1-- 2-- TIMESTAMPTZ 3-- 4 5CREATE TABLE TIMESTAMPTZ_TBL (d1 timestamp(2) with time zone); 6 7-- Test shorthand input values 8-- We can't just "select" the results since they aren't constants; test for 9-- equality instead. We can do that by running the test inside a transaction 10-- block, within which the value of 'now' shouldn't change, and so these 11-- related values shouldn't either. 12 13BEGIN; 14 15INSERT INTO TIMESTAMPTZ_TBL VALUES ('today'); 16INSERT INTO TIMESTAMPTZ_TBL VALUES ('yesterday'); 17INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow'); 18INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow EST'); 19INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow zulu'); 20 21SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'today'; 22SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'tomorrow'; 23SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'yesterday'; 24SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'tomorrow EST'; 25SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'tomorrow zulu'; 26 27COMMIT; 28 29DELETE FROM TIMESTAMPTZ_TBL; 30 31-- Verify that 'now' *does* change over a reasonable interval such as 100 msec, 32-- and that it doesn't change over the same interval within a transaction block 33 34INSERT INTO TIMESTAMPTZ_TBL VALUES ('now'); 35SELECT pg_sleep(0.1); 36 37BEGIN; 38INSERT INTO TIMESTAMPTZ_TBL VALUES ('now'); 39SELECT pg_sleep(0.1); 40INSERT INTO TIMESTAMPTZ_TBL VALUES ('now'); 41SELECT pg_sleep(0.1); 42SELECT count(*) AS two FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp(2) with time zone 'now'; 43SELECT count(d1) AS three, count(DISTINCT d1) AS two FROM TIMESTAMPTZ_TBL; 44COMMIT; 45 46TRUNCATE TIMESTAMPTZ_TBL; 47 48-- Special values 49INSERT INTO TIMESTAMPTZ_TBL VALUES ('-infinity'); 50INSERT INTO TIMESTAMPTZ_TBL VALUES ('infinity'); 51INSERT INTO TIMESTAMPTZ_TBL VALUES ('epoch'); 52 53-- Postgres v6.0 standard output format 54INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST'); 55 56-- Variations on Postgres v6.1 standard output format 57INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST'); 58INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.999999 1997 PST'); 59INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.4 1997 PST'); 60INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.5 1997 PST'); 61INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.6 1997 PST'); 62 63-- ISO 8601 format 64INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-01-02'); 65INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-01-02 03:04:05'); 66INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01-08'); 67INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01-0800'); 68INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01 -08:00'); 69INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 -0800'); 70INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-06-10 17:32:01 -07:00'); 71INSERT INTO TIMESTAMPTZ_TBL VALUES ('2001-09-22T18:19:20'); 72 73-- POSIX format (note that the timezone abbrev is just decoration here) 74INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 08:14:01 GMT+8'); 75INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 13:14:02 GMT-1'); 76INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 12:14:03 GMT-2'); 77INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 03:14:04 PST+8'); 78INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 02:14:05 MST+7:00'); 79 80-- Variations for acceptable input formats 81INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997 -0800'); 82INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997'); 83INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 5:32PM 1997'); 84INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997/02/10 17:32:01-0800'); 85INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01 PST'); 86INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb-10-1997 17:32:01 PST'); 87INSERT INTO TIMESTAMPTZ_TBL VALUES ('02-10-1997 17:32:01 PST'); 88INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 PST'); 89set datestyle to ymd; 90INSERT INTO TIMESTAMPTZ_TBL VALUES ('97FEB10 5:32:01PM UTC'); 91INSERT INTO TIMESTAMPTZ_TBL VALUES ('97/02/10 17:32:01 UTC'); 92reset datestyle; 93INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997.041 17:32:01 UTC'); 94 95-- timestamps at different timezones 96INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 America/New_York'); 97SELECT '19970210 173201' AT TIME ZONE 'America/New_York'; 98INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970710 173201 America/New_York'); 99SELECT '19970710 173201' AT TIME ZONE 'America/New_York'; 100INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970710 173201 America/Does_not_exist'); 101SELECT '19970710 173201' AT TIME ZONE 'America/Does_not_exist'; 102 103-- Daylight saving time for timestamps beyond 32-bit time_t range. 104SELECT '20500710 173201 Europe/Helsinki'::timestamptz; -- DST 105SELECT '20500110 173201 Europe/Helsinki'::timestamptz; -- non-DST 106 107SELECT '205000-07-10 17:32:01 Europe/Helsinki'::timestamptz; -- DST 108SELECT '205000-01-10 17:32:01 Europe/Helsinki'::timestamptz; -- non-DST 109 110-- Check date conversion and date arithmetic 111INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-06-10 18:32:01 PDT'); 112 113INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997'); 114INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 11 17:32:01 1997'); 115INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 12 17:32:01 1997'); 116INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 13 17:32:01 1997'); 117INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 14 17:32:01 1997'); 118INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 15 17:32:01 1997'); 119INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1997'); 120 121INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0097 BC'); 122INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0097'); 123INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0597'); 124INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1097'); 125INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1697'); 126INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1797'); 127INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1897'); 128INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1997'); 129INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 2097'); 130 131INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 28 17:32:01 1996'); 132INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 29 17:32:01 1996'); 133INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mar 01 17:32:01 1996'); 134INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 30 17:32:01 1996'); 135INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1996'); 136INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 1997'); 137INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 28 17:32:01 1997'); 138INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 29 17:32:01 1997'); 139INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mar 01 17:32:01 1997'); 140INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 30 17:32:01 1997'); 141INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1997'); 142INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1999'); 143INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 2000'); 144INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 2000'); 145INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 2001'); 146 147-- Currently unsupported syntax and ranges 148INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 -0097'); 149INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 5097 BC'); 150 151-- Alternative field order that we've historically supported (sort of) 152-- with regular and POSIXy timezone specs 153SELECT 'Wed Jul 11 10:51:14 America/New_York 2001'::timestamptz; 154SELECT 'Wed Jul 11 10:51:14 GMT-4 2001'::timestamptz; 155SELECT 'Wed Jul 11 10:51:14 GMT+4 2001'::timestamptz; 156SELECT 'Wed Jul 11 10:51:14 PST-03:00 2001'::timestamptz; 157SELECT 'Wed Jul 11 10:51:14 PST+03:00 2001'::timestamptz; 158 159SELECT '' AS "64", d1 FROM TIMESTAMPTZ_TBL; 160 161-- Check behavior at the lower boundary of the timestamp range 162SELECT '4714-11-24 00:00:00+00 BC'::timestamptz; 163SELECT '4714-11-23 16:00:00-08 BC'::timestamptz; 164SELECT 'Sun Nov 23 16:00:00 4714 PST BC'::timestamptz; 165SELECT '4714-11-23 23:59:59+00 BC'::timestamptz; -- out of range 166-- The upper boundary differs between integer and float timestamps, so no check 167 168-- Demonstrate functions and operators 169SELECT '' AS "48", d1 FROM TIMESTAMPTZ_TBL 170 WHERE d1 > timestamp with time zone '1997-01-02'; 171 172SELECT '' AS "15", d1 FROM TIMESTAMPTZ_TBL 173 WHERE d1 < timestamp with time zone '1997-01-02'; 174 175SELECT '' AS one, d1 FROM TIMESTAMPTZ_TBL 176 WHERE d1 = timestamp with time zone '1997-01-02'; 177 178SELECT '' AS "63", d1 FROM TIMESTAMPTZ_TBL 179 WHERE d1 != timestamp with time zone '1997-01-02'; 180 181SELECT '' AS "16", d1 FROM TIMESTAMPTZ_TBL 182 WHERE d1 <= timestamp with time zone '1997-01-02'; 183 184SELECT '' AS "49", d1 FROM TIMESTAMPTZ_TBL 185 WHERE d1 >= timestamp with time zone '1997-01-02'; 186 187SELECT '' AS "54", d1 - timestamp with time zone '1997-01-02' AS diff 188 FROM TIMESTAMPTZ_TBL WHERE d1 BETWEEN '1902-01-01' AND '2038-01-01'; 189 190SELECT '' AS date_trunc_week, date_trunc( 'week', timestamp with time zone '2004-02-29 15:44:17.71393' ) AS week_trunc; 191 192SELECT '' AS date_trunc_at_tz, date_trunc('day', timestamp with time zone '2001-02-16 20:38:40+00', 'Australia/Sydney') as sydney_trunc; -- zone name 193SELECT '' AS date_trunc_at_tz, date_trunc('day', timestamp with time zone '2001-02-16 20:38:40+00', 'GMT') as gmt_trunc; -- fixed-offset abbreviation 194SELECT '' AS date_trunc_at_tz, date_trunc('day', timestamp with time zone '2001-02-16 20:38:40+00', 'VET') as vet_trunc; -- variable-offset abbreviation 195 196-- Test casting within a BETWEEN qualifier 197SELECT '' AS "54", d1 - timestamp with time zone '1997-01-02' AS diff 198 FROM TIMESTAMPTZ_TBL 199 WHERE d1 BETWEEN timestamp with time zone '1902-01-01' AND timestamp with time zone '2038-01-01'; 200 201-- DATE_PART (timestamptz_part) 202SELECT d1 as timestamptz, 203 date_part( 'year', d1) AS year, date_part( 'month', d1) AS month, 204 date_part( 'day', d1) AS day, date_part( 'hour', d1) AS hour, 205 date_part( 'minute', d1) AS minute, date_part( 'second', d1) AS second 206 FROM TIMESTAMPTZ_TBL; 207 208SELECT d1 as timestamptz, 209 date_part( 'quarter', d1) AS quarter, date_part( 'msec', d1) AS msec, 210 date_part( 'usec', d1) AS usec 211 FROM TIMESTAMPTZ_TBL; 212 213SELECT d1 as timestamptz, 214 date_part( 'isoyear', d1) AS isoyear, date_part( 'week', d1) AS week, 215 date_part( 'isodow', d1) AS isodow, date_part( 'dow', d1) AS dow, 216 date_part( 'doy', d1) AS doy 217 FROM TIMESTAMPTZ_TBL; 218 219SELECT d1 as timestamptz, 220 date_part( 'decade', d1) AS decade, 221 date_part( 'century', d1) AS century, 222 date_part( 'millennium', d1) AS millennium, 223 round(date_part( 'julian', d1)) AS julian 224 FROM TIMESTAMPTZ_TBL; 225 226SELECT d1 as timestamptz, 227 date_part( 'timezone', d1) AS timezone, 228 date_part( 'timezone_hour', d1) AS timezone_hour, 229 date_part( 'timezone_minute', d1) AS timezone_minute 230 FROM TIMESTAMPTZ_TBL; 231 232-- TO_CHAR() 233SELECT '' AS to_char_1, to_char(d1, 'DAY Day day DY Dy dy MONTH Month month RM MON Mon mon') 234 FROM TIMESTAMPTZ_TBL; 235 236SELECT '' AS to_char_2, to_char(d1, 'FMDAY FMDay FMday FMMONTH FMMonth FMmonth FMRM') 237 FROM TIMESTAMPTZ_TBL; 238 239SELECT '' AS to_char_3, to_char(d1, 'Y,YYY YYYY YYY YY Y CC Q MM WW DDD DD D J') 240 FROM TIMESTAMPTZ_TBL; 241 242SELECT '' AS to_char_4, to_char(d1, 'FMY,YYY FMYYYY FMYYY FMYY FMY FMCC FMQ FMMM FMWW FMDDD FMDD FMD FMJ') 243 FROM TIMESTAMPTZ_TBL; 244 245SELECT '' AS to_char_5, to_char(d1, 'HH HH12 HH24 MI SS SSSS') 246 FROM TIMESTAMPTZ_TBL; 247 248SELECT '' AS to_char_6, to_char(d1, E'"HH:MI:SS is" HH:MI:SS "\\"text between quote marks\\""') 249 FROM TIMESTAMPTZ_TBL; 250 251SELECT '' AS to_char_7, to_char(d1, 'HH24--text--MI--text--SS') 252 FROM TIMESTAMPTZ_TBL; 253 254SELECT '' AS to_char_8, to_char(d1, 'YYYYTH YYYYth Jth') 255 FROM TIMESTAMPTZ_TBL; 256 257SELECT '' AS to_char_9, 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') 258 FROM TIMESTAMPTZ_TBL; 259 260SELECT '' AS to_char_10, to_char(d1, 'IYYY IYY IY I IW IDDD ID') 261 FROM TIMESTAMPTZ_TBL; 262 263SELECT '' AS to_char_11, to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID') 264 FROM TIMESTAMPTZ_TBL; 265 266SELECT '' AS to_char_12, to_char(d, 'FF1 FF2 FF3 FF4 FF5 FF6 ff1 ff2 ff3 ff4 ff5 ff6 MS US') 267 FROM (VALUES 268 ('2018-11-02 12:34:56'::timestamptz), 269 ('2018-11-02 12:34:56.78'), 270 ('2018-11-02 12:34:56.78901'), 271 ('2018-11-02 12:34:56.78901234') 272 ) d(d); 273 274-- Check OF, TZH, TZM with various zone offsets, particularly fractional hours 275SET timezone = '00:00'; 276SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 277SET timezone = '+02:00'; 278SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 279SET timezone = '-13:00'; 280SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 281SET timezone = '-00:30'; 282SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 283SET timezone = '00:30'; 284SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 285SET timezone = '-04:30'; 286SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 287SET timezone = '04:30'; 288SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 289SET timezone = '-04:15'; 290SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 291SET timezone = '04:15'; 292SELECT to_char(now(), 'OF') as "OF", to_char(now(), 'TZH:TZM') as "TZH:TZM"; 293RESET timezone; 294 295CREATE TABLE TIMESTAMPTZ_TST (a int , b timestamptz); 296 297-- Test year field value with len > 4 298INSERT INTO TIMESTAMPTZ_TST VALUES(1, 'Sat Mar 12 23:58:48 1000 IST'); 299INSERT INTO TIMESTAMPTZ_TST VALUES(2, 'Sat Mar 12 23:58:48 10000 IST'); 300INSERT INTO TIMESTAMPTZ_TST VALUES(3, 'Sat Mar 12 23:58:48 100000 IST'); 301INSERT INTO TIMESTAMPTZ_TST VALUES(3, '10000 Mar 12 23:58:48 IST'); 302INSERT INTO TIMESTAMPTZ_TST VALUES(4, '100000312 23:58:48 IST'); 303INSERT INTO TIMESTAMPTZ_TST VALUES(4, '1000000312 23:58:48 IST'); 304--Verify data 305SELECT * FROM TIMESTAMPTZ_TST ORDER BY a; 306--Cleanup 307DROP TABLE TIMESTAMPTZ_TST; 308 309-- test timestamptz constructors 310set TimeZone to 'America/New_York'; 311 312-- numeric timezone 313SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33); 314SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '+2'); 315SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '-2'); 316WITH tzs (tz) AS (VALUES 317 ('+1'), ('+1:'), ('+1:0'), ('+100'), ('+1:00'), ('+01:00'), 318 ('+10'), ('+1000'), ('+10:'), ('+10:0'), ('+10:00'), ('+10:00:'), 319 ('+10:00:1'), ('+10:00:01'), 320 ('+10:00:10')) 321 SELECT make_timestamptz(2010, 2, 27, 3, 45, 00, tz), tz FROM tzs; 322 323-- these should fail 324SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '2'); 325SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, '+16'); 326SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, '-16'); 327 328-- should be true 329SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '+2') = '1973-07-15 08:15:55.33+02'::timestamptz; 330 331-- full timezone names 332SELECT make_timestamptz(2014, 12, 10, 0, 0, 0, 'Europe/Prague') = timestamptz '2014-12-10 00:00:00 Europe/Prague'; 333SELECT make_timestamptz(2014, 12, 10, 0, 0, 0, 'Europe/Prague') AT TIME ZONE 'UTC'; 334SELECT make_timestamptz(1846, 12, 10, 0, 0, 0, 'Asia/Manila') AT TIME ZONE 'UTC'; 335SELECT make_timestamptz(1881, 12, 10, 0, 0, 0, 'Europe/Paris') AT TIME ZONE 'UTC'; 336SELECT make_timestamptz(1910, 12, 24, 0, 0, 0, 'Nehwon/Lankhmar'); 337 338-- abbreviations 339SELECT make_timestamptz(2008, 12, 10, 10, 10, 10, 'EST'); 340SELECT make_timestamptz(2008, 12, 10, 10, 10, 10, 'EDT'); 341SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, 'PST8PDT'); 342 343RESET TimeZone; 344 345-- 346-- Test behavior with a dynamic (time-varying) timezone abbreviation. 347-- These tests rely on the knowledge that MSK (Europe/Moscow standard time) 348-- moved forwards in Mar 2011 and backwards again in Oct 2014. 349-- 350 351SET TimeZone to 'UTC'; 352 353SELECT '2011-03-27 00:00:00 Europe/Moscow'::timestamptz; 354SELECT '2011-03-27 01:00:00 Europe/Moscow'::timestamptz; 355SELECT '2011-03-27 01:59:59 Europe/Moscow'::timestamptz; 356SELECT '2011-03-27 02:00:00 Europe/Moscow'::timestamptz; 357SELECT '2011-03-27 02:00:01 Europe/Moscow'::timestamptz; 358SELECT '2011-03-27 02:59:59 Europe/Moscow'::timestamptz; 359SELECT '2011-03-27 03:00:00 Europe/Moscow'::timestamptz; 360SELECT '2011-03-27 03:00:01 Europe/Moscow'::timestamptz; 361SELECT '2011-03-27 04:00:00 Europe/Moscow'::timestamptz; 362 363SELECT '2011-03-27 00:00:00 MSK'::timestamptz; 364SELECT '2011-03-27 01:00:00 MSK'::timestamptz; 365SELECT '2011-03-27 01:59:59 MSK'::timestamptz; 366SELECT '2011-03-27 02:00:00 MSK'::timestamptz; 367SELECT '2011-03-27 02:00:01 MSK'::timestamptz; 368SELECT '2011-03-27 02:59:59 MSK'::timestamptz; 369SELECT '2011-03-27 03:00:00 MSK'::timestamptz; 370SELECT '2011-03-27 03:00:01 MSK'::timestamptz; 371SELECT '2011-03-27 04:00:00 MSK'::timestamptz; 372 373SELECT '2014-10-26 00:00:00 Europe/Moscow'::timestamptz; 374SELECT '2014-10-26 00:59:59 Europe/Moscow'::timestamptz; 375SELECT '2014-10-26 01:00:00 Europe/Moscow'::timestamptz; 376SELECT '2014-10-26 01:00:01 Europe/Moscow'::timestamptz; 377SELECT '2014-10-26 02:00:00 Europe/Moscow'::timestamptz; 378 379SELECT '2014-10-26 00:00:00 MSK'::timestamptz; 380SELECT '2014-10-26 00:59:59 MSK'::timestamptz; 381SELECT '2014-10-26 01:00:00 MSK'::timestamptz; 382SELECT '2014-10-26 01:00:01 MSK'::timestamptz; 383SELECT '2014-10-26 02:00:00 MSK'::timestamptz; 384 385SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; 386SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; 387SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'Europe/Moscow'; 388SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; 389SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'Europe/Moscow'; 390SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'Europe/Moscow'; 391SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; 392SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'Europe/Moscow'; 393SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; 394 395SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'MSK'; 396SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'MSK'; 397SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'MSK'; 398SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'MSK'; 399SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'MSK'; 400SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'MSK'; 401SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'MSK'; 402SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'MSK'; 403SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'MSK'; 404 405SELECT '2014-10-26 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; 406SELECT '2014-10-26 00:59:59'::timestamp AT TIME ZONE 'Europe/Moscow'; 407SELECT '2014-10-26 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; 408SELECT '2014-10-26 01:00:01'::timestamp AT TIME ZONE 'Europe/Moscow'; 409SELECT '2014-10-26 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow'; 410 411SELECT '2014-10-26 00:00:00'::timestamp AT TIME ZONE 'MSK'; 412SELECT '2014-10-26 00:59:59'::timestamp AT TIME ZONE 'MSK'; 413SELECT '2014-10-26 01:00:00'::timestamp AT TIME ZONE 'MSK'; 414SELECT '2014-10-26 01:00:01'::timestamp AT TIME ZONE 'MSK'; 415SELECT '2014-10-26 02:00:00'::timestamp AT TIME ZONE 'MSK'; 416 417SELECT make_timestamptz(2014, 10, 26, 0, 0, 0, 'MSK'); 418SELECT make_timestamptz(2014, 10, 26, 1, 0, 0, 'MSK'); 419 420SELECT to_timestamp( 0); -- 1970-01-01 00:00:00+00 421SELECT to_timestamp( 946684800); -- 2000-01-01 00:00:00+00 422SELECT to_timestamp(1262349296.7890123); -- 2010-01-01 12:34:56.789012+00 423-- edge cases 424SELECT to_timestamp(-210866803200); -- 4714-11-24 00:00:00+00 BC 425-- upper limit varies between integer and float timestamps, so hard to test 426-- nonfinite values 427SELECT to_timestamp(' Infinity'::float); 428SELECT to_timestamp('-Infinity'::float); 429SELECT to_timestamp('NaN'::float); 430 431 432SET TimeZone to 'Europe/Moscow'; 433 434SELECT '2011-03-26 21:00:00 UTC'::timestamptz; 435SELECT '2011-03-26 22:00:00 UTC'::timestamptz; 436SELECT '2011-03-26 22:59:59 UTC'::timestamptz; 437SELECT '2011-03-26 23:00:00 UTC'::timestamptz; 438SELECT '2011-03-26 23:00:01 UTC'::timestamptz; 439SELECT '2011-03-26 23:59:59 UTC'::timestamptz; 440SELECT '2011-03-27 00:00:00 UTC'::timestamptz; 441 442SELECT '2014-10-25 21:00:00 UTC'::timestamptz; 443SELECT '2014-10-25 21:59:59 UTC'::timestamptz; 444SELECT '2014-10-25 22:00:00 UTC'::timestamptz; 445SELECT '2014-10-25 22:00:01 UTC'::timestamptz; 446SELECT '2014-10-25 23:00:00 UTC'::timestamptz; 447 448RESET TimeZone; 449 450SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 451SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 452SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 453SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 454SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 455SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 456SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 457 458SELECT '2014-10-25 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 459SELECT '2014-10-25 21:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 460SELECT '2014-10-25 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 461SELECT '2014-10-25 22:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 462SELECT '2014-10-25 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow'; 463 464SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; 465SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; 466SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'MSK'; 467SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; 468SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'MSK'; 469SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'MSK'; 470SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; 471 472SELECT '2014-10-25 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; 473SELECT '2014-10-25 21:59:59 UTC'::timestamptz AT TIME ZONE 'MSK'; 474SELECT '2014-10-25 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; 475SELECT '2014-10-25 22:00:01 UTC'::timestamptz AT TIME ZONE 'MSK'; 476SELECT '2014-10-25 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK'; 477 478-- 479-- Test that AT TIME ZONE isn't misoptimized when using an index (bug #14504) 480-- 481create temp table tmptz (f1 timestamptz primary key); 482insert into tmptz values ('2017-01-18 00:00+00'); 483explain (costs off) 484select * from tmptz where f1 at time zone 'utc' = '2017-01-18 00:00'; 485select * from tmptz where f1 at time zone 'utc' = '2017-01-18 00:00'; 486