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-rw-r--r--src/test/regress/expected/timestamp.out91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/test/regress/expected/timestamp.out b/src/test/regress/expected/timestamp.out
index fff3cf08c17..690656dfb2d 100644
--- a/src/test/regress/expected/timestamp.out
+++ b/src/test/regress/expected/timestamp.out
@@ -1012,6 +1012,84 @@ SELECT d1 as "timestamp",
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
@@ -1019,6 +1097,19 @@ SELECT date_part('epoch', '294270-01-01 00:00:00'::timestamp);
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)
+
-- TO_CHAR()
SELECT to_char(d1, 'DAY Day day DY Dy dy MONTH Month month RM MON Mon mon')
FROM TIMESTAMP_TBL;
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-15 10:18:04 +0000