INSERTINTO TIMETZ_TBL VALUES ('2003-03-07 15:36:39 America/New_York'); INSERTINTO TIMETZ_TBL VALUES ('2003-07-07 15:36:39 America/New_York'); -- this should fail (the timezone offset is not known) INSERTINTO TIMETZ_TBL VALUES ('15:36:39 America/New_York'); -- this should fail (timezone not specified without a date) INSERTINTO TIMETZ_TBL VALUES ('15:36:39 m2'); -- this should fail (dynamic timezone abbreviation without a date) INSERTINTO TIMETZ_TBL VALUES ('15:36:39 MSK m2');
SELECT f1 AS"Time TZ"FROM TIMETZ_TBL;
SELECT f1 AS"Three"FROM TIMETZ_TBL WHERE f1 < '05:06:07-07';
SELECT f1 AS"Seven"FROM TIMETZ_TBL WHERE f1 > '05:06:07-07';
SELECT f1 AS"None"FROM TIMETZ_TBL WHERE f1 < '00:00-07';
SELECT f1 AS"Ten"FROM TIMETZ_TBL WHERE f1 >= '00:00-07';
-- Check edge cases SELECT'23:59:59.999999 PDT'::timetz; SELECT'23:59:59.9999999 PDT'::timetz; -- rounds up SELECT'23:59:60 PDT'::timetz; -- rounds up SELECT'24:00:00 PDT'::timetz; -- allowed SELECT'24:00:00.01 PDT'::timetz; -- not allowed SELECT'23:59:60.01 PDT'::timetz; -- not allowed SELECT'24:01:00 PDT'::timetz; -- not allowed SELECT'25:00:00 PDT'::timetz; -- not allowed
-- Test non-error-throwing API SELECT pg_input_is_valid('12:00:00 PDT', 'timetz'); SELECT pg_input_is_valid('25:00:00 PDT', 'timetz'); SELECT pg_input_is_valid('15:36:39 America/New_York', 'timetz'); SELECT * FROM pg_input_error_info('25:00:00 PDT', 'timetz'); SELECT * FROM pg_input_error_info('15:36:39 America/New_York', 'timetz');
-- -- 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 with time zone '00:01'AS"Illegal"FROM TIMETZ_TBL;
-- -- test EXTRACT -- SELECT EXTRACT(MICROSECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); SELECT EXTRACT(MILLISECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); SELECT EXTRACT(SECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); SELECT EXTRACT(MINUTE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); SELECT EXTRACT(HOUR FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); SELECT EXTRACT(DAY FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); -- error SELECT EXTRACT(FORTNIGHT FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); -- error SELECT EXTRACT(TIMEZONE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04:30'); SELECT EXTRACT(TIMEZONE_HOUR FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04:30'); SELECT EXTRACT(TIMEZONE_MINUTE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04:30'); SELECT EXTRACT(EPOCH FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
-- date_part implementation is mostly the same as extract, so only -- test a few cases for additional coverage. SELECT date_part('microsecond', TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); SELECT date_part('millisecond', TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); SELECT date_part('second', TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); SELECT date_part('epoch', TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
-- -- Test timetz_zone, timetz_izone, AT LOCAL --
BEGIN; SET LOCAL TimeZone TO'UTC'; CREATE VIEW timetz_local_view AS SELECT f1 AS dat,
timezone(f1) AS dat_func,
f1 AT LOCAL AS dat_at_local,
f1 AT TIME ZONE current_setting('TimeZone') AS dat_at_tz,
f1 AT TIME ZONE INTERVAL'00:00'AS dat_at_int FROM TIMETZ_TBL ORDERBY f1; SELECT pg_get_viewdef('timetz_local_view', true); TABLE timetz_local_view; SELECT f1 AS dat,
f1 AT TIME ZONE 'UTC+10'AS dat_at_tz,
f1 AT TIME ZONE INTERVAL'-10:00'AS dat_at_int FROM TIMETZ_TBL ORDERBY f1;
ROLLBACK;
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(vorverarbeitet am 2026-08-08)
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