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Diffstat (limited to 'src/test/regress/sql/timestamptz.sql')
| -rw-r--r-- | src/test/regress/sql/timestamptz.sql | 621 |
1 files changed, 621 insertions, 0 deletions
diff --git a/src/test/regress/sql/timestamptz.sql b/src/test/regress/sql/timestamptz.sql new file mode 100644 index 0000000..69b36d0 --- /dev/null +++ b/src/test/regress/sql/timestamptz.sql @@ -0,0 +1,621 @@ +-- +-- TIMESTAMPTZ +-- + +CREATE TABLE TIMESTAMPTZ_TBL (d1 timestamp(2) with time zone); + +-- Test shorthand input values +-- We can't just "select" the results since they aren't constants; test for +-- equality instead. We can do that by running the test inside a transaction +-- block, within which the value of 'now' shouldn't change, and so these +-- related values shouldn't either. + +BEGIN; + +INSERT INTO TIMESTAMPTZ_TBL VALUES ('today'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('yesterday'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow EST'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow zulu'); + +SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'today'; +SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'tomorrow'; +SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'yesterday'; +SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'tomorrow EST'; +SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'tomorrow zulu'; + +COMMIT; + +DELETE FROM TIMESTAMPTZ_TBL; + +-- Verify that 'now' *does* change over a reasonable interval such as 100 msec, +-- and that it doesn't change over the same interval within a transaction block + +INSERT INTO TIMESTAMPTZ_TBL VALUES ('now'); +SELECT pg_sleep(0.1); + +BEGIN; +INSERT INTO TIMESTAMPTZ_TBL VALUES ('now'); +SELECT pg_sleep(0.1); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('now'); +SELECT pg_sleep(0.1); +SELECT count(*) AS two FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp(2) with time zone 'now'; +SELECT count(d1) AS three, count(DISTINCT d1) AS two FROM TIMESTAMPTZ_TBL; +COMMIT; + +TRUNCATE TIMESTAMPTZ_TBL; + +-- Special values +INSERT INTO TIMESTAMPTZ_TBL VALUES ('-infinity'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('infinity'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('epoch'); + +SELECT timestamptz 'infinity' = timestamptz '+infinity' AS t; + +-- Postgres v6.0 standard output format +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST'); + +-- Variations on Postgres v6.1 standard output format +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.999999 1997 PST'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.4 1997 PST'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.5 1997 PST'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.6 1997 PST'); + +-- ISO 8601 format +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-01-02'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-01-02 03:04:05'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01-08'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01-0800'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01 -08:00'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 -0800'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-06-10 17:32:01 -07:00'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('2001-09-22T18:19:20'); + +-- POSIX format (note that the timezone abbrev is just decoration here) +INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 08:14:01 GMT+8'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 13:14:02 GMT-1'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 12:14:03 GMT-2'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 03:14:04 PST+8'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 02:14:05 MST+7:00'); + +-- Variations for acceptable input formats +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997 -0800'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 5:32PM 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997/02/10 17:32:01-0800'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01 PST'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb-10-1997 17:32:01 PST'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('02-10-1997 17:32:01 PST'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 PST'); +set datestyle to ymd; +INSERT INTO TIMESTAMPTZ_TBL VALUES ('97FEB10 5:32:01PM UTC'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('97/02/10 17:32:01 UTC'); +reset datestyle; +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997.041 17:32:01 UTC'); + +-- timestamps at different timezones +INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 America/New_York'); +SELECT '19970210 173201' AT TIME ZONE 'America/New_York'; +INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970710 173201 America/New_York'); +SELECT '19970710 173201' AT TIME ZONE 'America/New_York'; +INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970710 173201 America/Does_not_exist'); +SELECT '19970710 173201' AT TIME ZONE 'America/Does_not_exist'; + +-- Daylight saving time for timestamps beyond 32-bit time_t range. +SELECT '20500710 173201 Europe/Helsinki'::timestamptz; -- DST +SELECT '20500110 173201 Europe/Helsinki'::timestamptz; -- non-DST + +SELECT '205000-07-10 17:32:01 Europe/Helsinki'::timestamptz; -- DST +SELECT '205000-01-10 17:32:01 Europe/Helsinki'::timestamptz; -- non-DST + +-- Test non-error-throwing API +SELECT pg_input_is_valid('now', 'timestamptz'); +SELECT pg_input_is_valid('garbage', 'timestamptz'); +SELECT pg_input_is_valid('2001-01-01 00:00 Nehwon/Lankhmar', 'timestamptz'); +SELECT * FROM pg_input_error_info('garbage', 'timestamptz'); +SELECT * FROM pg_input_error_info('2001-01-01 00:00 Nehwon/Lankhmar', 'timestamptz'); + +-- Check date conversion and date arithmetic +INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-06-10 18:32:01 PDT'); + +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 11 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 12 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 13 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 14 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 15 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1997'); + +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0097 BC'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0097'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0597'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1097'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1697'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1797'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1897'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 2097'); + +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 28 17:32:01 1996'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 29 17:32:01 1996'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mar 01 17:32:01 1996'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 30 17:32:01 1996'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1996'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 28 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 29 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mar 01 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 30 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1997'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1999'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 2000'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 2000'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 2001'); + +-- Currently unsupported syntax and ranges +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 -0097'); +INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 5097 BC'); + +-- Alternative field order that we've historically supported (sort of) +-- with regular and POSIXy timezone specs +SELECT 'Wed Jul 11 10:51:14 America/New_York 2001'::timestamptz; +SELECT 'Wed Jul 11 10:51:14 GMT-4 2001'::timestamptz; +SELECT 'Wed Jul 11 10:51:14 GMT+4 2001'::timestamptz; +SELECT 'Wed Jul 11 10:51:14 PST-03:00 2001'::timestamptz; +SELECT 'Wed Jul 11 10:51:14 PST+03:00 2001'::timestamptz; + +SELECT d1 FROM TIMESTAMPTZ_TBL; + +-- Check behavior at the boundaries of the timestamp range +SELECT '4714-11-24 00:00:00+00 BC'::timestamptz; +SELECT '4714-11-23 16:00:00-08 BC'::timestamptz; +SELECT 'Sun Nov 23 16:00:00 4714 PST BC'::timestamptz; +SELECT '4714-11-23 23:59:59+00 BC'::timestamptz; -- out of range +SELECT '294276-12-31 23:59:59+00'::timestamptz; +SELECT '294276-12-31 15:59:59-08'::timestamptz; +SELECT '294277-01-01 00:00:00+00'::timestamptz; -- out of range +SELECT '294277-12-31 16:00:00-08'::timestamptz; -- out of range + +-- Demonstrate functions and operators +SELECT d1 FROM TIMESTAMPTZ_TBL + WHERE d1 > timestamp with time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMPTZ_TBL + WHERE d1 < timestamp with time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMPTZ_TBL + WHERE d1 = timestamp with time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMPTZ_TBL + WHERE d1 != timestamp with time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMPTZ_TBL + WHERE d1 <= timestamp with time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMPTZ_TBL + WHERE d1 >= timestamp with time zone '1997-01-02'; + +SELECT d1 - timestamp with time zone '1997-01-02' AS diff + FROM TIMESTAMPTZ_TBL WHERE d1 BETWEEN '1902-01-01' AND '2038-01-01'; + +SELECT date_trunc( 'week', timestamp with time zone '2004-02-29 15:44:17.71393' ) AS week_trunc; + +SELECT date_trunc('day', timestamp with time zone '2001-02-16 20:38:40+00', 'Australia/Sydney') as sydney_trunc; -- zone name +SELECT date_trunc('day', timestamp with time zone '2001-02-16 20:38:40+00', 'GMT') as gmt_trunc; -- fixed-offset abbreviation +SELECT date_trunc('day', timestamp with time zone '2001-02-16 20:38:40+00', 'VET') as vet_trunc; -- variable-offset abbreviation + +-- verify date_bin behaves the same as date_trunc for relevant intervals +SELECT + str, + interval, + date_trunc(str, ts, 'Australia/Sydney') = date_bin(interval::interval, ts, timestamp with time zone '2001-01-01+11') AS equal +FROM ( + VALUES + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamptz '2020-02-29 15:44:17.71393+00')) ts (ts); + +-- bin timestamps into arbitrary intervals +SELECT + interval, + ts, + origin, + date_bin(interval::interval, ts, origin) +FROM ( + VALUES + ('15 days'), + ('2 hours'), + ('1 hour 30 minutes'), + ('15 minutes'), + ('10 seconds'), + ('100 milliseconds'), + ('250 microseconds') +) intervals (interval), +(VALUES (timestamptz '2020-02-11 15:44:17.71393')) ts (ts), +(VALUES (timestamptz '2001-01-01')) origin (origin); + +-- shift bins using the origin parameter: +SELECT date_bin('5 min'::interval, timestamptz '2020-02-01 01:01:01+00', timestamptz '2020-02-01 00:02:30+00'); + +-- disallow intervals with months or years +SELECT date_bin('5 months'::interval, timestamp with time zone '2020-02-01 01:01:01+00', timestamp with time zone '2001-01-01+00'); +SELECT date_bin('5 years'::interval, timestamp with time zone '2020-02-01 01:01:01+00', timestamp with time zone '2001-01-01+00'); + +-- disallow zero intervals +SELECT date_bin('0 days'::interval, timestamp with time zone '1970-01-01 01:00:00+00' , timestamp with time zone '1970-01-01 00:00:00+00'); + +-- disallow negative intervals +SELECT date_bin('-2 days'::interval, timestamp with time zone '1970-01-01 01:00:00+00' , timestamp with time zone '1970-01-01 00:00:00+00'); + +-- Test casting within a BETWEEN qualifier +SELECT d1 - timestamp with time zone '1997-01-02' AS diff + FROM TIMESTAMPTZ_TBL + WHERE d1 BETWEEN timestamp with time zone '1902-01-01' AND timestamp with time zone '2038-01-01'; + +-- DATE_PART (timestamptz_part) +SELECT d1 as timestamptz, + date_part( 'year', d1) AS year, date_part( 'month', d1) AS month, + date_part( 'day', d1) AS day, date_part( 'hour', d1) AS hour, + date_part( 'minute', d1) AS minute, date_part( 'second', d1) AS second + FROM TIMESTAMPTZ_TBL; + +SELECT d1 as timestamptz, + date_part( 'quarter', d1) AS quarter, date_part( 'msec', d1) AS msec, + date_part( 'usec', d1) AS usec + FROM TIMESTAMPTZ_TBL; + +SELECT d1 as timestamptz, + date_part( 'isoyear', d1) AS isoyear, date_part( 'week', d1) AS week, + date_part( 'isodow', d1) AS isodow, date_part( 'dow', d1) AS dow, + date_part( 'doy', d1) AS doy + FROM TIMESTAMPTZ_TBL; + +SELECT d1 as timestamptz, + date_part( 'decade', d1) AS decade, + date_part( 'century', d1) AS century, + date_part( 'millennium', d1) AS millennium, + round(date_part( 'julian', d1)) AS julian, + date_part( 'epoch', d1) AS epoch + FROM TIMESTAMPTZ_TBL; + +SELECT d1 as timestamptz, + date_part( 'timezone', d1) AS timezone, + date_part( 'timezone_hour', d1) AS timezone_hour, + date_part( 'timezone_minute', d1) AS timezone_minute + FROM TIMESTAMPTZ_TBL; + +-- extract implementation is mostly the same as date_part, so only +-- test a few cases for additional coverage. +SELECT d1 as "timestamp", + extract(microseconds from d1) AS microseconds, + extract(milliseconds from d1) AS milliseconds, + extract(seconds from d1) AS seconds, + round(extract(julian from d1)) AS julian, + extract(epoch from d1) AS epoch + FROM TIMESTAMPTZ_TBL; + +-- value near upper bound uses special case in code +SELECT date_part('epoch', '294270-01-01 00:00:00+00'::timestamptz); +SELECT extract(epoch from '294270-01-01 00:00:00+00'::timestamptz); +-- another internal overflow test case +SELECT extract(epoch from '5000-01-01 00:00:00+00'::timestamptz); + +-- test edge-case overflow in timestamp subtraction +SELECT timestamptz '294276-12-31 23:59:59 UTC' - timestamptz '1999-12-23 19:59:04.224193 UTC' AS ok; +SELECT timestamptz '294276-12-31 23:59:59 UTC' - timestamptz '1999-12-23 19:59:04.224192 UTC' AS overflows; + +-- TO_CHAR() +SELECT to_char(d1, 'DAY Day day DY Dy dy MONTH Month month RM MON Mon mon') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'FMDAY FMDay FMday FMMONTH FMMonth FMmonth FMRM') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'Y,YYY YYYY YYY YY Y CC Q MM WW DDD DD D J') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'FMY,YYY FMYYYY FMYYY FMYY FMY FMCC FMQ FMMM FMWW FMDDD FMDD FMD FMJ') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'HH HH12 HH24 MI SS SSSS') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, E'"HH:MI:SS is" HH:MI:SS "\\"text between quote marks\\""') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'HH24--text--MI--text--SS') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'YYYYTH YYYYth Jth') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'YYYY A.D. YYYY a.d. YYYY bc HH:MI:SS P.M. HH:MI:SS p.m. HH:MI:SS pm') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'IYYY IYY IY I IW IDDD ID') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID') + FROM TIMESTAMPTZ_TBL; + +SELECT to_char(d, 'FF1 FF2 FF3 FF4 FF5 FF6 ff1 ff2 ff3 ff4 ff5 ff6 MS US') + FROM (VALUES + ('2018-11-02 12:34:56'::timestamptz), + ('2018-11-02 12:34:56.78'), + ('2018-11-02 12:34:56.78901'), + ('2018-11-02 12:34:56.78901234') + ) d(d); + +-- Check OF, TZH, TZM with various zone offsets, particularly fractional hours +SET timezone = '00:00'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +SET timezone = '+02:00'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +SET timezone = '-13:00'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +SET timezone = '-00:30'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +SET timezone = '00:30'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +SET timezone = '-04:30'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +SET timezone = '04:30'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +SET timezone = '-04:15'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +SET timezone = '04:15'; +SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; +RESET timezone; + +-- Check of, tzh, tzm with various zone offsets. +SET timezone = '00:00'; +SELECT to_char(now(), 'of') as "Of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +SET timezone = '+02:00'; +SELECT to_char(now(), 'of') as "of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +SET timezone = '-13:00'; +SELECT to_char(now(), 'of') as "of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +SET timezone = '-00:30'; +SELECT to_char(now(), 'of') as "of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +SET timezone = '00:30'; +SELECT to_char(now(), 'of') as "of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +SET timezone = '-04:30'; +SELECT to_char(now(), 'of') as "of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +SET timezone = '04:30'; +SELECT to_char(now(), 'of') as "of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +SET timezone = '-04:15'; +SELECT to_char(now(), 'of') as "of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +SET timezone = '04:15'; +SELECT to_char(now(), 'of') as "of", to_char(now(), 'tzh:tzm') as "tzh:tzm"; +RESET timezone; + + +CREATE TABLE TIMESTAMPTZ_TST (a int , b timestamptz); + +-- Test year field value with len > 4 +INSERT INTO TIMESTAMPTZ_TST VALUES(1, 'Sat Mar 12 23:58:48 1000 IST'); +INSERT INTO TIMESTAMPTZ_TST VALUES(2, 'Sat Mar 12 23:58:48 10000 IST'); +INSERT INTO TIMESTAMPTZ_TST VALUES(3, 'Sat Mar 12 23:58:48 100000 IST'); +INSERT INTO TIMESTAMPTZ_TST VALUES(3, '10000 Mar 12 23:58:48 IST'); +INSERT INTO TIMESTAMPTZ_TST VALUES(4, '100000312 23:58:48 IST'); +INSERT INTO TIMESTAMPTZ_TST VALUES(4, '1000000312 23:58:48 IST'); +--Verify data +SELECT * FROM TIMESTAMPTZ_TST ORDER BY a; +--Cleanup +DROP TABLE TIMESTAMPTZ_TST; + +-- test timestamptz constructors +set TimeZone to 'America/New_York'; + +-- numeric timezone +SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33); +SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '+2'); +SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '-2'); +WITH tzs (tz) AS (VALUES + ('+1'), ('+1:'), ('+1:0'), ('+100'), ('+1:00'), ('+01:00'), + ('+10'), ('+1000'), ('+10:'), ('+10:0'), ('+10:00'), ('+10:00:'), + ('+10:00:1'), ('+10:00:01'), + ('+10:00:10')) + SELECT make_timestamptz(2010, 2, 27, 3, 45, 00, tz), tz FROM tzs; + +-- these should fail +SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '2'); +SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, '+16'); +SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, '-16'); + +-- should be true +SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '+2') = '1973-07-15 08:15:55.33+02'::timestamptz; + +-- full timezone names +SELECT make_timestamptz(2014, 12, 10, 0, 0, 0, 'Europe/Prague') = timestamptz '2014-12-10 00:00:00 Europe/Prague'; +SELECT make_timestamptz(2014, 12, 10, 0, 0, 0, 'Europe/Prague') AT TIME ZONE 'UTC'; +SELECT make_timestamptz(1846, 12, 10, 0, 0, 0, 'Asia/Manila') AT TIME ZONE 'UTC'; +SELECT make_timestamptz(1881, 12, 10, 0, 0, 0, 'Europe/Paris') AT TIME ZONE 'UTC'; +SELECT make_timestamptz(1910, 12, 24, 0, 0, 0, 'Nehwon/Lankhmar'); + +-- abbreviations +SELECT make_timestamptz(2008, 12, 10, 10, 10, 10, 'EST'); +SELECT make_timestamptz(2008, 12, 10, 10, 10, 10, 'EDT'); +SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, 'PST8PDT'); + +RESET TimeZone; + +-- generate_series for timestamptz +select * from generate_series('2020-01-01 00:00'::timestamptz, + '2020-01-02 03:00'::timestamptz, + '1 hour'::interval); +-- the LIMIT should allow this to terminate in a reasonable amount of time +-- (but that unfortunately doesn't work yet for SELECT * FROM ...) +select generate_series('2022-01-01 00:00'::timestamptz, + 'infinity'::timestamptz, + '1 month'::interval) limit 10; +-- errors +select * from generate_series('2020-01-01 00:00'::timestamptz, + '2020-01-02 03:00'::timestamptz, + '0 hour'::interval); + +-- Interval crossing time shift for Europe/Warsaw timezone (with DST) +SET TimeZone to 'UTC'; + +SELECT date_add('2022-10-30 00:00:00+01'::timestamptz, + '1 day'::interval); +SELECT date_add('2021-10-31 00:00:00+02'::timestamptz, + '1 day'::interval, + 'Europe/Warsaw'); +SELECT date_subtract('2022-10-30 00:00:00+01'::timestamptz, + '1 day'::interval); +SELECT date_subtract('2021-10-31 00:00:00+02'::timestamptz, + '1 day'::interval, + 'Europe/Warsaw'); +SELECT * FROM generate_series('2021-12-31 23:00:00+00'::timestamptz, + '2020-12-31 23:00:00+00'::timestamptz, + '-1 month'::interval, + 'Europe/Warsaw'); +RESET TimeZone; + +-- +-- Test behavior with a dynamic (time-varying) timezone abbreviation. +-- These tests rely on the knowledge that MSK (Europe/Moscow standard time) +-- moved forwards in Mar 2011 and backwards again in Oct 2014. +-- + +SET TimeZone to 'UTC'; + +SELECT '2011-03-27 00:00:00 Europe/Moscow'::timestamptz; +SELECT '2011-03-27 01:00:00 Europe/Moscow'::timestamptz; +SELECT '2011-03-27 01:59:59 Europe/Moscow'::timestamptz; +SELECT '2011-03-27 02:00:00 Europe/Moscow'::timestamptz; +SELECT '2011-03-27 02:00:01 Europe/Moscow'::timestamptz; +SELECT '2011-03-27 02:59:59 Europe/Moscow'::timestamptz; +SELECT '2011-03-27 03:00:00 Europe/Moscow'::timestamptz; +SELECT '2011-03-27 03:00:01 Europe/Moscow'::timestamptz; +SELECT '2011-03-27 04:00:00 Europe/Moscow'::timestamptz; + +SELECT '2011-03-27 00:00:00 MSK'::timestamptz; +SELECT '2011-03-27 01:00:00 MSK'::timestamptz; +SELECT '2011-03-27 01:59:59 MSK'::timestamptz; +SELECT '2011-03-27 02:00:00 MSK'::timestamptz; +SELECT '2011-03-27 02:00:01 MSK'::timestamptz; +SELECT '2011-03-27 02:59:59 MSK'::timestamptz; +SELECT '2011-03-27 03:00:00 MSK'::timestamptz; +SELECT '2011-03-27 03:00:01 MSK'::timestamptz; +SELECT '2011-03-27 04:00:00 MSK'::timestamptz; + +SELECT '2014-10-26 00:00:00 Europe/Moscow'::timestamptz; +SELECT '2014-10-26 00:59:59 Europe/Moscow'::timestamptz; +SELECT '2014-10-26 01:00:00 Europe/Moscow'::timestamptz; +SELECT '2014-10-26 01:00:01 Europe/Moscow'::timestamptz; +SELECT '2014-10-26 02:00:00 Europe/Moscow'::timestamptz; + +SELECT '2014-10-26 00:00:00 MSK'::timestamptz; +SELECT '2014-10-26 00:59:59 MSK'::timestamptz; +SELECT '2014-10-26 01:00:00 MSK'::timestamptz; +SELECT '2014-10-26 01:00:01 MSK'::timestamptz; +SELECT '2014-10-26 02:00:00 MSK'::timestamptz; + +SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; + +SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'MSK'; +SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'MSK'; +SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'MSK'; +SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'MSK'; +SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'MSK'; +SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'MSK'; +SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'MSK'; +SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'MSK'; +SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'MSK'; + +SELECT '2014-10-26 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2014-10-26 00:59:59'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2014-10-26 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2014-10-26 01:00:01'::timestamp AT TIME ZONE 'Europe/Moscow'; +SELECT '2014-10-26 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; + +SELECT '2014-10-26 00:00:00'::timestamp AT TIME ZONE 'MSK'; +SELECT '2014-10-26 00:59:59'::timestamp AT TIME ZONE 'MSK'; +SELECT '2014-10-26 01:00:00'::timestamp AT TIME ZONE 'MSK'; +SELECT '2014-10-26 01:00:01'::timestamp AT TIME ZONE 'MSK'; +SELECT '2014-10-26 02:00:00'::timestamp AT TIME ZONE 'MSK'; + +SELECT make_timestamptz(2014, 10, 26, 0, 0, 0, 'MSK'); +SELECT make_timestamptz(2014, 10, 26, 1, 0, 0, 'MSK'); + +SELECT to_timestamp( 0); -- 1970-01-01 00:00:00+00 +SELECT to_timestamp( 946684800); -- 2000-01-01 00:00:00+00 +SELECT to_timestamp(1262349296.7890123); -- 2010-01-01 12:34:56.789012+00 +-- edge cases +SELECT to_timestamp(-210866803200); -- 4714-11-24 00:00:00+00 BC +-- upper limit varies between integer and float timestamps, so hard to test +-- nonfinite values +SELECT to_timestamp(' Infinity'::float); +SELECT to_timestamp('-Infinity'::float); +SELECT to_timestamp('NaN'::float); + + +SET TimeZone to 'Europe/Moscow'; + +SELECT '2011-03-26 21:00:00 UTC'::timestamptz; +SELECT '2011-03-26 22:00:00 UTC'::timestamptz; +SELECT '2011-03-26 22:59:59 UTC'::timestamptz; +SELECT '2011-03-26 23:00:00 UTC'::timestamptz; +SELECT '2011-03-26 23:00:01 UTC'::timestamptz; +SELECT '2011-03-26 23:59:59 UTC'::timestamptz; +SELECT '2011-03-27 00:00:00 UTC'::timestamptz; + +SELECT '2014-10-25 21:00:00 UTC'::timestamptz; +SELECT '2014-10-25 21:59:59 UTC'::timestamptz; +SELECT '2014-10-25 22:00:00 UTC'::timestamptz; +SELECT '2014-10-25 22:00:01 UTC'::timestamptz; +SELECT '2014-10-25 23:00:00 UTC'::timestamptz; + +RESET TimeZone; + +SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; + +SELECT '2014-10-25 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2014-10-25 21:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2014-10-25 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2014-10-25 22:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; +SELECT '2014-10-25 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; + +SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; + +SELECT '2014-10-25 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2014-10-25 21:59:59 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2014-10-25 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2014-10-25 22:00:01 UTC'::timestamptz AT TIME ZONE 'MSK'; +SELECT '2014-10-25 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; + +-- +-- Test that AT TIME ZONE isn't misoptimized when using an index (bug #14504) +-- +create temp table tmptz (f1 timestamptz primary key); +insert into tmptz values ('2017-01-18 00:00+00'); +explain (costs off) +select * from tmptz where f1 at time zone 'utc' = '2017-01-18 00:00'; +select * from tmptz where f1 at time zone 'utc' = '2017-01-18 00:00'; |