80 lines
3.0 KiB
SQL
80 lines
3.0 KiB
SQL
--
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-- TIME
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--
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CREATE TABLE TIME_TBL (f1 time(2));
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INSERT INTO TIME_TBL VALUES ('00:00');
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INSERT INTO TIME_TBL VALUES ('01:00');
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-- as of 7.4, timezone spec should be accepted and ignored
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INSERT INTO TIME_TBL VALUES ('02:03 PST');
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INSERT INTO TIME_TBL VALUES ('11:59 EDT');
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INSERT INTO TIME_TBL VALUES ('12:00');
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INSERT INTO TIME_TBL VALUES ('12:01');
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INSERT INTO TIME_TBL VALUES ('23:59');
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INSERT INTO TIME_TBL VALUES ('11:59:59.99 PM');
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INSERT INTO TIME_TBL VALUES ('2003-03-07 15:36:39 America/New_York');
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INSERT INTO TIME_TBL VALUES ('2003-07-07 15:36:39 America/New_York');
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-- this should fail (the timezone offset is not known)
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INSERT INTO TIME_TBL VALUES ('15:36:39 America/New_York');
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SELECT f1 AS "Time" FROM TIME_TBL;
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SELECT f1 AS "Three" FROM TIME_TBL WHERE f1 < '05:06:07';
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SELECT f1 AS "Five" FROM TIME_TBL WHERE f1 > '05:06:07';
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SELECT f1 AS "None" FROM TIME_TBL WHERE f1 < '00:00';
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SELECT f1 AS "Eight" FROM TIME_TBL WHERE f1 >= '00:00';
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-- Check edge cases
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SELECT '23:59:59.999999'::time;
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SELECT '23:59:59.9999999'::time; -- rounds up
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SELECT '23:59:60'::time; -- rounds up
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SELECT '24:00:00'::time; -- allowed
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SELECT '24:00:00.01'::time; -- not allowed
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SELECT '23:59:60.01'::time; -- not allowed
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SELECT '24:01:00'::time; -- not allowed
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SELECT '25:00:00'::time; -- not allowed
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-- Test non-error-throwing API
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SELECT pg_input_is_valid('12:00:00', 'time');
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SELECT pg_input_is_valid('25:00:00', 'time');
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SELECT pg_input_is_valid('15:36:39 America/New_York', 'time');
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SELECT * FROM pg_input_error_info('25:00:00', 'time');
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SELECT * FROM pg_input_error_info('15:36:39 America/New_York', 'time');
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--
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-- TIME simple math
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--
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-- We now make a distinction between time and intervals,
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-- and adding two times together makes no sense at all.
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-- Leave in one query to show that it is rejected,
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-- and do the rest of the testing in horology.sql
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-- where we do mixed-type arithmetic. - thomas 2000-12-02
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SELECT f1 + time '00:01' AS "Illegal" FROM TIME_TBL;
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--
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-- test EXTRACT
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--
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SELECT EXTRACT(MICROSECOND FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(MILLISECOND FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(SECOND FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(MINUTE FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(HOUR FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(DAY FROM TIME '2020-05-26 13:30:25.575401'); -- error
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SELECT EXTRACT(FORTNIGHT FROM TIME '2020-05-26 13:30:25.575401'); -- error
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SELECT EXTRACT(TIMEZONE FROM TIME '2020-05-26 13:30:25.575401'); -- error
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SELECT EXTRACT(EPOCH FROM TIME '2020-05-26 13:30:25.575401');
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-- date_part implementation is mostly the same as extract, so only
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-- test a few cases for additional coverage.
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SELECT date_part('microsecond', TIME '2020-05-26 13:30:25.575401');
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SELECT date_part('millisecond', TIME '2020-05-26 13:30:25.575401');
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SELECT date_part('second', TIME '2020-05-26 13:30:25.575401');
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SELECT date_part('epoch', TIME '2020-05-26 13:30:25.575401');
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