TIME_TBL (f1 time(2));
INSERT INTO TIME_TBL VALUES ('00:00');
INSERT INTO TIME_TBL VALUES ('01:00');
-- as of 7.4, timezone spec should be accepted and ignored
INSERT INTO TIME_TBL VALUES ('02:03 PST');
INSERT INTO TIME_TBL VALUES ('11:59 EDT');
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');
INSERT INTO TIME_TBL VALUES ('2003-03-07 15:36:39 America/New_York');
INSERT INTO TIME_TBL VALUES ('2003-07-07 15:36:39 America/New_York');
-- this should fail (the timezone offset is not known)
INSERT INTO TIME_TBL VALUES ('15:36:39 America/New_York');
ERROR: invalid input syntax for type time: "15:36:39 America/New_York"
LINE 1: INSERT INTO TIME_TBL VALUES ('15:36:39 America/New_York');
^
SELECT f1 AS "Time" FROM TIME_TBL;
Time
-------------
00:00:00
01:00:00
02:03:00
11:59:00
12:00:00
12:01:00
23:59:00
23:59:59.99
15:36:39
15:36:39
(10 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';
Five
-------------
11:59:00
12:00:00
12:01:00
23:59:00
23:59:59.99
15:36:39
15:36:39
(7 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';
Eight
-------------
00:00:00
01:00:00
02:03:00
11:59:00
12:00:00
12:01:00
23:59:00
23:59:59.99
15:36:39
15:36:39
(10 rows)
-- Check edge cases
SELECT '23:59:59.999999'::time;
time
-----------------
23:59:59.999999
(1 row)
SELECT '23:59:59.9999999'::time; -- rounds up
time
----------
24:00:00
(1 row)
SELECT '23:59:60'::time; -- rounds up
time
----------
24:00:00
(1 row)
SELECT '24:00:00'::time; -- allowed
time
----------
24:00:00
(1 row)
SELECT '24:00:00.01'::time; -- not allowed
ERROR: date/time field value out of range: "24:00:00.01"
LINE 1: SELECT '24:00:00.01'::time;
^
SELECT '23:59:60.01'::time; -- not allowed
ERROR: date/time field value out of range: "23:59:60.01"
LINE 1: SELECT '23:59:60.01'::time;
^
SELECT '24:01:00'::time; -- not allowed
ERROR: date/time field value out of range: "24:01:00"
LINE 1: SELECT '24:01:00'::time;
^
SELECT '25:00:00'::time; -- not allowed
ERROR: date/time field value out of range: "25:00:00"
LINE 1: SELECT '25:00:00'::time;
^
--
-- TIME simple math
--
-- 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;
ERROR: operator is not unique: time without time zone + time without time zone
LINE 1: SELECT f1 + time '00:01' AS "Illegal" FROM TIME_TBL;
^
HINT: Could not choose a best candidate operator. You might need to add explicit type casts.
--
-- test EXTRACT
--
SELECT EXTRACT(MICROSECOND FROM TIME '2020-05-26 13:30:25.575401');
extract
----------
25575401
(1 row)
SELECT EXTRACT(MILLISECOND FROM TIME '2020-05-26 13:30:25.575401');
extract
-----------
25575.401
(1 row)
SELECT EXTRACT(SECOND FROM TIME '2020-05-26 13:30:25.575401');
extract
-----------
25.575401
(1 row)
SELECT EXTRACT(MINUTE FROM TIME '2020-05-26 13:30:25.575401');
extract
---------
30
(1 row)
SELECT EXTRACT(HOUR FROM TIME '2020-05-26 13:30:25.575401');
extract
---------
13
(1 row)
SELECT EXTRACT(DAY FROM TIME '2020-05-26 13:30:25.575401'); -- error
ERROR: "time" units "day" not recognized
SELECT EXTRACT(FORTNIGHT FROM TIME '2020-05-26 13:30:25.575401'); -- error
ERROR: "time" units "fortnight" not recognized
SELECT EXTRACT(TIMEZONE FROM TIME '2020-05-26 13:30:25.575401'); -- error
ERROR: "time" units "timezone" not recognized
SELECT EXTRACT(EPOCH FROM TIME '2020-05-26 13:30:25.575401');
extract
--------------
48625.575401
(1 row)
-- date_part implementation is mostly the same as extract, so only
-- test a few cases for additional coverage.
SELECT date_part('microsecond', TIME '2020-05-26 13:30:25.575401');
date_part
-----------
25575401
(1 row)
SELECT date_part('millisecond', TIME '2020-05-26 13:30:25.575401');
date_part
-----------
25575.401
(1 row)
SELECT date_part('second', TIME '2020-05-26 13:30:25.575401');
date_part
-----------
25.575401
(1 row)
SELECT date_part('epoch', TIME '2020-05-26 13:30:25.575401');
date_part
--------------
48625.575401
(1 row)
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