Google Git
Sign in
apache / cloudberry / refs/heads/cbdb-postgres-merge / . / src / test / regress / expected / timestamp.out
blob: 285fcd78afdb3cab9d551bed21315550e4629f04 [file] [log] [blame]
--
-- 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)
-- test roundoff edge case when source < origin
SELECT date_bin('30 minutes'::interval, timestamp '2024-02-01 15:00:00', timestamp '2024-02-01 17:00:00');
date_bin
--------------------------
Thu Feb 01 15:00:00 2024
(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)
-- TO_TIMESTAMP()
SELECT '' AS to_timestamp_1, to_timestamp('0097/Feb/16 --> 08:14:30', 'YYYY/Mon/DD --> HH:MI:SS');
to_timestamp_1 | to_timestamp
----------------+------------------------------
| Sat Feb 16 08:14:30 0097 LMT
(1 row)
SELECT '' AS to_timestamp_2, to_timestamp('97/2/16 8:14:30', 'FMYYYY/FMMM/FMDD FMHH:FMMI:FMSS');
to_timestamp_2 | to_timestamp
----------------+------------------------------
| Sat Feb 16 08:14:30 0097 LMT
(1 row)
SELECT '' AS to_timestamp_3, to_timestamp('1985 January 12', 'YYYY FMMonth DD');
to_timestamp_3 | to_timestamp
----------------+------------------------------
| Sat Jan 12 00:00:00 1985 PST
(1 row)
SELECT '' AS to_timestamp_4, to_timestamp('My birthday-> Year: 1976, Month: May, Day: 16',
'"My birthday-> Year" YYYY, "Month:" FMMonth, "Day:" DD');
to_timestamp_4 | to_timestamp
----------------+------------------------------
| Sun May 16 00:00:00 1976 PDT
(1 row)
SELECT '' AS to_timestamp_5, to_timestamp('1,582nd VIII 21', 'Y,YYYth FMRM DD');
to_timestamp_5 | to_timestamp
----------------+------------------------------
| Sat Aug 21 00:00:00 1582 LMT
(1 row)
SELECT '' AS to_timestamp_6, to_timestamp('15 "text between quote marks" 98 54 45',
E'HH "\\text between quote marks\\"" YY MI SS');
WARNING: hour "15" is invalid for the 12-hour clock
HINT: Use the 24-hour clock, or give an hour between 1 and 12.
to_timestamp_6 | to_timestamp
----------------+------------------------------
| Thu Jan 01 15:54:45 1998 PST
(1 row)
SELECT '' AS to_timestamp_7, to_timestamp('05121445482000', 'MMDDHHMISSYYYY');
WARNING: hour "14" is invalid for the 12-hour clock
HINT: Use the 24-hour clock, or give an hour between 1 and 12.
to_timestamp_7 | to_timestamp
----------------+------------------------------
| Fri May 12 14:45:48 2000 PDT
(1 row)
SELECT '' AS to_timestamp_8, to_timestamp('2000January09Sunday', 'YYYYFMMonthDDFMDay');
to_timestamp_8 | to_timestamp
----------------+------------------------------
| Sun Jan 09 00:00:00 2000 PST
(1 row)
SELECT '' AS to_timestamp_9, to_timestamp('97/Feb/16', 'YYMonDD');
ERROR: invalid value "/Feb/16" for "Mon"
DETAIL: The given value did not match any of the allowed values for this field.
SELECT '' AS to_timestamp_10, to_timestamp('19971116', 'YYYYMMDD');
to_timestamp_10 | to_timestamp
-----------------+------------------------------
| Sun Nov 16 00:00:00 1997 PST
(1 row)
SELECT '' AS to_timestamp_11, to_timestamp('20000-1116', 'YYYY-MMDD');
to_timestamp_11 | to_timestamp
-----------------+-------------------------------
| Thu Nov 16 00:00:00 20000 PST
(1 row)
SELECT '' AS to_timestamp_12, to_timestamp('9-1116', 'Y-MMDD');
to_timestamp_12 | to_timestamp
-----------------+------------------------------
| Mon Nov 16 00:00:00 2009 PST
(1 row)
SELECT '' AS to_timestamp_13, to_timestamp('95-1116', 'YY-MMDD');
to_timestamp_13 | to_timestamp
-----------------+------------------------------
| Thu Nov 16 00:00:00 1995 PST
(1 row)
SELECT '' AS to_timestamp_14, to_timestamp('995-1116', 'YYY-MMDD');
to_timestamp_14 | to_timestamp
-----------------+------------------------------
| Thu Nov 16 00:00:00 1995 PST
(1 row)
SELECT '' AS to_timestamp_15, to_timestamp('2005426', 'YYYYWWD');
to_timestamp_15 | to_timestamp
-----------------+------------------------------
| Sat Oct 15 00:00:00 2005 PDT
(1 row)
SELECT '' AS to_timestamp_16, to_timestamp('2005300', 'YYYYDDD');
to_timestamp_16 | to_timestamp
-----------------+------------------------------
| Thu Oct 27 00:00:00 2005 PDT
(1 row)
SELECT '' AS to_timestamp_17, to_timestamp('2005527', 'IYYYIWID');
to_timestamp_17 | to_timestamp
-----------------+------------------------------
| Sun Jan 01 00:00:00 2006 PST
(1 row)
SELECT '' AS to_timestamp_18, to_timestamp('005527', 'IYYIWID');
to_timestamp_18 | to_timestamp
-----------------+------------------------------
| Sun Jan 01 00:00:00 2006 PST
(1 row)
SELECT '' AS to_timestamp_19, to_timestamp('05527', 'IYIWID');
to_timestamp_19 | to_timestamp
-----------------+------------------------------
| Sun Jan 01 00:00:00 2006 PST
(1 row)
SELECT '' AS to_timestamp_20, to_timestamp('5527', 'IIWID');
to_timestamp_20 | to_timestamp
-----------------+------------------------------
| Sun Jan 01 00:00:00 2006 PST
(1 row)
SELECT '' AS to_timestamp_21, to_timestamp('2005364', 'IYYYIDDD');
to_timestamp_21 | to_timestamp
-----------------+------------------------------
| Sun Jan 01 00:00:00 2006 PST
(1 row)
SET DateStyle TO DEFAULT;
-- Make sure timeofdate() and current_time() are doing roughly the same thing
select timeofday()::date = current_timestamp::date;
?column?
----------
t
(1 row)
-- 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