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Diffstat (limited to '')
| -rw-r--r-- | src/test/regress/expected/timestamp.out | 2127 |
1 files changed, 2127 insertions, 0 deletions
diff --git a/src/test/regress/expected/timestamp.out b/src/test/regress/expected/timestamp.out new file mode 100644 index 0000000..c64bcb7 --- /dev/null +++ b/src/test/regress/expected/timestamp.out @@ -0,0 +1,2127 @@ +-- +-- TIMESTAMP +-- +CREATE TABLE TIMESTAMP_TBL (d1 timestamp(2) without 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 TIMESTAMP_TBL VALUES ('today'); +INSERT INTO TIMESTAMP_TBL VALUES ('yesterday'); +INSERT INTO TIMESTAMP_TBL VALUES ('tomorrow'); +-- time zone should be ignored by this data type +INSERT INTO TIMESTAMP_TBL VALUES ('tomorrow EST'); +INSERT INTO TIMESTAMP_TBL VALUES ('tomorrow zulu'); +SELECT count(*) AS One FROM TIMESTAMP_TBL WHERE d1 = timestamp without time zone 'today'; + one +----- + 1 +(1 row) + +SELECT count(*) AS Three FROM TIMESTAMP_TBL WHERE d1 = timestamp without time zone 'tomorrow'; + three +------- + 3 +(1 row) + +SELECT count(*) AS One FROM TIMESTAMP_TBL WHERE d1 = timestamp without time zone 'yesterday'; + one +----- + 1 +(1 row) + +COMMIT; +DELETE FROM TIMESTAMP_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 TIMESTAMP_TBL VALUES ('now'); +SELECT pg_sleep(0.1); + pg_sleep +---------- + +(1 row) + +BEGIN; +INSERT INTO TIMESTAMP_TBL VALUES ('now'); +SELECT pg_sleep(0.1); + pg_sleep +---------- + +(1 row) + +INSERT INTO TIMESTAMP_TBL VALUES ('now'); +SELECT pg_sleep(0.1); + pg_sleep +---------- + +(1 row) + +SELECT count(*) AS two FROM TIMESTAMP_TBL WHERE d1 = timestamp(2) without time zone 'now'; + two +----- + 2 +(1 row) + +SELECT count(d1) AS three, count(DISTINCT d1) AS two FROM TIMESTAMP_TBL; + three | two +-------+----- + 3 | 2 +(1 row) + +COMMIT; +TRUNCATE TIMESTAMP_TBL; +-- Special values +INSERT INTO TIMESTAMP_TBL VALUES ('-infinity'); +INSERT INTO TIMESTAMP_TBL VALUES ('infinity'); +INSERT INTO TIMESTAMP_TBL VALUES ('epoch'); +SELECT timestamp 'infinity' = timestamp '+infinity' AS t; + t +--- + t +(1 row) + +-- Postgres v6.0 standard output format +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST'); +-- Variations on Postgres v6.1 standard output format +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.999999 1997 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.4 1997 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.5 1997 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.6 1997 PST'); +-- ISO 8601 format +INSERT INTO TIMESTAMP_TBL VALUES ('1997-01-02'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-01-02 03:04:05'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-02-10 17:32:01-08'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-02-10 17:32:01-0800'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-02-10 17:32:01 -08:00'); +INSERT INTO TIMESTAMP_TBL VALUES ('19970210 173201 -0800'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-06-10 17:32:01 -07:00'); +INSERT INTO TIMESTAMP_TBL VALUES ('2001-09-22T18:19:20'); +-- POSIX format (note that the timezone abbrev is just decoration here) +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 08:14:01 GMT+8'); +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 13:14:02 GMT-1'); +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 12:14:03 GMT-2'); +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 03:14:04 PST+8'); +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 02:14:05 MST+7:00'); +-- Variations for acceptable input formats +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 10 17:32:01 1997 -0800'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 10 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 10 5:32PM 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997/02/10 17:32:01-0800'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-02-10 17:32:01 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb-10-1997 17:32:01 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('02-10-1997 17:32:01 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('19970210 173201 PST'); +set datestyle to ymd; +INSERT INTO TIMESTAMP_TBL VALUES ('97FEB10 5:32:01PM UTC'); +INSERT INTO TIMESTAMP_TBL VALUES ('97/02/10 17:32:01 UTC'); +reset datestyle; +INSERT INTO TIMESTAMP_TBL VALUES ('1997.041 17:32:01 UTC'); +INSERT INTO TIMESTAMP_TBL VALUES ('19970210 173201 America/New_York'); +-- this fails (even though TZ is a no-op, we still look it up) +INSERT INTO TIMESTAMP_TBL VALUES ('19970710 173201 America/Does_not_exist'); +ERROR: time zone "america/does_not_exist" not recognized +LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('19970710 173201 America/D... + ^ +-- Test non-error-throwing API +SELECT pg_input_is_valid('now', 'timestamp'); + pg_input_is_valid +------------------- + t +(1 row) + +SELECT pg_input_is_valid('garbage', 'timestamp'); + pg_input_is_valid +------------------- + f +(1 row) + +SELECT pg_input_is_valid('2001-01-01 00:00 Nehwon/Lankhmar', 'timestamp'); + pg_input_is_valid +------------------- + f +(1 row) + +SELECT * FROM pg_input_error_info('garbage', 'timestamp'); + message | detail | hint | sql_error_code +----------------------------------------------------+--------+------+---------------- + invalid input syntax for type timestamp: "garbage" | | | 22007 +(1 row) + +SELECT * FROM pg_input_error_info('2001-01-01 00:00 Nehwon/Lankhmar', 'timestamp'); + message | detail | hint | sql_error_code +--------------------------------------------+--------+------+---------------- + time zone "nehwon/lankhmar" not recognized | | | 22023 +(1 row) + +-- Check date conversion and date arithmetic +INSERT INTO TIMESTAMP_TBL VALUES ('1997-06-10 18:32:01 PDT'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 10 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 11 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 12 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 13 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 14 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 15 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 0097 BC'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 0097'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 0597'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1097'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1697'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1797'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1897'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 2097'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 28 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 29 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mar 01 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 30 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 31 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Jan 01 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 28 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 29 17:32:01 1997'); +ERROR: date/time field value out of range: "Feb 29 17:32:01 1997" +LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('Feb 29 17:32:01 1997'); + ^ +INSERT INTO TIMESTAMP_TBL VALUES ('Mar 01 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 30 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 31 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 31 17:32:01 1999'); +INSERT INTO TIMESTAMP_TBL VALUES ('Jan 01 17:32:01 2000'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 31 17:32:01 2000'); +INSERT INTO TIMESTAMP_TBL VALUES ('Jan 01 17:32:01 2001'); +-- Currently unsupported syntax and ranges +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 -0097'); +ERROR: time zone displacement out of range: "Feb 16 17:32:01 -0097" +LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 -0097'); + ^ +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 5097 BC'); +ERROR: timestamp out of range: "Feb 16 17:32:01 5097 BC" +LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 5097 BC')... + ^ +SELECT d1 FROM TIMESTAMP_TBL; + d1 +----------------------------- + -infinity + infinity + Thu Jan 01 00:00:00 1970 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:02 1997 + Mon Feb 10 17:32:01.4 1997 + Mon Feb 10 17:32:01.5 1997 + Mon Feb 10 17:32:01.6 1997 + Thu Jan 02 00:00:00 1997 + Thu Jan 02 03:04:05 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Jun 10 17:32:01 1997 + Sat Sep 22 18:19:20 2001 + Wed Mar 15 08:14:01 2000 + Wed Mar 15 13:14:02 2000 + Wed Mar 15 12:14:03 2000 + Wed Mar 15 03:14:04 2000 + Wed Mar 15 02:14:05 2000 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:00 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Jun 10 18:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Feb 11 17:32:01 1997 + Wed Feb 12 17:32:01 1997 + Thu Feb 13 17:32:01 1997 + Fri Feb 14 17:32:01 1997 + Sat Feb 15 17:32:01 1997 + Sun Feb 16 17:32:01 1997 + Tue Feb 16 17:32:01 0097 BC + Sat Feb 16 17:32:01 0097 + Thu Feb 16 17:32:01 0597 + Tue Feb 16 17:32:01 1097 + Sat Feb 16 17:32:01 1697 + Thu Feb 16 17:32:01 1797 + Tue Feb 16 17:32:01 1897 + Sun Feb 16 17:32:01 1997 + Sat Feb 16 17:32:01 2097 + Wed Feb 28 17:32:01 1996 + Thu Feb 29 17:32:01 1996 + Fri Mar 01 17:32:01 1996 + Mon Dec 30 17:32:01 1996 + Tue Dec 31 17:32:01 1996 + Wed Jan 01 17:32:01 1997 + Fri Feb 28 17:32:01 1997 + Sat Mar 01 17:32:01 1997 + Tue Dec 30 17:32:01 1997 + Wed Dec 31 17:32:01 1997 + Fri Dec 31 17:32:01 1999 + Sat Jan 01 17:32:01 2000 + Sun Dec 31 17:32:01 2000 + Mon Jan 01 17:32:01 2001 +(65 rows) + +-- Check behavior at the boundaries of the timestamp range +SELECT '4714-11-24 00:00:00 BC'::timestamp; + timestamp +----------------------------- + Mon Nov 24 00:00:00 4714 BC +(1 row) + +SELECT '4714-11-23 23:59:59 BC'::timestamp; -- out of range +ERROR: timestamp out of range: "4714-11-23 23:59:59 BC" +LINE 1: SELECT '4714-11-23 23:59:59 BC'::timestamp; + ^ +SELECT '294276-12-31 23:59:59'::timestamp; + timestamp +---------------------------- + Sun Dec 31 23:59:59 294276 +(1 row) + +SELECT '294277-01-01 00:00:00'::timestamp; -- out of range +ERROR: timestamp out of range: "294277-01-01 00:00:00" +LINE 1: SELECT '294277-01-01 00:00:00'::timestamp; + ^ +-- Demonstrate functions and operators +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 > timestamp without time zone '1997-01-02'; + d1 +---------------------------- + infinity + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:02 1997 + Mon Feb 10 17:32:01.4 1997 + Mon Feb 10 17:32:01.5 1997 + Mon Feb 10 17:32:01.6 1997 + Thu Jan 02 03:04:05 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Jun 10 17:32:01 1997 + Sat Sep 22 18:19:20 2001 + Wed Mar 15 08:14:01 2000 + Wed Mar 15 13:14:02 2000 + Wed Mar 15 12:14:03 2000 + Wed Mar 15 03:14:04 2000 + Wed Mar 15 02:14:05 2000 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:00 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Jun 10 18:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Feb 11 17:32:01 1997 + Wed Feb 12 17:32:01 1997 + Thu Feb 13 17:32:01 1997 + Fri Feb 14 17:32:01 1997 + Sat Feb 15 17:32:01 1997 + Sun Feb 16 17:32:01 1997 + Sun Feb 16 17:32:01 1997 + Sat Feb 16 17:32:01 2097 + Fri Feb 28 17:32:01 1997 + Sat Mar 01 17:32:01 1997 + Tue Dec 30 17:32:01 1997 + Wed Dec 31 17:32:01 1997 + Fri Dec 31 17:32:01 1999 + Sat Jan 01 17:32:01 2000 + Sun Dec 31 17:32:01 2000 + Mon Jan 01 17:32:01 2001 +(49 rows) + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 < timestamp without time zone '1997-01-02'; + d1 +----------------------------- + -infinity + Thu Jan 01 00:00:00 1970 + Tue Feb 16 17:32:01 0097 BC + Sat Feb 16 17:32:01 0097 + Thu Feb 16 17:32:01 0597 + Tue Feb 16 17:32:01 1097 + Sat Feb 16 17:32:01 1697 + Thu Feb 16 17:32:01 1797 + Tue Feb 16 17:32:01 1897 + Wed Feb 28 17:32:01 1996 + Thu Feb 29 17:32:01 1996 + Fri Mar 01 17:32:01 1996 + Mon Dec 30 17:32:01 1996 + Tue Dec 31 17:32:01 1996 + Wed Jan 01 17:32:01 1997 +(15 rows) + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 = timestamp without time zone '1997-01-02'; + d1 +-------------------------- + Thu Jan 02 00:00:00 1997 +(1 row) + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 != timestamp without time zone '1997-01-02'; + d1 +----------------------------- + -infinity + infinity + Thu Jan 01 00:00:00 1970 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:02 1997 + Mon Feb 10 17:32:01.4 1997 + Mon Feb 10 17:32:01.5 1997 + Mon Feb 10 17:32:01.6 1997 + Thu Jan 02 03:04:05 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Jun 10 17:32:01 1997 + Sat Sep 22 18:19:20 2001 + Wed Mar 15 08:14:01 2000 + Wed Mar 15 13:14:02 2000 + Wed Mar 15 12:14:03 2000 + Wed Mar 15 03:14:04 2000 + Wed Mar 15 02:14:05 2000 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:00 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Jun 10 18:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Feb 11 17:32:01 1997 + Wed Feb 12 17:32:01 1997 + Thu Feb 13 17:32:01 1997 + Fri Feb 14 17:32:01 1997 + Sat Feb 15 17:32:01 1997 + Sun Feb 16 17:32:01 1997 + Tue Feb 16 17:32:01 0097 BC + Sat Feb 16 17:32:01 0097 + Thu Feb 16 17:32:01 0597 + Tue Feb 16 17:32:01 1097 + Sat Feb 16 17:32:01 1697 + Thu Feb 16 17:32:01 1797 + Tue Feb 16 17:32:01 1897 + Sun Feb 16 17:32:01 1997 + Sat Feb 16 17:32:01 2097 + Wed Feb 28 17:32:01 1996 + Thu Feb 29 17:32:01 1996 + Fri Mar 01 17:32:01 1996 + Mon Dec 30 17:32:01 1996 + Tue Dec 31 17:32:01 1996 + Wed Jan 01 17:32:01 1997 + Fri Feb 28 17:32:01 1997 + Sat Mar 01 17:32:01 1997 + Tue Dec 30 17:32:01 1997 + Wed Dec 31 17:32:01 1997 + Fri Dec 31 17:32:01 1999 + Sat Jan 01 17:32:01 2000 + Sun Dec 31 17:32:01 2000 + Mon Jan 01 17:32:01 2001 +(64 rows) + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 <= timestamp without time zone '1997-01-02'; + d1 +----------------------------- + -infinity + Thu Jan 01 00:00:00 1970 + Thu Jan 02 00:00:00 1997 + Tue Feb 16 17:32:01 0097 BC + Sat Feb 16 17:32:01 0097 + Thu Feb 16 17:32:01 0597 + Tue Feb 16 17:32:01 1097 + Sat Feb 16 17:32:01 1697 + Thu Feb 16 17:32:01 1797 + Tue Feb 16 17:32:01 1897 + Wed Feb 28 17:32:01 1996 + Thu Feb 29 17:32:01 1996 + Fri Mar 01 17:32:01 1996 + Mon Dec 30 17:32:01 1996 + Tue Dec 31 17:32:01 1996 + Wed Jan 01 17:32:01 1997 +(16 rows) + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 >= timestamp without time zone '1997-01-02'; + d1 +---------------------------- + infinity + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:02 1997 + Mon Feb 10 17:32:01.4 1997 + Mon Feb 10 17:32:01.5 1997 + Mon Feb 10 17:32:01.6 1997 + Thu Jan 02 00:00:00 1997 + Thu Jan 02 03:04:05 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Jun 10 17:32:01 1997 + Sat Sep 22 18:19:20 2001 + Wed Mar 15 08:14:01 2000 + Wed Mar 15 13:14:02 2000 + Wed Mar 15 12:14:03 2000 + Wed Mar 15 03:14:04 2000 + Wed Mar 15 02:14:05 2000 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:00 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Jun 10 18:32:01 1997 + Mon Feb 10 17:32:01 1997 + Tue Feb 11 17:32:01 1997 + Wed Feb 12 17:32:01 1997 + Thu Feb 13 17:32:01 1997 + Fri Feb 14 17:32:01 1997 + Sat Feb 15 17:32:01 1997 + Sun Feb 16 17:32:01 1997 + Sun Feb 16 17:32:01 1997 + Sat Feb 16 17:32:01 2097 + Fri Feb 28 17:32:01 1997 + Sat Mar 01 17:32:01 1997 + Tue Dec 30 17:32:01 1997 + Wed Dec 31 17:32:01 1997 + Fri Dec 31 17:32:01 1999 + Sat Jan 01 17:32:01 2000 + Sun Dec 31 17:32:01 2000 + Mon Jan 01 17:32:01 2001 +(50 rows) + +SELECT d1 - timestamp without time zone '1997-01-02' AS diff + FROM TIMESTAMP_TBL WHERE d1 BETWEEN '1902-01-01' AND '2038-01-01'; + diff +---------------------------------------- + @ 9863 days ago + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 2 secs + @ 39 days 17 hours 32 mins 1.4 secs + @ 39 days 17 hours 32 mins 1.5 secs + @ 39 days 17 hours 32 mins 1.6 secs + @ 0 + @ 3 hours 4 mins 5 secs + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 159 days 17 hours 32 mins 1 sec + @ 1724 days 18 hours 19 mins 20 secs + @ 1168 days 8 hours 14 mins 1 sec + @ 1168 days 13 hours 14 mins 2 secs + @ 1168 days 12 hours 14 mins 3 secs + @ 1168 days 3 hours 14 mins 4 secs + @ 1168 days 2 hours 14 mins 5 secs + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 159 days 18 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 40 days 17 hours 32 mins 1 sec + @ 41 days 17 hours 32 mins 1 sec + @ 42 days 17 hours 32 mins 1 sec + @ 43 days 17 hours 32 mins 1 sec + @ 44 days 17 hours 32 mins 1 sec + @ 45 days 17 hours 32 mins 1 sec + @ 45 days 17 hours 32 mins 1 sec + @ 308 days 6 hours 27 mins 59 secs ago + @ 307 days 6 hours 27 mins 59 secs ago + @ 306 days 6 hours 27 mins 59 secs ago + @ 2 days 6 hours 27 mins 59 secs ago + @ 1 day 6 hours 27 mins 59 secs ago + @ 6 hours 27 mins 59 secs ago + @ 57 days 17 hours 32 mins 1 sec + @ 58 days 17 hours 32 mins 1 sec + @ 362 days 17 hours 32 mins 1 sec + @ 363 days 17 hours 32 mins 1 sec + @ 1093 days 17 hours 32 mins 1 sec + @ 1094 days 17 hours 32 mins 1 sec + @ 1459 days 17 hours 32 mins 1 sec + @ 1460 days 17 hours 32 mins 1 sec +(55 rows) + +SELECT date_trunc( 'week', timestamp '2004-02-29 15:44:17.71393' ) AS week_trunc; + week_trunc +-------------------------- + Mon Feb 23 00:00:00 2004 +(1 row) + +-- verify date_bin behaves the same as date_trunc for relevant intervals +-- case 1: AD dates, origin < input +SELECT + str, + interval, + date_trunc(str, ts) = date_bin(interval::interval, ts, timestamp '2001-01-01') AS equal +FROM ( + VALUES + ('week', '7 d'), + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamp '2020-02-29 15:44:17.71393')) ts (ts); + str | interval | equal +-------------+----------+------- + week | 7 d | t + day | 1 d | t + hour | 1 h | t + minute | 1 m | t + second | 1 s | t + millisecond | 1 ms | t + microsecond | 1 us | t +(7 rows) + +-- case 2: BC dates, origin < input +SELECT + str, + interval, + date_trunc(str, ts) = date_bin(interval::interval, ts, timestamp '2000-01-01 BC') AS equal +FROM ( + VALUES + ('week', '7 d'), + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamp '0055-6-10 15:44:17.71393 BC')) ts (ts); + str | interval | equal +-------------+----------+------- + week | 7 d | t + day | 1 d | t + hour | 1 h | t + minute | 1 m | t + second | 1 s | t + millisecond | 1 ms | t + microsecond | 1 us | t +(7 rows) + +-- case 3: AD dates, origin > input +SELECT + str, + interval, + date_trunc(str, ts) = date_bin(interval::interval, ts, timestamp '2020-03-02') AS equal +FROM ( + VALUES + ('week', '7 d'), + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamp '2020-02-29 15:44:17.71393')) ts (ts); + str | interval | equal +-------------+----------+------- + week | 7 d | t + day | 1 d | t + hour | 1 h | t + minute | 1 m | t + second | 1 s | t + millisecond | 1 ms | t + microsecond | 1 us | t +(7 rows) + +-- case 4: BC dates, origin > input +SELECT + str, + interval, + date_trunc(str, ts) = date_bin(interval::interval, ts, timestamp '0055-06-17 BC') AS equal +FROM ( + VALUES + ('week', '7 d'), + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamp '0055-6-10 15:44:17.71393 BC')) ts (ts); + str | interval | equal +-------------+----------+------- + week | 7 d | t + day | 1 d | t + hour | 1 h | t + minute | 1 m | t + second | 1 s | t + millisecond | 1 ms | t + microsecond | 1 us | t +(7 rows) + +-- 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 (timestamp '2020-02-11 15:44:17.71393')) ts (ts), +(VALUES (timestamp '2001-01-01')) origin (origin); + interval | ts | origin | date_bin +-------------------+--------------------------------+--------------------------+-------------------------------- + 15 days | Tue Feb 11 15:44:17.71393 2020 | Mon Jan 01 00:00:00 2001 | Thu Feb 06 00:00:00 2020 + 2 hours | Tue Feb 11 15:44:17.71393 2020 | Mon Jan 01 00:00:00 2001 | Tue Feb 11 14:00:00 2020 + 1 hour 30 minutes | Tue Feb 11 15:44:17.71393 2020 | Mon Jan 01 00:00:00 2001 | Tue Feb 11 15:00:00 2020 + 15 minutes | Tue Feb 11 15:44:17.71393 2020 | Mon Jan 01 00:00:00 2001 | Tue Feb 11 15:30:00 2020 + 10 seconds | Tue Feb 11 15:44:17.71393 2020 | Mon Jan 01 00:00:00 2001 | Tue Feb 11 15:44:10 2020 + 100 milliseconds | Tue Feb 11 15:44:17.71393 2020 | Mon Jan 01 00:00:00 2001 | Tue Feb 11 15:44:17.7 2020 + 250 microseconds | Tue Feb 11 15:44:17.71393 2020 | Mon Jan 01 00:00:00 2001 | Tue Feb 11 15:44:17.71375 2020 +(7 rows) + +-- shift bins using the origin parameter: +SELECT date_bin('5 min'::interval, timestamp '2020-02-01 01:01:01', timestamp '2020-02-01 00:02:30'); + date_bin +-------------------------- + Sat Feb 01 00:57:30 2020 +(1 row) + +-- disallow intervals with months or years +SELECT date_bin('5 months'::interval, timestamp '2020-02-01 01:01:01', timestamp '2001-01-01'); +ERROR: timestamps cannot be binned into intervals containing months or years +SELECT date_bin('5 years'::interval, timestamp '2020-02-01 01:01:01', timestamp '2001-01-01'); +ERROR: timestamps cannot be binned into intervals containing months or years +-- disallow zero intervals +SELECT date_bin('0 days'::interval, timestamp '1970-01-01 01:00:00' , timestamp '1970-01-01 00:00:00'); +ERROR: stride must be greater than zero +-- disallow negative intervals +SELECT date_bin('-2 days'::interval, timestamp '1970-01-01 01:00:00' , timestamp '1970-01-01 00:00:00'); +ERROR: stride must be greater than zero +-- Test casting within a BETWEEN qualifier +SELECT d1 - timestamp without time zone '1997-01-02' AS diff + FROM TIMESTAMP_TBL + WHERE d1 BETWEEN timestamp without time zone '1902-01-01' + AND timestamp without time zone '2038-01-01'; + diff +---------------------------------------- + @ 9863 days ago + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 2 secs + @ 39 days 17 hours 32 mins 1.4 secs + @ 39 days 17 hours 32 mins 1.5 secs + @ 39 days 17 hours 32 mins 1.6 secs + @ 0 + @ 3 hours 4 mins 5 secs + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 159 days 17 hours 32 mins 1 sec + @ 1724 days 18 hours 19 mins 20 secs + @ 1168 days 8 hours 14 mins 1 sec + @ 1168 days 13 hours 14 mins 2 secs + @ 1168 days 12 hours 14 mins 3 secs + @ 1168 days 3 hours 14 mins 4 secs + @ 1168 days 2 hours 14 mins 5 secs + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 159 days 18 hours 32 mins 1 sec + @ 39 days 17 hours 32 mins 1 sec + @ 40 days 17 hours 32 mins 1 sec + @ 41 days 17 hours 32 mins 1 sec + @ 42 days 17 hours 32 mins 1 sec + @ 43 days 17 hours 32 mins 1 sec + @ 44 days 17 hours 32 mins 1 sec + @ 45 days 17 hours 32 mins 1 sec + @ 45 days 17 hours 32 mins 1 sec + @ 308 days 6 hours 27 mins 59 secs ago + @ 307 days 6 hours 27 mins 59 secs ago + @ 306 days 6 hours 27 mins 59 secs ago + @ 2 days 6 hours 27 mins 59 secs ago + @ 1 day 6 hours 27 mins 59 secs ago + @ 6 hours 27 mins 59 secs ago + @ 57 days 17 hours 32 mins 1 sec + @ 58 days 17 hours 32 mins 1 sec + @ 362 days 17 hours 32 mins 1 sec + @ 363 days 17 hours 32 mins 1 sec + @ 1093 days 17 hours 32 mins 1 sec + @ 1094 days 17 hours 32 mins 1 sec + @ 1459 days 17 hours 32 mins 1 sec + @ 1460 days 17 hours 32 mins 1 sec +(55 rows) + +-- DATE_PART (timestamp_part) +SELECT d1 as "timestamp", + 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 TIMESTAMP_TBL; + timestamp | year | month | day | hour | minute | second +-----------------------------+-----------+-------+-----+------+--------+-------- + -infinity | -Infinity | | | | | + infinity | Infinity | | | | | + Thu Jan 01 00:00:00 1970 | 1970 | 1 | 1 | 0 | 0 | 0 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:02 1997 | 1997 | 2 | 10 | 17 | 32 | 2 + Mon Feb 10 17:32:01.4 1997 | 1997 | 2 | 10 | 17 | 32 | 1.4 + Mon Feb 10 17:32:01.5 1997 | 1997 | 2 | 10 | 17 | 32 | 1.5 + Mon Feb 10 17:32:01.6 1997 | 1997 | 2 | 10 | 17 | 32 | 1.6 + Thu Jan 02 00:00:00 1997 | 1997 | 1 | 2 | 0 | 0 | 0 + Thu Jan 02 03:04:05 1997 | 1997 | 1 | 2 | 3 | 4 | 5 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Tue Jun 10 17:32:01 1997 | 1997 | 6 | 10 | 17 | 32 | 1 + Sat Sep 22 18:19:20 2001 | 2001 | 9 | 22 | 18 | 19 | 20 + Wed Mar 15 08:14:01 2000 | 2000 | 3 | 15 | 8 | 14 | 1 + Wed Mar 15 13:14:02 2000 | 2000 | 3 | 15 | 13 | 14 | 2 + Wed Mar 15 12:14:03 2000 | 2000 | 3 | 15 | 12 | 14 | 3 + Wed Mar 15 03:14:04 2000 | 2000 | 3 | 15 | 3 | 14 | 4 + Wed Mar 15 02:14:05 2000 | 2000 | 3 | 15 | 2 | 14 | 5 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:00 1997 | 1997 | 2 | 10 | 17 | 32 | 0 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Tue Jun 10 18:32:01 1997 | 1997 | 6 | 10 | 18 | 32 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 2 | 10 | 17 | 32 | 1 + Tue Feb 11 17:32:01 1997 | 1997 | 2 | 11 | 17 | 32 | 1 + Wed Feb 12 17:32:01 1997 | 1997 | 2 | 12 | 17 | 32 | 1 + Thu Feb 13 17:32:01 1997 | 1997 | 2 | 13 | 17 | 32 | 1 + Fri Feb 14 17:32:01 1997 | 1997 | 2 | 14 | 17 | 32 | 1 + Sat Feb 15 17:32:01 1997 | 1997 | 2 | 15 | 17 | 32 | 1 + Sun Feb 16 17:32:01 1997 | 1997 | 2 | 16 | 17 | 32 | 1 + Tue Feb 16 17:32:01 0097 BC | -97 | 2 | 16 | 17 | 32 | 1 + Sat Feb 16 17:32:01 0097 | 97 | 2 | 16 | 17 | 32 | 1 + Thu Feb 16 17:32:01 0597 | 597 | 2 | 16 | 17 | 32 | 1 + Tue Feb 16 17:32:01 1097 | 1097 | 2 | 16 | 17 | 32 | 1 + Sat Feb 16 17:32:01 1697 | 1697 | 2 | 16 | 17 | 32 | 1 + Thu Feb 16 17:32:01 1797 | 1797 | 2 | 16 | 17 | 32 | 1 + Tue Feb 16 17:32:01 1897 | 1897 | 2 | 16 | 17 | 32 | 1 + Sun Feb 16 17:32:01 1997 | 1997 | 2 | 16 | 17 | 32 | 1 + Sat Feb 16 17:32:01 2097 | 2097 | 2 | 16 | 17 | 32 | 1 + Wed Feb 28 17:32:01 1996 | 1996 | 2 | 28 | 17 | 32 | 1 + Thu Feb 29 17:32:01 1996 | 1996 | 2 | 29 | 17 | 32 | 1 + Fri Mar 01 17:32:01 1996 | 1996 | 3 | 1 | 17 | 32 | 1 + Mon Dec 30 17:32:01 1996 | 1996 | 12 | 30 | 17 | 32 | 1 + Tue Dec 31 17:32:01 1996 | 1996 | 12 | 31 | 17 | 32 | 1 + Wed Jan 01 17:32:01 1997 | 1997 | 1 | 1 | 17 | 32 | 1 + Fri Feb 28 17:32:01 1997 | 1997 | 2 | 28 | 17 | 32 | 1 + Sat Mar 01 17:32:01 1997 | 1997 | 3 | 1 | 17 | 32 | 1 + Tue Dec 30 17:32:01 1997 | 1997 | 12 | 30 | 17 | 32 | 1 + Wed Dec 31 17:32:01 1997 | 1997 | 12 | 31 | 17 | 32 | 1 + Fri Dec 31 17:32:01 1999 | 1999 | 12 | 31 | 17 | 32 | 1 + Sat Jan 01 17:32:01 2000 | 2000 | 1 | 1 | 17 | 32 | 1 + Sun Dec 31 17:32:01 2000 | 2000 | 12 | 31 | 17 | 32 | 1 + Mon Jan 01 17:32:01 2001 | 2001 | 1 | 1 | 17 | 32 | 1 +(65 rows) + +SELECT d1 as "timestamp", + date_part( 'quarter', d1) AS quarter, date_part( 'msec', d1) AS msec, + date_part( 'usec', d1) AS usec + FROM TIMESTAMP_TBL; + timestamp | quarter | msec | usec +-----------------------------+---------+-------+---------- + -infinity | | | + infinity | | | + Thu Jan 01 00:00:00 1970 | 1 | 0 | 0 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:02 1997 | 1 | 2000 | 2000000 + Mon Feb 10 17:32:01.4 1997 | 1 | 1400 | 1400000 + Mon Feb 10 17:32:01.5 1997 | 1 | 1500 | 1500000 + Mon Feb 10 17:32:01.6 1997 | 1 | 1600 | 1600000 + Thu Jan 02 00:00:00 1997 | 1 | 0 | 0 + Thu Jan 02 03:04:05 1997 | 1 | 5000 | 5000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Tue Jun 10 17:32:01 1997 | 2 | 1000 | 1000000 + Sat Sep 22 18:19:20 2001 | 3 | 20000 | 20000000 + Wed Mar 15 08:14:01 2000 | 1 | 1000 | 1000000 + Wed Mar 15 13:14:02 2000 | 1 | 2000 | 2000000 + Wed Mar 15 12:14:03 2000 | 1 | 3000 | 3000000 + Wed Mar 15 03:14:04 2000 | 1 | 4000 | 4000000 + Wed Mar 15 02:14:05 2000 | 1 | 5000 | 5000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:00 1997 | 1 | 0 | 0 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Tue Jun 10 18:32:01 1997 | 2 | 1000 | 1000000 + Mon Feb 10 17:32:01 1997 | 1 | 1000 | 1000000 + Tue Feb 11 17:32:01 1997 | 1 | 1000 | 1000000 + Wed Feb 12 17:32:01 1997 | 1 | 1000 | 1000000 + Thu Feb 13 17:32:01 1997 | 1 | 1000 | 1000000 + Fri Feb 14 17:32:01 1997 | 1 | 1000 | 1000000 + Sat Feb 15 17:32:01 1997 | 1 | 1000 | 1000000 + Sun Feb 16 17:32:01 1997 | 1 | 1000 | 1000000 + Tue Feb 16 17:32:01 0097 BC | 1 | 1000 | 1000000 + Sat Feb 16 17:32:01 0097 | 1 | 1000 | 1000000 + Thu Feb 16 17:32:01 0597 | 1 | 1000 | 1000000 + Tue Feb 16 17:32:01 1097 | 1 | 1000 | 1000000 + Sat Feb 16 17:32:01 1697 | 1 | 1000 | 1000000 + Thu Feb 16 17:32:01 1797 | 1 | 1000 | 1000000 + Tue Feb 16 17:32:01 1897 | 1 | 1000 | 1000000 + Sun Feb 16 17:32:01 1997 | 1 | 1000 | 1000000 + Sat Feb 16 17:32:01 2097 | 1 | 1000 | 1000000 + Wed Feb 28 17:32:01 1996 | 1 | 1000 | 1000000 + Thu Feb 29 17:32:01 1996 | 1 | 1000 | 1000000 + Fri Mar 01 17:32:01 1996 | 1 | 1000 | 1000000 + Mon Dec 30 17:32:01 1996 | 4 | 1000 | 1000000 + Tue Dec 31 17:32:01 1996 | 4 | 1000 | 1000000 + Wed Jan 01 17:32:01 1997 | 1 | 1000 | 1000000 + Fri Feb 28 17:32:01 1997 | 1 | 1000 | 1000000 + Sat Mar 01 17:32:01 1997 | 1 | 1000 | 1000000 + Tue Dec 30 17:32:01 1997 | 4 | 1000 | 1000000 + Wed Dec 31 17:32:01 1997 | 4 | 1000 | 1000000 + Fri Dec 31 17:32:01 1999 | 4 | 1000 | 1000000 + Sat Jan 01 17:32:01 2000 | 1 | 1000 | 1000000 + Sun Dec 31 17:32:01 2000 | 4 | 1000 | 1000000 + Mon Jan 01 17:32:01 2001 | 1 | 1000 | 1000000 +(65 rows) + +SELECT d1 as "timestamp", + 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 TIMESTAMP_TBL; + timestamp | isoyear | week | isodow | dow | doy +-----------------------------+-----------+------+--------+-----+----- + -infinity | -Infinity | | | | + infinity | Infinity | | | | + Thu Jan 01 00:00:00 1970 | 1970 | 1 | 4 | 4 | 1 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:02 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01.4 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01.5 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01.6 1997 | 1997 | 7 | 1 | 1 | 41 + Thu Jan 02 00:00:00 1997 | 1997 | 1 | 4 | 4 | 2 + Thu Jan 02 03:04:05 1997 | 1997 | 1 | 4 | 4 | 2 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Tue Jun 10 17:32:01 1997 | 1997 | 24 | 2 | 2 | 161 + Sat Sep 22 18:19:20 2001 | 2001 | 38 | 6 | 6 | 265 + Wed Mar 15 08:14:01 2000 | 2000 | 11 | 3 | 3 | 75 + Wed Mar 15 13:14:02 2000 | 2000 | 11 | 3 | 3 | 75 + Wed Mar 15 12:14:03 2000 | 2000 | 11 | 3 | 3 | 75 + Wed Mar 15 03:14:04 2000 | 2000 | 11 | 3 | 3 | 75 + Wed Mar 15 02:14:05 2000 | 2000 | 11 | 3 | 3 | 75 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:00 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Tue Jun 10 18:32:01 1997 | 1997 | 24 | 2 | 2 | 161 + Mon Feb 10 17:32:01 1997 | 1997 | 7 | 1 | 1 | 41 + Tue Feb 11 17:32:01 1997 | 1997 | 7 | 2 | 2 | 42 + Wed Feb 12 17:32:01 1997 | 1997 | 7 | 3 | 3 | 43 + Thu Feb 13 17:32:01 1997 | 1997 | 7 | 4 | 4 | 44 + Fri Feb 14 17:32:01 1997 | 1997 | 7 | 5 | 5 | 45 + Sat Feb 15 17:32:01 1997 | 1997 | 7 | 6 | 6 | 46 + Sun Feb 16 17:32:01 1997 | 1997 | 7 | 7 | 0 | 47 + Tue Feb 16 17:32:01 0097 BC | -97 | 7 | 2 | 2 | 47 + Sat Feb 16 17:32:01 0097 | 97 | 7 | 6 | 6 | 47 + Thu Feb 16 17:32:01 0597 | 597 | 7 | 4 | 4 | 47 + Tue Feb 16 17:32:01 1097 | 1097 | 7 | 2 | 2 | 47 + Sat Feb 16 17:32:01 1697 | 1697 | 7 | 6 | 6 | 47 + Thu Feb 16 17:32:01 1797 | 1797 | 7 | 4 | 4 | 47 + Tue Feb 16 17:32:01 1897 | 1897 | 7 | 2 | 2 | 47 + Sun Feb 16 17:32:01 1997 | 1997 | 7 | 7 | 0 | 47 + Sat Feb 16 17:32:01 2097 | 2097 | 7 | 6 | 6 | 47 + Wed Feb 28 17:32:01 1996 | 1996 | 9 | 3 | 3 | 59 + Thu Feb 29 17:32:01 1996 | 1996 | 9 | 4 | 4 | 60 + Fri Mar 01 17:32:01 1996 | 1996 | 9 | 5 | 5 | 61 + Mon Dec 30 17:32:01 1996 | 1997 | 1 | 1 | 1 | 365 + Tue Dec 31 17:32:01 1996 | 1997 | 1 | 2 | 2 | 366 + Wed Jan 01 17:32:01 1997 | 1997 | 1 | 3 | 3 | 1 + Fri Feb 28 17:32:01 1997 | 1997 | 9 | 5 | 5 | 59 + Sat Mar 01 17:32:01 1997 | 1997 | 9 | 6 | 6 | 60 + Tue Dec 30 17:32:01 1997 | 1998 | 1 | 2 | 2 | 364 + Wed Dec 31 17:32:01 1997 | 1998 | 1 | 3 | 3 | 365 + Fri Dec 31 17:32:01 1999 | 1999 | 52 | 5 | 5 | 365 + Sat Jan 01 17:32:01 2000 | 1999 | 52 | 6 | 6 | 1 + Sun Dec 31 17:32:01 2000 | 2000 | 52 | 7 | 0 | 366 + Mon Jan 01 17:32:01 2001 | 2001 | 1 | 1 | 1 | 1 +(65 rows) + +SELECT d1 as "timestamp", + 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 TIMESTAMP_TBL; + timestamp | decade | century | millennium | julian | epoch +-----------------------------+-----------+-----------+------------+-----------+-------------- + -infinity | -Infinity | -Infinity | -Infinity | -Infinity | -Infinity + infinity | Infinity | Infinity | Infinity | Infinity | Infinity + Thu Jan 01 00:00:00 1970 | 197 | 20 | 2 | 2440588 | 0 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:02 1997 | 199 | 20 | 2 | 2450491 | 855595922 + Mon Feb 10 17:32:01.4 1997 | 199 | 20 | 2 | 2450491 | 855595921.4 + Mon Feb 10 17:32:01.5 1997 | 199 | 20 | 2 | 2450491 | 855595921.5 + Mon Feb 10 17:32:01.6 1997 | 199 | 20 | 2 | 2450491 | 855595921.6 + Thu Jan 02 00:00:00 1997 | 199 | 20 | 2 | 2450451 | 852163200 + Thu Jan 02 03:04:05 1997 | 199 | 20 | 2 | 2450451 | 852174245 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Tue Jun 10 17:32:01 1997 | 199 | 20 | 2 | 2450611 | 865963921 + Sat Sep 22 18:19:20 2001 | 200 | 21 | 3 | 2452176 | 1001182760 + Wed Mar 15 08:14:01 2000 | 200 | 20 | 2 | 2451619 | 953108041 + Wed Mar 15 13:14:02 2000 | 200 | 20 | 2 | 2451620 | 953126042 + Wed Mar 15 12:14:03 2000 | 200 | 20 | 2 | 2451620 | 953122443 + Wed Mar 15 03:14:04 2000 | 200 | 20 | 2 | 2451619 | 953090044 + Wed Mar 15 02:14:05 2000 | 200 | 20 | 2 | 2451619 | 953086445 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:00 1997 | 199 | 20 | 2 | 2450491 | 855595920 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Tue Jun 10 18:32:01 1997 | 199 | 20 | 2 | 2450611 | 865967521 + Mon Feb 10 17:32:01 1997 | 199 | 20 | 2 | 2450491 | 855595921 + Tue Feb 11 17:32:01 1997 | 199 | 20 | 2 | 2450492 | 855682321 + Wed Feb 12 17:32:01 1997 | 199 | 20 | 2 | 2450493 | 855768721 + Thu Feb 13 17:32:01 1997 | 199 | 20 | 2 | 2450494 | 855855121 + Fri Feb 14 17:32:01 1997 | 199 | 20 | 2 | 2450495 | 855941521 + Sat Feb 15 17:32:01 1997 | 199 | 20 | 2 | 2450496 | 856027921 + Sun Feb 16 17:32:01 1997 | 199 | 20 | 2 | 2450497 | 856114321 + Tue Feb 16 17:32:01 0097 BC | -10 | -1 | -1 | 1686043 | -65192711279 + Sat Feb 16 17:32:01 0097 | 9 | 1 | 1 | 1756537 | -59102029679 + Thu Feb 16 17:32:01 0597 | 59 | 6 | 1 | 1939158 | -43323575279 + Tue Feb 16 17:32:01 1097 | 109 | 11 | 2 | 2121779 | -27545120879 + Sat Feb 16 17:32:01 1697 | 169 | 17 | 2 | 2340925 | -8610906479 + Thu Feb 16 17:32:01 1797 | 179 | 18 | 2 | 2377449 | -5455232879 + Tue Feb 16 17:32:01 1897 | 189 | 19 | 2 | 2413973 | -2299559279 + Sun Feb 16 17:32:01 1997 | 199 | 20 | 2 | 2450497 | 856114321 + Sat Feb 16 17:32:01 2097 | 209 | 21 | 3 | 2487022 | 4011874321 + Wed Feb 28 17:32:01 1996 | 199 | 20 | 2 | 2450143 | 825528721 + Thu Feb 29 17:32:01 1996 | 199 | 20 | 2 | 2450144 | 825615121 + Fri Mar 01 17:32:01 1996 | 199 | 20 | 2 | 2450145 | 825701521 + Mon Dec 30 17:32:01 1996 | 199 | 20 | 2 | 2450449 | 851967121 + Tue Dec 31 17:32:01 1996 | 199 | 20 | 2 | 2450450 | 852053521 + Wed Jan 01 17:32:01 1997 | 199 | 20 | 2 | 2450451 | 852139921 + Fri Feb 28 17:32:01 1997 | 199 | 20 | 2 | 2450509 | 857151121 + Sat Mar 01 17:32:01 1997 | 199 | 20 | 2 | 2450510 | 857237521 + Tue Dec 30 17:32:01 1997 | 199 | 20 | 2 | 2450814 | 883503121 + Wed Dec 31 17:32:01 1997 | 199 | 20 | 2 | 2450815 | 883589521 + Fri Dec 31 17:32:01 1999 | 199 | 20 | 2 | 2451545 | 946661521 + Sat Jan 01 17:32:01 2000 | 200 | 20 | 2 | 2451546 | 946747921 + Sun Dec 31 17:32:01 2000 | 200 | 20 | 2 | 2451911 | 978283921 + Mon Jan 01 17:32:01 2001 | 200 | 21 | 3 | 2451912 | 978370321 +(65 rows) + +-- 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 TIMESTAMP_TBL; + timestamp | microseconds | milliseconds | seconds | julian | epoch +-----------------------------+--------------+--------------+-----------+-----------+--------------------- + -infinity | | | | -Infinity | -Infinity + infinity | | | | Infinity | Infinity + Thu Jan 01 00:00:00 1970 | 0 | 0.000 | 0.000000 | 2440588 | 0.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:02 1997 | 2000000 | 2000.000 | 2.000000 | 2450491 | 855595922.000000 + Mon Feb 10 17:32:01.4 1997 | 1400000 | 1400.000 | 1.400000 | 2450491 | 855595921.400000 + Mon Feb 10 17:32:01.5 1997 | 1500000 | 1500.000 | 1.500000 | 2450491 | 855595921.500000 + Mon Feb 10 17:32:01.6 1997 | 1600000 | 1600.000 | 1.600000 | 2450491 | 855595921.600000 + Thu Jan 02 00:00:00 1997 | 0 | 0.000 | 0.000000 | 2450451 | 852163200.000000 + Thu Jan 02 03:04:05 1997 | 5000000 | 5000.000 | 5.000000 | 2450451 | 852174245.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Tue Jun 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450611 | 865963921.000000 + Sat Sep 22 18:19:20 2001 | 20000000 | 20000.000 | 20.000000 | 2452176 | 1001182760.000000 + Wed Mar 15 08:14:01 2000 | 1000000 | 1000.000 | 1.000000 | 2451619 | 953108041.000000 + Wed Mar 15 13:14:02 2000 | 2000000 | 2000.000 | 2.000000 | 2451620 | 953126042.000000 + Wed Mar 15 12:14:03 2000 | 3000000 | 3000.000 | 3.000000 | 2451620 | 953122443.000000 + Wed Mar 15 03:14:04 2000 | 4000000 | 4000.000 | 4.000000 | 2451619 | 953090044.000000 + Wed Mar 15 02:14:05 2000 | 5000000 | 5000.000 | 5.000000 | 2451619 | 953086445.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:00 1997 | 0 | 0.000 | 0.000000 | 2450491 | 855595920.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Tue Jun 10 18:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450611 | 865967521.000000 + Mon Feb 10 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450491 | 855595921.000000 + Tue Feb 11 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450492 | 855682321.000000 + Wed Feb 12 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450493 | 855768721.000000 + Thu Feb 13 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450494 | 855855121.000000 + Fri Feb 14 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450495 | 855941521.000000 + Sat Feb 15 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450496 | 856027921.000000 + Sun Feb 16 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450497 | 856114321.000000 + Tue Feb 16 17:32:01 0097 BC | 1000000 | 1000.000 | 1.000000 | 1686043 | -65192711279.000000 + Sat Feb 16 17:32:01 0097 | 1000000 | 1000.000 | 1.000000 | 1756537 | -59102029679.000000 + Thu Feb 16 17:32:01 0597 | 1000000 | 1000.000 | 1.000000 | 1939158 | -43323575279.000000 + Tue Feb 16 17:32:01 1097 | 1000000 | 1000.000 | 1.000000 | 2121779 | -27545120879.000000 + Sat Feb 16 17:32:01 1697 | 1000000 | 1000.000 | 1.000000 | 2340925 | -8610906479.000000 + Thu Feb 16 17:32:01 1797 | 1000000 | 1000.000 | 1.000000 | 2377449 | -5455232879.000000 + Tue Feb 16 17:32:01 1897 | 1000000 | 1000.000 | 1.000000 | 2413973 | -2299559279.000000 + Sun Feb 16 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450497 | 856114321.000000 + Sat Feb 16 17:32:01 2097 | 1000000 | 1000.000 | 1.000000 | 2487022 | 4011874321.000000 + Wed Feb 28 17:32:01 1996 | 1000000 | 1000.000 | 1.000000 | 2450143 | 825528721.000000 + Thu Feb 29 17:32:01 1996 | 1000000 | 1000.000 | 1.000000 | 2450144 | 825615121.000000 + Fri Mar 01 17:32:01 1996 | 1000000 | 1000.000 | 1.000000 | 2450145 | 825701521.000000 + Mon Dec 30 17:32:01 1996 | 1000000 | 1000.000 | 1.000000 | 2450449 | 851967121.000000 + Tue Dec 31 17:32:01 1996 | 1000000 | 1000.000 | 1.000000 | 2450450 | 852053521.000000 + Wed Jan 01 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450451 | 852139921.000000 + Fri Feb 28 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450509 | 857151121.000000 + Sat Mar 01 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450510 | 857237521.000000 + Tue Dec 30 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450814 | 883503121.000000 + Wed Dec 31 17:32:01 1997 | 1000000 | 1000.000 | 1.000000 | 2450815 | 883589521.000000 + Fri Dec 31 17:32:01 1999 | 1000000 | 1000.000 | 1.000000 | 2451545 | 946661521.000000 + Sat Jan 01 17:32:01 2000 | 1000000 | 1000.000 | 1.000000 | 2451546 | 946747921.000000 + Sun Dec 31 17:32:01 2000 | 1000000 | 1000.000 | 1.000000 | 2451911 | 978283921.000000 + Mon Jan 01 17:32:01 2001 | 1000000 | 1000.000 | 1.000000 | 2451912 | 978370321.000000 +(65 rows) + +-- value near upper bound uses special case in code +SELECT date_part('epoch', '294270-01-01 00:00:00'::timestamp); + date_part +--------------- + 9224097091200 +(1 row) + +SELECT extract(epoch from '294270-01-01 00:00:00'::timestamp); + extract +---------------------- + 9224097091200.000000 +(1 row) + +-- another internal overflow test case +SELECT extract(epoch from '5000-01-01 00:00:00'::timestamp); + extract +-------------------- + 95617584000.000000 +(1 row) + +-- test edge-case overflow in timestamp subtraction +SELECT timestamp '294276-12-31 23:59:59' - timestamp '1999-12-23 19:59:04.224193' AS ok; + ok +----------------------------------------- + @ 106751991 days 4 hours 54.775807 secs +(1 row) + +SELECT timestamp '294276-12-31 23:59:59' - timestamp '1999-12-23 19:59:04.224192' AS overflows; +ERROR: interval out of range +-- TO_CHAR() +SELECT to_char(d1, 'DAY Day day DY Dy dy MONTH Month month RM MON Mon mon') + FROM TIMESTAMP_TBL; + to_char +------------------------------------------------------------------------------------------ + + + THURSDAY Thursday thursday THU Thu thu JANUARY January january I JAN Jan jan + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + THURSDAY Thursday thursday THU Thu thu JANUARY January january I JAN Jan jan + THURSDAY Thursday thursday THU Thu thu JANUARY January january I JAN Jan jan + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + TUESDAY Tuesday tuesday TUE Tue tue JUNE June june VI JUN Jun jun + SATURDAY Saturday saturday SAT Sat sat SEPTEMBER September september IX SEP Sep sep + WEDNESDAY Wednesday wednesday WED Wed wed MARCH March march III MAR Mar mar + WEDNESDAY Wednesday wednesday WED Wed wed MARCH March march III MAR Mar mar + WEDNESDAY Wednesday wednesday WED Wed wed MARCH March march III MAR Mar mar + WEDNESDAY Wednesday wednesday WED Wed wed MARCH March march III MAR Mar mar + WEDNESDAY Wednesday wednesday WED Wed wed MARCH March march III MAR Mar mar + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + TUESDAY Tuesday tuesday TUE Tue tue JUNE June june VI JUN Jun jun + MONDAY Monday monday MON Mon mon FEBRUARY February february II FEB Feb feb + TUESDAY Tuesday tuesday TUE Tue tue FEBRUARY February february II FEB Feb feb + WEDNESDAY Wednesday wednesday WED Wed wed FEBRUARY February february II FEB Feb feb + THURSDAY Thursday thursday THU Thu thu FEBRUARY February february II FEB Feb feb + FRIDAY Friday friday FRI Fri fri FEBRUARY February february II FEB Feb feb + SATURDAY Saturday saturday SAT Sat sat FEBRUARY February february II FEB Feb feb + SUNDAY Sunday sunday SUN Sun sun FEBRUARY February february II FEB Feb feb + TUESDAY Tuesday tuesday TUE Tue tue FEBRUARY February february II FEB Feb feb + SATURDAY Saturday saturday SAT Sat sat FEBRUARY February february II FEB Feb feb + THURSDAY Thursday thursday THU Thu thu FEBRUARY February february II FEB Feb feb + TUESDAY Tuesday tuesday TUE Tue tue FEBRUARY February february II FEB Feb feb + SATURDAY Saturday saturday SAT Sat sat FEBRUARY February february II FEB Feb feb + THURSDAY Thursday thursday THU Thu thu FEBRUARY February february II FEB Feb feb + TUESDAY Tuesday tuesday TUE Tue tue FEBRUARY February february II FEB Feb feb + SUNDAY Sunday sunday SUN Sun sun FEBRUARY February february II FEB Feb feb + SATURDAY Saturday saturday SAT Sat sat FEBRUARY February february II FEB Feb feb + WEDNESDAY Wednesday wednesday WED Wed wed FEBRUARY February february II FEB Feb feb + THURSDAY Thursday thursday THU Thu thu FEBRUARY February february II FEB Feb feb + FRIDAY Friday friday FRI Fri fri MARCH March march III MAR Mar mar + MONDAY Monday monday MON Mon mon DECEMBER December december XII DEC Dec dec + TUESDAY Tuesday tuesday TUE Tue tue DECEMBER December december XII DEC Dec dec + WEDNESDAY Wednesday wednesday WED Wed wed JANUARY January january I JAN Jan jan + FRIDAY Friday friday FRI Fri fri FEBRUARY February february II FEB Feb feb + SATURDAY Saturday saturday SAT Sat sat MARCH March march III MAR Mar mar + TUESDAY Tuesday tuesday TUE Tue tue DECEMBER December december XII DEC Dec dec + WEDNESDAY Wednesday wednesday WED Wed wed DECEMBER December december XII DEC Dec dec + FRIDAY Friday friday FRI Fri fri DECEMBER December december XII DEC Dec dec + SATURDAY Saturday saturday SAT Sat sat JANUARY January january I JAN Jan jan + SUNDAY Sunday sunday SUN Sun sun DECEMBER December december XII DEC Dec dec + MONDAY Monday monday MON Mon mon JANUARY January january I JAN Jan jan +(65 rows) + +SELECT to_char(d1, 'FMDAY FMDay FMday FMMONTH FMMonth FMmonth FMRM') + FROM TIMESTAMP_TBL; + to_char +-------------------------------------------------------------- + + + THURSDAY Thursday thursday JANUARY January january I + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + THURSDAY Thursday thursday JANUARY January january I + THURSDAY Thursday thursday JANUARY January january I + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + TUESDAY Tuesday tuesday JUNE June june VI + SATURDAY Saturday saturday SEPTEMBER September september IX + WEDNESDAY Wednesday wednesday MARCH March march III + WEDNESDAY Wednesday wednesday MARCH March march III + WEDNESDAY Wednesday wednesday MARCH March march III + WEDNESDAY Wednesday wednesday MARCH March march III + WEDNESDAY Wednesday wednesday MARCH March march III + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + MONDAY Monday monday FEBRUARY February february II + TUESDAY Tuesday tuesday JUNE June june VI + MONDAY Monday monday FEBRUARY February february II + TUESDAY Tuesday tuesday FEBRUARY February february II + WEDNESDAY Wednesday wednesday FEBRUARY February february II + THURSDAY Thursday thursday FEBRUARY February february II + FRIDAY Friday friday FEBRUARY February february II + SATURDAY Saturday saturday FEBRUARY February february II + SUNDAY Sunday sunday FEBRUARY February february II + TUESDAY Tuesday tuesday FEBRUARY February february II + SATURDAY Saturday saturday FEBRUARY February february II + THURSDAY Thursday thursday FEBRUARY February february II + TUESDAY Tuesday tuesday FEBRUARY February february II + SATURDAY Saturday saturday FEBRUARY February february II + THURSDAY Thursday thursday FEBRUARY February february II + TUESDAY Tuesday tuesday FEBRUARY February february II + SUNDAY Sunday sunday FEBRUARY February february II + SATURDAY Saturday saturday FEBRUARY February february II + WEDNESDAY Wednesday wednesday FEBRUARY February february II + THURSDAY Thursday thursday FEBRUARY February february II + FRIDAY Friday friday MARCH March march III + MONDAY Monday monday DECEMBER December december XII + TUESDAY Tuesday tuesday DECEMBER December december XII + WEDNESDAY Wednesday wednesday JANUARY January january I + FRIDAY Friday friday FEBRUARY February february II + SATURDAY Saturday saturday MARCH March march III + TUESDAY Tuesday tuesday DECEMBER December december XII + WEDNESDAY Wednesday wednesday DECEMBER December december XII + FRIDAY Friday friday DECEMBER December december XII + SATURDAY Saturday saturday JANUARY January january I + SUNDAY Sunday sunday DECEMBER December december XII + MONDAY Monday monday JANUARY January january I +(65 rows) + +SELECT to_char(d1, 'Y,YYY YYYY YYY YY Y CC Q MM WW DDD DD D J') + FROM TIMESTAMP_TBL; + to_char +-------------------------------------------------- + + + 1,970 1970 970 70 0 20 1 01 01 001 01 5 2440588 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 01 01 002 02 5 2450451 + 1,997 1997 997 97 7 20 1 01 01 002 02 5 2450451 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 2 06 23 161 10 3 2450610 + 2,001 2001 001 01 1 21 3 09 38 265 22 7 2452175 + 2,000 2000 000 00 0 20 1 03 11 075 15 4 2451619 + 2,000 2000 000 00 0 20 1 03 11 075 15 4 2451619 + 2,000 2000 000 00 0 20 1 03 11 075 15 4 2451619 + 2,000 2000 000 00 0 20 1 03 11 075 15 4 2451619 + 2,000 2000 000 00 0 20 1 03 11 075 15 4 2451619 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 2 06 23 161 10 3 2450610 + 1,997 1997 997 97 7 20 1 02 06 041 10 2 2450490 + 1,997 1997 997 97 7 20 1 02 06 042 11 3 2450491 + 1,997 1997 997 97 7 20 1 02 07 043 12 4 2450492 + 1,997 1997 997 97 7 20 1 02 07 044 13 5 2450493 + 1,997 1997 997 97 7 20 1 02 07 045 14 6 2450494 + 1,997 1997 997 97 7 20 1 02 07 046 15 7 2450495 + 1,997 1997 997 97 7 20 1 02 07 047 16 1 2450496 + 0,097 0097 097 97 7 -01 1 02 07 047 16 3 1686042 + 0,097 0097 097 97 7 01 1 02 07 047 16 7 1756536 + 0,597 0597 597 97 7 06 1 02 07 047 16 5 1939157 + 1,097 1097 097 97 7 11 1 02 07 047 16 3 2121778 + 1,697 1697 697 97 7 17 1 02 07 047 16 7 2340924 + 1,797 1797 797 97 7 18 1 02 07 047 16 5 2377448 + 1,897 1897 897 97 7 19 1 02 07 047 16 3 2413972 + 1,997 1997 997 97 7 20 1 02 07 047 16 1 2450496 + 2,097 2097 097 97 7 21 1 02 07 047 16 7 2487021 + 1,996 1996 996 96 6 20 1 02 09 059 28 4 2450142 + 1,996 1996 996 96 6 20 1 02 09 060 29 5 2450143 + 1,996 1996 996 96 6 20 1 03 09 061 01 6 2450144 + 1,996 1996 996 96 6 20 4 12 53 365 30 2 2450448 + 1,996 1996 996 96 6 20 4 12 53 366 31 3 2450449 + 1,997 1997 997 97 7 20 1 01 01 001 01 4 2450450 + 1,997 1997 997 97 7 20 1 02 09 059 28 6 2450508 + 1,997 1997 997 97 7 20 1 03 09 060 01 7 2450509 + 1,997 1997 997 97 7 20 4 12 52 364 30 3 2450813 + 1,997 1997 997 97 7 20 4 12 53 365 31 4 2450814 + 1,999 1999 999 99 9 20 4 12 53 365 31 6 2451544 + 2,000 2000 000 00 0 20 1 01 01 001 01 7 2451545 + 2,000 2000 000 00 0 20 4 12 53 366 31 1 2451910 + 2,001 2001 001 01 1 21 1 01 01 001 01 2 2451911 +(65 rows) + +SELECT to_char(d1, 'FMY,YYY FMYYYY FMYYY FMYY FMY FMCC FMQ FMMM FMWW FMDDD FMDD FMD FMJ') + FROM TIMESTAMP_TBL; + to_char +------------------------------------------------- + + + 1,970 1970 970 70 0 20 1 1 1 1 1 5 2440588 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 1 1 2 2 5 2450451 + 1,997 1997 997 97 7 20 1 1 1 2 2 5 2450451 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 2 6 23 161 10 3 2450610 + 2,001 2001 1 1 1 21 3 9 38 265 22 7 2452175 + 2,000 2000 0 0 0 20 1 3 11 75 15 4 2451619 + 2,000 2000 0 0 0 20 1 3 11 75 15 4 2451619 + 2,000 2000 0 0 0 20 1 3 11 75 15 4 2451619 + 2,000 2000 0 0 0 20 1 3 11 75 15 4 2451619 + 2,000 2000 0 0 0 20 1 3 11 75 15 4 2451619 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 2 6 23 161 10 3 2450610 + 1,997 1997 997 97 7 20 1 2 6 41 10 2 2450490 + 1,997 1997 997 97 7 20 1 2 6 42 11 3 2450491 + 1,997 1997 997 97 7 20 1 2 7 43 12 4 2450492 + 1,997 1997 997 97 7 20 1 2 7 44 13 5 2450493 + 1,997 1997 997 97 7 20 1 2 7 45 14 6 2450494 + 1,997 1997 997 97 7 20 1 2 7 46 15 7 2450495 + 1,997 1997 997 97 7 20 1 2 7 47 16 1 2450496 + 0,097 97 97 97 7 -1 1 2 7 47 16 3 1686042 + 0,097 97 97 97 7 1 1 2 7 47 16 7 1756536 + 0,597 597 597 97 7 6 1 2 7 47 16 5 1939157 + 1,097 1097 97 97 7 11 1 2 7 47 16 3 2121778 + 1,697 1697 697 97 7 17 1 2 7 47 16 7 2340924 + 1,797 1797 797 97 7 18 1 2 7 47 16 5 2377448 + 1,897 1897 897 97 7 19 1 2 7 47 16 3 2413972 + 1,997 1997 997 97 7 20 1 2 7 47 16 1 2450496 + 2,097 2097 97 97 7 21 1 2 7 47 16 7 2487021 + 1,996 1996 996 96 6 20 1 2 9 59 28 4 2450142 + 1,996 1996 996 96 6 20 1 2 9 60 29 5 2450143 + 1,996 1996 996 96 6 20 1 3 9 61 1 6 2450144 + 1,996 1996 996 96 6 20 4 12 53 365 30 2 2450448 + 1,996 1996 996 96 6 20 4 12 53 366 31 3 2450449 + 1,997 1997 997 97 7 20 1 1 1 1 1 4 2450450 + 1,997 1997 997 97 7 20 1 2 9 59 28 6 2450508 + 1,997 1997 997 97 7 20 1 3 9 60 1 7 2450509 + 1,997 1997 997 97 7 20 4 12 52 364 30 3 2450813 + 1,997 1997 997 97 7 20 4 12 53 365 31 4 2450814 + 1,999 1999 999 99 9 20 4 12 53 365 31 6 2451544 + 2,000 2000 0 0 0 20 1 1 1 1 1 7 2451545 + 2,000 2000 0 0 0 20 4 12 53 366 31 1 2451910 + 2,001 2001 1 1 1 21 1 1 1 1 1 2 2451911 +(65 rows) + +SELECT to_char(d1, 'HH HH12 HH24 MI SS SSSS') + FROM TIMESTAMP_TBL; + to_char +---------------------- + + + 12 12 00 00 00 0 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 02 63122 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 12 12 00 00 00 0 + 03 03 03 04 05 11045 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 06 06 18 19 20 65960 + 08 08 08 14 01 29641 + 01 01 13 14 02 47642 + 12 12 12 14 03 44043 + 03 03 03 14 04 11644 + 02 02 02 14 05 8045 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 00 63120 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 06 06 18 32 01 66721 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 + 05 05 17 32 01 63121 +(65 rows) + +SELECT to_char(d1, E'"HH:MI:SS is" HH:MI:SS "\\"text between quote marks\\""') + FROM TIMESTAMP_TBL; + to_char +------------------------------------------------- + + + HH:MI:SS is 12:00:00 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:02 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 12:00:00 "text between quote marks" + HH:MI:SS is 03:04:05 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 06:19:20 "text between quote marks" + HH:MI:SS is 08:14:01 "text between quote marks" + HH:MI:SS is 01:14:02 "text between quote marks" + HH:MI:SS is 12:14:03 "text between quote marks" + HH:MI:SS is 03:14:04 "text between quote marks" + HH:MI:SS is 02:14:05 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:00 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 06:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" + HH:MI:SS is 05:32:01 "text between quote marks" +(65 rows) + +SELECT to_char(d1, 'HH24--text--MI--text--SS') + FROM TIMESTAMP_TBL; + to_char +------------------------ + + + 00--text--00--text--00 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--02 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 00--text--00--text--00 + 03--text--04--text--05 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 18--text--19--text--20 + 08--text--14--text--01 + 13--text--14--text--02 + 12--text--14--text--03 + 03--text--14--text--04 + 02--text--14--text--05 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--00 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 18--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 + 17--text--32--text--01 +(65 rows) + +SELECT to_char(d1, 'YYYYTH YYYYth Jth') + FROM TIMESTAMP_TBL; + to_char +------------------------- + + + 1970TH 1970th 2440588th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450451st + 1997TH 1997th 2450451st + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450610th + 2001ST 2001st 2452175th + 2000TH 2000th 2451619th + 2000TH 2000th 2451619th + 2000TH 2000th 2451619th + 2000TH 2000th 2451619th + 2000TH 2000th 2451619th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450490th + 1997TH 1997th 2450610th + 1997TH 1997th 2450490th + 1997TH 1997th 2450491st + 1997TH 1997th 2450492nd + 1997TH 1997th 2450493rd + 1997TH 1997th 2450494th + 1997TH 1997th 2450495th + 1997TH 1997th 2450496th + 0097TH 0097th 1686042nd + 0097TH 0097th 1756536th + 0597TH 0597th 1939157th + 1097TH 1097th 2121778th + 1697TH 1697th 2340924th + 1797TH 1797th 2377448th + 1897TH 1897th 2413972nd + 1997TH 1997th 2450496th + 2097TH 2097th 2487021st + 1996TH 1996th 2450142nd + 1996TH 1996th 2450143rd + 1996TH 1996th 2450144th + 1996TH 1996th 2450448th + 1996TH 1996th 2450449th + 1997TH 1997th 2450450th + 1997TH 1997th 2450508th + 1997TH 1997th 2450509th + 1997TH 1997th 2450813th + 1997TH 1997th 2450814th + 1999TH 1999th 2451544th + 2000TH 2000th 2451545th + 2000TH 2000th 2451910th + 2001ST 2001st 2451911th +(65 rows) + +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 TIMESTAMP_TBL; + to_char +--------------------------------------------------------------------- + + + 1970 A.D. 1970 a.d. 1970 ad 12:00:00 A.M. 12:00:00 a.m. 12:00:00 am + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:02 P.M. 05:32:02 p.m. 05:32:02 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 12:00:00 A.M. 12:00:00 a.m. 12:00:00 am + 1997 A.D. 1997 a.d. 1997 ad 03:04:05 A.M. 03:04:05 a.m. 03:04:05 am + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 2001 A.D. 2001 a.d. 2001 ad 06:19:20 P.M. 06:19:20 p.m. 06:19:20 pm + 2000 A.D. 2000 a.d. 2000 ad 08:14:01 A.M. 08:14:01 a.m. 08:14:01 am + 2000 A.D. 2000 a.d. 2000 ad 01:14:02 P.M. 01:14:02 p.m. 01:14:02 pm + 2000 A.D. 2000 a.d. 2000 ad 12:14:03 P.M. 12:14:03 p.m. 12:14:03 pm + 2000 A.D. 2000 a.d. 2000 ad 03:14:04 A.M. 03:14:04 a.m. 03:14:04 am + 2000 A.D. 2000 a.d. 2000 ad 02:14:05 A.M. 02:14:05 a.m. 02:14:05 am + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:00 P.M. 05:32:00 p.m. 05:32:00 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 06:32:01 P.M. 06:32:01 p.m. 06:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 0097 B.C. 0097 b.c. 0097 bc 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 0097 A.D. 0097 a.d. 0097 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 0597 A.D. 0597 a.d. 0597 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1097 A.D. 1097 a.d. 1097 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1697 A.D. 1697 a.d. 1697 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1797 A.D. 1797 a.d. 1797 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1897 A.D. 1897 a.d. 1897 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 2097 A.D. 2097 a.d. 2097 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1996 A.D. 1996 a.d. 1996 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1996 A.D. 1996 a.d. 1996 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1996 A.D. 1996 a.d. 1996 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1996 A.D. 1996 a.d. 1996 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1996 A.D. 1996 a.d. 1996 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1997 A.D. 1997 a.d. 1997 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 1999 A.D. 1999 a.d. 1999 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 2000 A.D. 2000 a.d. 2000 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 2000 A.D. 2000 a.d. 2000 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm + 2001 A.D. 2001 a.d. 2001 ad 05:32:01 P.M. 05:32:01 p.m. 05:32:01 pm +(65 rows) + +SELECT to_char(d1, 'IYYY IYY IY I IW IDDD ID') + FROM TIMESTAMP_TBL; + to_char +------------------------ + + + 1970 970 70 0 01 004 4 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 01 004 4 + 1997 997 97 7 01 004 4 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 24 163 2 + 2001 001 01 1 38 265 6 + 2000 000 00 0 11 073 3 + 2000 000 00 0 11 073 3 + 2000 000 00 0 11 073 3 + 2000 000 00 0 11 073 3 + 2000 000 00 0 11 073 3 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 043 1 + 1997 997 97 7 24 163 2 + 1997 997 97 7 07 043 1 + 1997 997 97 7 07 044 2 + 1997 997 97 7 07 045 3 + 1997 997 97 7 07 046 4 + 1997 997 97 7 07 047 5 + 1997 997 97 7 07 048 6 + 1997 997 97 7 07 049 7 + 0097 097 97 7 07 044 2 + 0097 097 97 7 07 048 6 + 0597 597 97 7 07 046 4 + 1097 097 97 7 07 044 2 + 1697 697 97 7 07 048 6 + 1797 797 97 7 07 046 4 + 1897 897 97 7 07 044 2 + 1997 997 97 7 07 049 7 + 2097 097 97 7 07 048 6 + 1996 996 96 6 09 059 3 + 1996 996 96 6 09 060 4 + 1996 996 96 6 09 061 5 + 1997 997 97 7 01 001 1 + 1997 997 97 7 01 002 2 + 1997 997 97 7 01 003 3 + 1997 997 97 7 09 061 5 + 1997 997 97 7 09 062 6 + 1998 998 98 8 01 002 2 + 1998 998 98 8 01 003 3 + 1999 999 99 9 52 362 5 + 1999 999 99 9 52 363 6 + 2000 000 00 0 52 364 7 + 2001 001 01 1 01 001 1 +(65 rows) + +SELECT to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID') + FROM TIMESTAMP_TBL; + to_char +------------------------ + + + 1970 970 70 0 1 4 4 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 1 4 4 + 1997 997 97 7 1 4 4 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 24 163 2 + 2001 1 1 1 38 265 6 + 2000 0 0 0 11 73 3 + 2000 0 0 0 11 73 3 + 2000 0 0 0 11 73 3 + 2000 0 0 0 11 73 3 + 2000 0 0 0 11 73 3 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 43 1 + 1997 997 97 7 24 163 2 + 1997 997 97 7 7 43 1 + 1997 997 97 7 7 44 2 + 1997 997 97 7 7 45 3 + 1997 997 97 7 7 46 4 + 1997 997 97 7 7 47 5 + 1997 997 97 7 7 48 6 + 1997 997 97 7 7 49 7 + 97 97 97 7 7 44 2 + 97 97 97 7 7 48 6 + 597 597 97 7 7 46 4 + 1097 97 97 7 7 44 2 + 1697 697 97 7 7 48 6 + 1797 797 97 7 7 46 4 + 1897 897 97 7 7 44 2 + 1997 997 97 7 7 49 7 + 2097 97 97 7 7 48 6 + 1996 996 96 6 9 59 3 + 1996 996 96 6 9 60 4 + 1996 996 96 6 9 61 5 + 1997 997 97 7 1 1 1 + 1997 997 97 7 1 2 2 + 1997 997 97 7 1 3 3 + 1997 997 97 7 9 61 5 + 1997 997 97 7 9 62 6 + 1998 998 98 8 1 2 2 + 1998 998 98 8 1 3 3 + 1999 999 99 9 52 362 5 + 1999 999 99 9 52 363 6 + 2000 0 0 0 52 364 7 + 2001 1 1 1 1 1 1 +(65 rows) + +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'::timestamp), + ('2018-11-02 12:34:56.78'), + ('2018-11-02 12:34:56.78901'), + ('2018-11-02 12:34:56.78901234') + ) d(d); + to_char +-------------------------------------------------------------------- + 0 00 000 0000 00000 000000 0 00 000 0000 00000 000000 000 000000 + 7 78 780 7800 78000 780000 7 78 780 7800 78000 780000 780 780000 + 7 78 789 7890 78901 789010 7 78 789 7890 78901 789010 789 789010 + 7 78 789 7890 78901 789012 7 78 789 7890 78901 789012 789 789012 +(4 rows) + +-- Roman months, with upper and lower case. +SELECT i, + to_char(i * interval '1mon', 'rm'), + to_char(i * interval '1mon', 'RM') + FROM generate_series(-13, 13) i; + i | to_char | to_char +-----+---------+--------- + -13 | xii | XII + -12 | i | I + -11 | ii | II + -10 | iii | III + -9 | iv | IV + -8 | v | V + -7 | vi | VI + -6 | vii | VII + -5 | viii | VIII + -4 | ix | IX + -3 | x | X + -2 | xi | XI + -1 | xii | XII + 0 | | + 1 | i | I + 2 | ii | II + 3 | iii | III + 4 | iv | IV + 5 | v | V + 6 | vi | VI + 7 | vii | VII + 8 | viii | VIII + 9 | ix | IX + 10 | x | X + 11 | xi | XI + 12 | xii | XII + 13 | i | I +(27 rows) + +-- timestamp numeric fields constructor +SELECT make_timestamp(2014, 12, 28, 6, 30, 45.887); + make_timestamp +------------------------------ + Sun Dec 28 06:30:45.887 2014 +(1 row) + +SELECT make_timestamp(-44, 3, 15, 12, 30, 15); + make_timestamp +----------------------------- + Fri Mar 15 12:30:15 0044 BC +(1 row) + +-- should fail +select make_timestamp(0, 7, 15, 12, 30, 15); +ERROR: date field value out of range: 0-07-15 +-- generate_series for timestamp +select * from generate_series('2020-01-01 00:00'::timestamp, + '2020-01-02 03:00'::timestamp, + '1 hour'::interval); + generate_series +-------------------------- + Wed Jan 01 00:00:00 2020 + Wed Jan 01 01:00:00 2020 + Wed Jan 01 02:00:00 2020 + Wed Jan 01 03:00:00 2020 + Wed Jan 01 04:00:00 2020 + Wed Jan 01 05:00:00 2020 + Wed Jan 01 06:00:00 2020 + Wed Jan 01 07:00:00 2020 + Wed Jan 01 08:00:00 2020 + Wed Jan 01 09:00:00 2020 + Wed Jan 01 10:00:00 2020 + Wed Jan 01 11:00:00 2020 + Wed Jan 01 12:00:00 2020 + Wed Jan 01 13:00:00 2020 + Wed Jan 01 14:00:00 2020 + Wed Jan 01 15:00:00 2020 + Wed Jan 01 16:00:00 2020 + Wed Jan 01 17:00:00 2020 + Wed Jan 01 18:00:00 2020 + Wed Jan 01 19:00:00 2020 + Wed Jan 01 20:00:00 2020 + Wed Jan 01 21:00:00 2020 + Wed Jan 01 22:00:00 2020 + Wed Jan 01 23:00:00 2020 + Thu Jan 02 00:00:00 2020 + Thu Jan 02 01:00:00 2020 + Thu Jan 02 02:00:00 2020 + Thu Jan 02 03:00:00 2020 +(28 rows) + +-- 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'::timestamp, + 'infinity'::timestamp, + '1 month'::interval) limit 10; + generate_series +-------------------------- + Sat Jan 01 00:00:00 2022 + Tue Feb 01 00:00:00 2022 + Tue Mar 01 00:00:00 2022 + Fri Apr 01 00:00:00 2022 + Sun May 01 00:00:00 2022 + Wed Jun 01 00:00:00 2022 + Fri Jul 01 00:00:00 2022 + Mon Aug 01 00:00:00 2022 + Thu Sep 01 00:00:00 2022 + Sat Oct 01 00:00:00 2022 +(10 rows) + +-- errors +select * from generate_series('2020-01-01 00:00'::timestamp, + '2020-01-02 03:00'::timestamp, + '0 hour'::interval); +ERROR: step size cannot equal zero |