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Diffstat (limited to 'src/test/regress/sql/horology.sql')
| -rw-r--r-- | src/test/regress/sql/horology.sql | 570 |
1 files changed, 570 insertions, 0 deletions
diff --git a/src/test/regress/sql/horology.sql b/src/test/regress/sql/horology.sql new file mode 100644 index 0000000..7809111 --- /dev/null +++ b/src/test/regress/sql/horology.sql @@ -0,0 +1,570 @@ +-- +-- HOROLOGY +-- +SET DateStyle = 'Postgres, MDY'; + +SHOW TimeZone; -- Many of these tests depend on the prevailing setting + +-- +-- Test various input formats +-- +SELECT timestamp with time zone '20011227 040506+08'; +SELECT timestamp with time zone '20011227 040506-08'; +SELECT timestamp with time zone '20011227 040506.789+08'; +SELECT timestamp with time zone '20011227 040506.789-08'; +SELECT timestamp with time zone '20011227T040506+08'; +SELECT timestamp with time zone '20011227T040506-08'; +SELECT timestamp with time zone '20011227T040506.789+08'; +SELECT timestamp with time zone '20011227T040506.789-08'; +SELECT timestamp with time zone '2001-12-27 04:05:06.789-08'; +SELECT timestamp with time zone '2001.12.27 04:05:06.789-08'; +SELECT timestamp with time zone '2001/12/27 04:05:06.789-08'; +SELECT timestamp with time zone '12/27/2001 04:05:06.789-08'; +-- should fail in mdy mode: +SELECT timestamp with time zone '27/12/2001 04:05:06.789-08'; +set datestyle to dmy; +SELECT timestamp with time zone '27/12/2001 04:05:06.789-08'; +reset datestyle; +SELECT timestamp with time zone 'Y2001M12D27H04M05S06.789+08'; +SELECT timestamp with time zone 'Y2001M12D27H04M05S06.789-08'; +SELECT timestamp with time zone 'Y2001M12D27H04MM05S06.789+08'; +SELECT timestamp with time zone 'Y2001M12D27H04MM05S06.789-08'; +SELECT timestamp with time zone 'J2452271+08'; +SELECT timestamp with time zone 'J2452271-08'; +SELECT timestamp with time zone 'J2452271.5+08'; +SELECT timestamp with time zone 'J2452271.5-08'; +SELECT timestamp with time zone 'J2452271 04:05:06+08'; +SELECT timestamp with time zone 'J2452271 04:05:06-08'; +SELECT timestamp with time zone 'J2452271T040506+08'; +SELECT timestamp with time zone 'J2452271T040506-08'; +SELECT timestamp with time zone 'J2452271T040506.789+08'; +SELECT timestamp with time zone 'J2452271T040506.789-08'; +-- German/European-style dates with periods as delimiters +SELECT timestamp with time zone '12.27.2001 04:05:06.789+08'; +SELECT timestamp with time zone '12.27.2001 04:05:06.789-08'; +SET DateStyle = 'German'; +SELECT timestamp with time zone '27.12.2001 04:05:06.789+08'; +SELECT timestamp with time zone '27.12.2001 04:05:06.789-08'; +SET DateStyle = 'ISO'; +-- As of 7.4, allow time without time zone having a time zone specified +SELECT time without time zone '040506.789+08'; +SELECT time without time zone '040506.789-08'; +SELECT time without time zone 'T040506.789+08'; +SELECT time without time zone 'T040506.789-08'; +SELECT time with time zone '040506.789+08'; +SELECT time with time zone '040506.789-08'; +SELECT time with time zone 'T040506.789+08'; +SELECT time with time zone 'T040506.789-08'; +SELECT time with time zone 'T040506.789 +08'; +SELECT time with time zone 'T040506.789 -08'; +SET DateStyle = 'Postgres, MDY'; +-- Check Julian dates BC +SELECT date 'J1520447' AS "Confucius' Birthday"; +SELECT date 'J0' AS "Julian Epoch"; + +-- +-- date, time arithmetic +-- + +SELECT date '1981-02-03' + time '04:05:06' AS "Date + Time"; +SELECT date '1991-02-03' + time with time zone '04:05:06 PST' AS "Date + Time PST"; +SELECT date '2001-02-03' + time with time zone '04:05:06 UTC' AS "Date + Time UTC"; +SELECT date '1991-02-03' + interval '2 years' AS "Add Two Years"; +SELECT date '2001-12-13' - interval '2 years' AS "Subtract Two Years"; +-- subtract time from date should not make sense; use interval instead +SELECT date '1991-02-03' - time '04:05:06' AS "Subtract Time"; +SELECT date '1991-02-03' - time with time zone '04:05:06 UTC' AS "Subtract Time UTC"; + +-- +-- timestamp, interval arithmetic +-- + +SELECT timestamp without time zone '1996-03-01' - interval '1 second' AS "Feb 29"; +SELECT timestamp without time zone '1999-03-01' - interval '1 second' AS "Feb 28"; +SELECT timestamp without time zone '2000-03-01' - interval '1 second' AS "Feb 29"; +SELECT timestamp without time zone '1999-12-01' + interval '1 month - 1 second' AS "Dec 31"; +SELECT timestamp without time zone 'Jan 1, 4713 BC' + interval '106000000 days' AS "Feb 23, 285506"; +SELECT timestamp without time zone 'Jan 1, 4713 BC' + interval '107000000 days' AS "Jan 20, 288244"; +SELECT timestamp without time zone 'Jan 1, 4713 BC' + interval '109203489 days' AS "Dec 31, 294276"; +SELECT timestamp without time zone '12/31/294276' - timestamp without time zone '12/23/1999' AS "106751991 Days"; + +-- Shorthand values +-- Not directly usable for regression testing since these are not constants. +-- So, just try to test parser and hope for the best - thomas 97/04/26 +SELECT (timestamp without time zone 'today' = (timestamp without time zone 'yesterday' + interval '1 day')) as "True"; +SELECT (timestamp without time zone 'today' = (timestamp without time zone 'tomorrow' - interval '1 day')) as "True"; +SELECT (timestamp without time zone 'today 10:30' = (timestamp without time zone 'yesterday' + interval '1 day 10 hr 30 min')) as "True"; +SELECT (timestamp without time zone '10:30 today' = (timestamp without time zone 'yesterday' + interval '1 day 10 hr 30 min')) as "True"; +SELECT (timestamp without time zone 'tomorrow' = (timestamp without time zone 'yesterday' + interval '2 days')) as "True"; +SELECT (timestamp without time zone 'tomorrow 16:00:00' = (timestamp without time zone 'today' + interval '1 day 16 hours')) as "True"; +SELECT (timestamp without time zone '16:00:00 tomorrow' = (timestamp without time zone 'today' + interval '1 day 16 hours')) as "True"; +SELECT (timestamp without time zone 'yesterday 12:34:56' = (timestamp without time zone 'tomorrow' - interval '2 days - 12:34:56')) as "True"; +SELECT (timestamp without time zone '12:34:56 yesterday' = (timestamp without time zone 'tomorrow' - interval '2 days - 12:34:56')) as "True"; +SELECT (timestamp without time zone 'tomorrow' > 'now') as "True"; + +-- Convert from date and time to timestamp +-- This test used to be timestamp(date,time) but no longer allowed by grammar +-- to enable support for SQL99 timestamp type syntax. +SELECT date '1994-01-01' + time '11:00' AS "Jan_01_1994_11am"; +SELECT date '1994-01-01' + time '10:00' AS "Jan_01_1994_10am"; +SELECT date '1994-01-01' + timetz '11:00-5' AS "Jan_01_1994_8am"; +SELECT timestamptz(date '1994-01-01', time with time zone '11:00-5') AS "Jan_01_1994_8am"; + +SELECT d1 + interval '1 year' AS one_year FROM TIMESTAMP_TBL; +SELECT d1 - interval '1 year' AS one_year FROM TIMESTAMP_TBL; + +SELECT timestamp with time zone '1996-03-01' - interval '1 second' AS "Feb 29"; +SELECT timestamp with time zone '1999-03-01' - interval '1 second' AS "Feb 28"; +SELECT timestamp with time zone '2000-03-01' - interval '1 second' AS "Feb 29"; +SELECT timestamp with time zone '1999-12-01' + interval '1 month - 1 second' AS "Dec 31"; + +SELECT (timestamp with time zone 'today' = (timestamp with time zone 'yesterday' + interval '1 day')) as "True"; +SELECT (timestamp with time zone 'today' = (timestamp with time zone 'tomorrow' - interval '1 day')) as "True"; +SELECT (timestamp with time zone 'tomorrow' = (timestamp with time zone 'yesterday' + interval '2 days')) as "True"; +SELECT (timestamp with time zone 'tomorrow' > 'now') as "True"; + +-- timestamp with time zone, interval arithmetic around DST change +-- (just for fun, let's use an intentionally nonstandard POSIX zone spec) +SET TIME ZONE 'CST7CDT,M4.1.0,M10.5.0'; +SELECT timestamp with time zone '2005-04-02 12:00-07' + interval '1 day' as "Apr 3, 12:00"; +SELECT timestamp with time zone '2005-04-02 12:00-07' + interval '24 hours' as "Apr 3, 13:00"; +SELECT timestamp with time zone '2005-04-03 12:00-06' - interval '1 day' as "Apr 2, 12:00"; +SELECT timestamp with time zone '2005-04-03 12:00-06' - interval '24 hours' as "Apr 2, 11:00"; +RESET TIME ZONE; + + +SELECT timestamptz(date '1994-01-01', time '11:00') AS "Jan_01_1994_10am"; +SELECT timestamptz(date '1994-01-01', time '10:00') AS "Jan_01_1994_9am"; +SELECT timestamptz(date '1994-01-01', time with time zone '11:00-8') AS "Jan_01_1994_11am"; +SELECT timestamptz(date '1994-01-01', time with time zone '10:00-8') AS "Jan_01_1994_10am"; +SELECT timestamptz(date '1994-01-01', time with time zone '11:00-5') AS "Jan_01_1994_8am"; + +SELECT d1 + interval '1 year' AS one_year FROM TIMESTAMPTZ_TBL; +SELECT d1 - interval '1 year' AS one_year FROM TIMESTAMPTZ_TBL; + +-- +-- time, interval arithmetic +-- + +SELECT CAST(time '01:02' AS interval) AS "+01:02"; +SELECT CAST(interval '02:03' AS time) AS "02:03:00"; +SELECT time '01:30' + interval '02:01' AS "03:31:00"; +SELECT time '01:30' - interval '02:01' AS "23:29:00"; +SELECT time '02:30' + interval '36:01' AS "14:31:00"; +SELECT time '03:30' + interval '1 month 04:01' AS "07:31:00"; +SELECT CAST(time with time zone '01:02-08' AS interval) AS "+00:01"; +SELECT CAST(interval '02:03' AS time with time zone) AS "02:03:00-08"; +SELECT time with time zone '01:30-08' - interval '02:01' AS "23:29:00-08"; +SELECT time with time zone '02:30-08' + interval '36:01' AS "14:31:00-08"; + +-- These two tests cannot be used because they default to current timezone, +-- which may be either -08 or -07 depending on the time of year. +-- SELECT time with time zone '01:30' + interval '02:01' AS "03:31:00-08"; +-- SELECT time with time zone '03:30' + interval '1 month 04:01' AS "07:31:00-08"; +-- Try the following two tests instead, as a poor substitute + +SELECT CAST(CAST(date 'today' + time with time zone '05:30' + + interval '02:01' AS time with time zone) AS time) AS "07:31:00"; + +SELECT CAST(cast(date 'today' + time with time zone '03:30' + + interval '1 month 04:01' as timestamp without time zone) AS time) AS "07:31:00"; + +SELECT t.d1 AS t, i.f1 AS i, t.d1 + i.f1 AS "add", t.d1 - i.f1 AS "subtract" + FROM TIMESTAMP_TBL t, INTERVAL_TBL i + WHERE t.d1 BETWEEN '1990-01-01' AND '2001-01-01' + AND i.f1 BETWEEN '00:00' AND '23:00' + ORDER BY 1,2; + +SELECT t.f1 AS t, i.f1 AS i, t.f1 + i.f1 AS "add", t.f1 - i.f1 AS "subtract" + FROM TIME_TBL t, INTERVAL_TBL i + ORDER BY 1,2; + +SELECT t.f1 AS t, i.f1 AS i, t.f1 + i.f1 AS "add", t.f1 - i.f1 AS "subtract" + FROM TIMETZ_TBL t, INTERVAL_TBL i + ORDER BY 1,2; + +-- SQL9x OVERLAPS operator +-- test with time zone +SELECT (timestamp with time zone '2000-11-27', timestamp with time zone '2000-11-28') + OVERLAPS (timestamp with time zone '2000-11-27 12:00', timestamp with time zone '2000-11-30') AS "True"; + +SELECT (timestamp with time zone '2000-11-26', timestamp with time zone '2000-11-27') + OVERLAPS (timestamp with time zone '2000-11-27 12:00', timestamp with time zone '2000-11-30') AS "False"; + +SELECT (timestamp with time zone '2000-11-27', timestamp with time zone '2000-11-28') + OVERLAPS (timestamp with time zone '2000-11-27 12:00', interval '1 day') AS "True"; + +SELECT (timestamp with time zone '2000-11-27', interval '12 hours') + OVERLAPS (timestamp with time zone '2000-11-27 12:00', timestamp with time zone '2000-11-30') AS "False"; + +SELECT (timestamp with time zone '2000-11-27', interval '12 hours') + OVERLAPS (timestamp with time zone '2000-11-27', interval '12 hours') AS "True"; + +SELECT (timestamp with time zone '2000-11-27', interval '12 hours') + OVERLAPS (timestamp with time zone '2000-11-27 12:00', interval '12 hours') AS "False"; + +-- test without time zone +SELECT (timestamp without time zone '2000-11-27', timestamp without time zone '2000-11-28') + OVERLAPS (timestamp without time zone '2000-11-27 12:00', timestamp without time zone '2000-11-30') AS "True"; + +SELECT (timestamp without time zone '2000-11-26', timestamp without time zone '2000-11-27') + OVERLAPS (timestamp without time zone '2000-11-27 12:00', timestamp without time zone '2000-11-30') AS "False"; + +SELECT (timestamp without time zone '2000-11-27', timestamp without time zone '2000-11-28') + OVERLAPS (timestamp without time zone '2000-11-27 12:00', interval '1 day') AS "True"; + +SELECT (timestamp without time zone '2000-11-27', interval '12 hours') + OVERLAPS (timestamp without time zone '2000-11-27 12:00', timestamp without time zone '2000-11-30') AS "False"; + +SELECT (timestamp without time zone '2000-11-27', interval '12 hours') + OVERLAPS (timestamp without time zone '2000-11-27', interval '12 hours') AS "True"; + +SELECT (timestamp without time zone '2000-11-27', interval '12 hours') + OVERLAPS (timestamp without time zone '2000-11-27 12:00', interval '12 hours') AS "False"; + +-- test time and interval +SELECT (time '00:00', time '01:00') + OVERLAPS (time '00:30', time '01:30') AS "True"; + +SELECT (time '00:00', interval '1 hour') + OVERLAPS (time '00:30', interval '1 hour') AS "True"; + +SELECT (time '00:00', interval '1 hour') + OVERLAPS (time '01:30', interval '1 hour') AS "False"; + +-- SQL99 seems to want this to be false (and we conform to the spec). +-- istm that this *should* return true, on the theory that time +-- intervals can wrap around the day boundary - thomas 2001-09-25 +SELECT (time '00:00', interval '1 hour') + OVERLAPS (time '01:30', interval '1 day') AS "False"; + +CREATE TABLE TEMP_TIMESTAMP (f1 timestamp with time zone); + +-- get some candidate input values + +INSERT INTO TEMP_TIMESTAMP (f1) + SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 BETWEEN '13-jun-1957' AND '1-jan-1997' + OR d1 BETWEEN '1-jan-1999' AND '1-jan-2010'; + +SELECT f1 AS "timestamp" + FROM TEMP_TIMESTAMP + ORDER BY "timestamp"; + +SELECT d.f1 AS "timestamp", t.f1 AS "interval", d.f1 + t.f1 AS plus + FROM TEMP_TIMESTAMP d, INTERVAL_TBL t + ORDER BY plus, "timestamp", "interval"; + +SELECT d.f1 AS "timestamp", t.f1 AS "interval", d.f1 - t.f1 AS minus + FROM TEMP_TIMESTAMP d, INTERVAL_TBL t + WHERE isfinite(d.f1) + ORDER BY minus, "timestamp", "interval"; + +SELECT d.f1 AS "timestamp", + timestamp with time zone '1980-01-06 00:00 GMT' AS gpstime_zero, + d.f1 - timestamp with time zone '1980-01-06 00:00 GMT' AS difference + FROM TEMP_TIMESTAMP d + ORDER BY difference; + +SELECT d1.f1 AS timestamp1, d2.f1 AS timestamp2, d1.f1 - d2.f1 AS difference + FROM TEMP_TIMESTAMP d1, TEMP_TIMESTAMP d2 + ORDER BY timestamp1, timestamp2, difference; + +-- +-- Conversions +-- + +SELECT f1 AS "timestamp", date(f1) AS date + FROM TEMP_TIMESTAMP + WHERE f1 <> timestamp 'now' + ORDER BY date, "timestamp"; + +DROP TABLE TEMP_TIMESTAMP; + +-- +-- Comparisons between datetime types, especially overflow cases +--- + +SELECT '2202020-10-05'::date::timestamp; -- fail +SELECT '2202020-10-05'::date > '2020-10-05'::timestamp as t; +SELECT '2020-10-05'::timestamp > '2202020-10-05'::date as f; + +SELECT '2202020-10-05'::date::timestamptz; -- fail +SELECT '2202020-10-05'::date > '2020-10-05'::timestamptz as t; +SELECT '2020-10-05'::timestamptz > '2202020-10-05'::date as f; + +-- This conversion may work depending on timezone +SELECT '4714-11-24 BC'::date::timestamptz; +SET TimeZone = 'UTC-2'; +SELECT '4714-11-24 BC'::date::timestamptz; -- fail + +SELECT '4714-11-24 BC'::date < '2020-10-05'::timestamptz as t; +SELECT '2020-10-05'::timestamptz >= '4714-11-24 BC'::date as t; + +SELECT '4714-11-24 BC'::timestamp < '2020-10-05'::timestamptz as t; +SELECT '2020-10-05'::timestamptz >= '4714-11-24 BC'::timestamp as t; + +RESET TimeZone; + +-- +-- Formats +-- + +SET DateStyle TO 'US,Postgres'; + +SHOW DateStyle; + +SELECT d1 AS us_postgres FROM TIMESTAMP_TBL; + +SET DateStyle TO 'US,ISO'; + +SELECT d1 AS us_iso FROM TIMESTAMP_TBL; + +SET DateStyle TO 'US,SQL'; + +SHOW DateStyle; + +SELECT d1 AS us_sql FROM TIMESTAMP_TBL; + +SET DateStyle TO 'European,Postgres'; + +SHOW DateStyle; + +INSERT INTO TIMESTAMP_TBL VALUES('13/06/1957'); + +SELECT count(*) as one FROM TIMESTAMP_TBL WHERE d1 = 'Jun 13 1957'; + +SELECT d1 AS european_postgres FROM TIMESTAMP_TBL; + +SET DateStyle TO 'European,ISO'; + +SHOW DateStyle; + +SELECT d1 AS european_iso FROM TIMESTAMP_TBL; + +SET DateStyle TO 'European,SQL'; + +SHOW DateStyle; + +SELECT d1 AS european_sql FROM TIMESTAMP_TBL; + +RESET DateStyle; + +-- +-- to_timestamp() +-- + +SELECT to_timestamp('0097/Feb/16 --> 08:14:30', 'YYYY/Mon/DD --> HH:MI:SS'); + +SELECT to_timestamp('97/2/16 8:14:30', 'FMYYYY/FMMM/FMDD FMHH:FMMI:FMSS'); + +SELECT to_timestamp('2011$03!18 23_38_15', 'YYYY-MM-DD HH24:MI:SS'); + +SELECT to_timestamp('1985 January 12', 'YYYY FMMonth DD'); + +SELECT to_timestamp('1985 FMMonth 12', 'YYYY "FMMonth" DD'); + +SELECT to_timestamp('1985 \ 12', 'YYYY \\ DD'); + +SELECT to_timestamp('My birthday-> Year: 1976, Month: May, Day: 16', + '"My birthday-> Year:" YYYY, "Month:" FMMonth, "Day:" DD'); + +SELECT to_timestamp('1,582nd VIII 21', 'Y,YYYth FMRM DD'); + +SELECT to_timestamp('15 "text between quote marks" 98 54 45', + E'HH24 "\\"text between quote marks\\"" YY MI SS'); + +SELECT to_timestamp('05121445482000', 'MMDDHH24MISSYYYY'); + +SELECT to_timestamp('2000January09Sunday', 'YYYYFMMonthDDFMDay'); + +SELECT to_timestamp('97/Feb/16', 'YYMonDD'); + +SELECT to_timestamp('97/Feb/16', 'YY:Mon:DD'); + +SELECT to_timestamp('97/Feb/16', 'FXYY:Mon:DD'); + +SELECT to_timestamp('97/Feb/16', 'FXYY/Mon/DD'); + +SELECT to_timestamp('19971116', 'YYYYMMDD'); + +SELECT to_timestamp('20000-1116', 'YYYY-MMDD'); + +SELECT to_timestamp('1997 AD 11 16', 'YYYY BC MM DD'); +SELECT to_timestamp('1997 BC 11 16', 'YYYY BC MM DD'); + +SELECT to_timestamp('1997 A.D. 11 16', 'YYYY B.C. MM DD'); +SELECT to_timestamp('1997 B.C. 11 16', 'YYYY B.C. MM DD'); + +SELECT to_timestamp('9-1116', 'Y-MMDD'); + +SELECT to_timestamp('95-1116', 'YY-MMDD'); + +SELECT to_timestamp('995-1116', 'YYY-MMDD'); + +SELECT to_timestamp('2005426', 'YYYYWWD'); + +SELECT to_timestamp('2005300', 'YYYYDDD'); + +SELECT to_timestamp('2005527', 'IYYYIWID'); + +SELECT to_timestamp('005527', 'IYYIWID'); + +SELECT to_timestamp('05527', 'IYIWID'); + +SELECT to_timestamp('5527', 'IIWID'); + +SELECT to_timestamp('2005364', 'IYYYIDDD'); + +SELECT to_timestamp('20050302', 'YYYYMMDD'); + +SELECT to_timestamp('2005 03 02', 'YYYYMMDD'); + +SELECT to_timestamp(' 2005 03 02', 'YYYYMMDD'); + +SELECT to_timestamp(' 20050302', 'YYYYMMDD'); + +SELECT to_timestamp('2011-12-18 11:38 AM', 'YYYY-MM-DD HH12:MI PM'); +SELECT to_timestamp('2011-12-18 11:38 PM', 'YYYY-MM-DD HH12:MI PM'); + +SELECT to_timestamp('2011-12-18 11:38 A.M.', 'YYYY-MM-DD HH12:MI P.M.'); +SELECT to_timestamp('2011-12-18 11:38 P.M.', 'YYYY-MM-DD HH12:MI P.M.'); + +SELECT to_timestamp('2011-12-18 11:38 +05', 'YYYY-MM-DD HH12:MI TZH'); +SELECT to_timestamp('2011-12-18 11:38 -05', 'YYYY-MM-DD HH12:MI TZH'); +SELECT to_timestamp('2011-12-18 11:38 +05:20', 'YYYY-MM-DD HH12:MI TZH:TZM'); +SELECT to_timestamp('2011-12-18 11:38 -05:20', 'YYYY-MM-DD HH12:MI TZH:TZM'); +SELECT to_timestamp('2011-12-18 11:38 20', 'YYYY-MM-DD HH12:MI TZM'); + +SELECT to_timestamp('2011-12-18 11:38 PST', 'YYYY-MM-DD HH12:MI TZ'); -- NYI + +SELECT to_timestamp('2018-11-02 12:34:56.025', 'YYYY-MM-DD HH24:MI:SS.MS'); + +SELECT i, to_timestamp('2018-11-02 12:34:56', 'YYYY-MM-DD HH24:MI:SS.FF' || i) FROM generate_series(1, 6) i; +SELECT i, to_timestamp('2018-11-02 12:34:56.1', 'YYYY-MM-DD HH24:MI:SS.FF' || i) FROM generate_series(1, 6) i; +SELECT i, to_timestamp('2018-11-02 12:34:56.12', 'YYYY-MM-DD HH24:MI:SS.FF' || i) FROM generate_series(1, 6) i; +SELECT i, to_timestamp('2018-11-02 12:34:56.123', 'YYYY-MM-DD HH24:MI:SS.FF' || i) FROM generate_series(1, 6) i; +SELECT i, to_timestamp('2018-11-02 12:34:56.1234', 'YYYY-MM-DD HH24:MI:SS.FF' || i) FROM generate_series(1, 6) i; +SELECT i, to_timestamp('2018-11-02 12:34:56.12345', 'YYYY-MM-DD HH24:MI:SS.FF' || i) FROM generate_series(1, 6) i; +SELECT i, to_timestamp('2018-11-02 12:34:56.123456', 'YYYY-MM-DD HH24:MI:SS.FF' || i) FROM generate_series(1, 6) i; +SELECT i, to_timestamp('2018-11-02 12:34:56.123456789', 'YYYY-MM-DD HH24:MI:SS.FF' || i) FROM generate_series(1, 6) i; + +SELECT to_date('1 4 1902', 'Q MM YYYY'); -- Q is ignored +SELECT to_date('3 4 21 01', 'W MM CC YY'); +SELECT to_date('2458872', 'J'); + +-- +-- Check handling of BC dates +-- + +SELECT to_date('44-02-01 BC','YYYY-MM-DD BC'); +SELECT to_date('-44-02-01','YYYY-MM-DD'); +SELECT to_date('-44-02-01 BC','YYYY-MM-DD BC'); +SELECT to_timestamp('44-02-01 11:12:13 BC','YYYY-MM-DD HH24:MI:SS BC'); +SELECT to_timestamp('-44-02-01 11:12:13','YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('-44-02-01 11:12:13 BC','YYYY-MM-DD HH24:MI:SS BC'); + +-- +-- Check handling of multiple spaces in format and/or input +-- + +SELECT to_timestamp('2011-12-18 23:38:15', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2011-12-18 23:38:15', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2011-12-18 23:38:15', 'YYYY-MM-DD HH24:MI:SS'); + +SELECT to_timestamp('2011-12-18 23:38:15', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2011-12-18 23:38:15', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2011-12-18 23:38:15', 'YYYY-MM-DD HH24:MI:SS'); + +SELECT to_timestamp('2000+ JUN', 'YYYY/MON'); +SELECT to_timestamp(' 2000 +JUN', 'YYYY/MON'); +SELECT to_timestamp(' 2000 +JUN', 'YYYY//MON'); +SELECT to_timestamp('2000 +JUN', 'YYYY//MON'); +SELECT to_timestamp('2000 + JUN', 'YYYY MON'); +SELECT to_timestamp('2000 ++ JUN', 'YYYY MON'); +SELECT to_timestamp('2000 + + JUN', 'YYYY MON'); +SELECT to_timestamp('2000 + + JUN', 'YYYY MON'); +SELECT to_timestamp('2000 -10', 'YYYY TZH'); +SELECT to_timestamp('2000 -10', 'YYYY TZH'); + +SELECT to_date('2011 12 18', 'YYYY MM DD'); +SELECT to_date('2011 12 18', 'YYYY MM DD'); +SELECT to_date('2011 12 18', 'YYYY MM DD'); + +SELECT to_date('2011 12 18', 'YYYY MM DD'); +SELECT to_date('2011 12 18', 'YYYY MM DD'); +SELECT to_date('2011 12 18', 'YYYY MM DD'); + +SELECT to_date('2011 12 18', 'YYYYxMMxDD'); +SELECT to_date('2011x 12x 18', 'YYYYxMMxDD'); +SELECT to_date('2011 x12 x18', 'YYYYxMMxDD'); + +-- +-- Check errors for some incorrect usages of to_timestamp() and to_date() +-- + +-- Mixture of date conventions (ISO week and Gregorian): +SELECT to_timestamp('2005527', 'YYYYIWID'); + +-- Insufficient characters in the source string: +SELECT to_timestamp('19971', 'YYYYMMDD'); + +-- Insufficient digit characters for a single node: +SELECT to_timestamp('19971)24', 'YYYYMMDD'); + +-- We don't accept full-length day or month names if short form is specified: +SELECT to_timestamp('Friday 1-January-1999', 'DY DD MON YYYY'); +SELECT to_timestamp('Fri 1-January-1999', 'DY DD MON YYYY'); +SELECT to_timestamp('Fri 1-Jan-1999', 'DY DD MON YYYY'); -- ok + +-- Value clobbering: +SELECT to_timestamp('1997-11-Jan-16', 'YYYY-MM-Mon-DD'); + +-- Non-numeric input: +SELECT to_timestamp('199711xy', 'YYYYMMDD'); + +-- Input that doesn't fit in an int: +SELECT to_timestamp('10000000000', 'FMYYYY'); + +-- Out-of-range and not-quite-out-of-range fields: +SELECT to_timestamp('2016-06-13 25:00:00', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2016-06-13 15:60:00', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2016-06-13 15:50:60', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2016-06-13 15:50:55', 'YYYY-MM-DD HH24:MI:SS'); -- ok +SELECT to_timestamp('2016-06-13 15:50:55', 'YYYY-MM-DD HH:MI:SS'); +SELECT to_timestamp('2016-13-01 15:50:55', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2016-02-30 15:50:55', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2016-02-29 15:50:55', 'YYYY-MM-DD HH24:MI:SS'); -- ok +SELECT to_timestamp('2015-02-29 15:50:55', 'YYYY-MM-DD HH24:MI:SS'); +SELECT to_timestamp('2015-02-11 86000', 'YYYY-MM-DD SSSS'); -- ok +SELECT to_timestamp('2015-02-11 86400', 'YYYY-MM-DD SSSS'); +SELECT to_timestamp('2015-02-11 86000', 'YYYY-MM-DD SSSSS'); -- ok +SELECT to_timestamp('2015-02-11 86400', 'YYYY-MM-DD SSSSS'); +SELECT to_date('2016-13-10', 'YYYY-MM-DD'); +SELECT to_date('2016-02-30', 'YYYY-MM-DD'); +SELECT to_date('2016-02-29', 'YYYY-MM-DD'); -- ok +SELECT to_date('2015-02-29', 'YYYY-MM-DD'); +SELECT to_date('2015 365', 'YYYY DDD'); -- ok +SELECT to_date('2015 366', 'YYYY DDD'); +SELECT to_date('2016 365', 'YYYY DDD'); -- ok +SELECT to_date('2016 366', 'YYYY DDD'); -- ok +SELECT to_date('2016 367', 'YYYY DDD'); +SELECT to_date('0000-02-01','YYYY-MM-DD'); -- allowed, though it shouldn't be + +-- +-- Check behavior with SQL-style fixed-GMT-offset time zone (cf bug #8572) +-- + +SET TIME ZONE 'America/New_York'; +SET TIME ZONE '-1.5'; + +SHOW TIME ZONE; + +SELECT '2012-12-12 12:00'::timestamptz; +SELECT '2012-12-12 12:00 America/New_York'::timestamptz; + +SELECT to_char('2012-12-12 12:00'::timestamptz, 'YYYY-MM-DD HH:MI:SS TZ'); +SELECT to_char('2012-12-12 12:00'::timestamptz, 'YYYY-MM-DD SSSS'); +SELECT to_char('2012-12-12 12:00'::timestamptz, 'YYYY-MM-DD SSSSS'); + +RESET TIME ZONE; |