ydb/yql/essentials/tests/postgresql/cases/time.sql

--
-- TIME
--
CREATE TABLE TIME_TBL (f1 time(2));
INSERT INTO TIME_TBL VALUES ('00:00');
INSERT INTO TIME_TBL VALUES ('01:00');
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 "None" FROM TIME_TBL WHERE f1 < '00:00';
-- Check edge cases
SELECT '23:59:59.999999'::time;
SELECT '23:59:59.9999999'::time;  -- rounds up
SELECT '23:59:60'::time;  -- rounds up
SELECT '24:00:00'::time;  -- allowed
SELECT '24:00:00.01'::time;  -- not allowed
SELECT '23:59:60.01'::time;  -- not allowed
SELECT '24:01:00'::time;  -- not allowed
SELECT '25:00:00'::time;  -- not allowed
--
-- test EXTRACT
--
SELECT EXTRACT(MICROSECOND FROM TIME '2020-05-26 13:30:25.575401');
SELECT EXTRACT(MILLISECOND FROM TIME '2020-05-26 13:30:25.575401');
SELECT EXTRACT(SECOND      FROM TIME '2020-05-26 13:30:25.575401');
SELECT EXTRACT(MINUTE      FROM TIME '2020-05-26 13:30:25.575401');
SELECT EXTRACT(HOUR        FROM TIME '2020-05-26 13:30:25.575401');
SELECT EXTRACT(DAY         FROM TIME '2020-05-26 13:30:25.575401');  -- error
SELECT EXTRACT(FORTNIGHT   FROM TIME '2020-05-26 13:30:25.575401');  -- error
SELECT EXTRACT(TIMEZONE    FROM TIME '2020-05-26 13:30:25.575401');  -- error
SELECT EXTRACT(EPOCH       FROM TIME '2020-05-26 13:30:25.575401');
-- 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');
SELECT date_part('millisecond', TIME '2020-05-26 13:30:25.575401');
SELECT date_part('second',      TIME '2020-05-26 13:30:25.575401');
SELECT date_part('epoch',       TIME '2020-05-26 13:30:25.575401');