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Please find attached a patch (diff -c against cvs HEAD) to add a

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function that accepts a double precision argument assumed to be a Unix
epoch timestamp and returns timestamp with time zone, and accompanying
documentation.

Usage:

test=# select to_timestamp(200120400);
       to_timestamp
------------------------
  1976-05-05 14:00:00+09
(1 row)

Michael Glaesemann
This commit is contained in:
Bruce Momjian
2005-06-09 16:35:09 +00:00
parent 4a5cda7bba
commit 4d0e7b4aac
2 changed files with 17 additions and 2 deletions
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4
src/include/catalog/pg_proc.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.364 2005/06/07 07:08:34 neilc Exp $
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.365 2005/06/09 16:35:09 momjian Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
@@ -1459,6 +1459,8 @@ DATA(insert OID = 1156 ( timestamptz_ge PGNSP PGUID 12 f f t f i 2 16 "1184 1
DESCR("greater-than-or-equal");
DATA(insert OID = 1157 ( timestamptz_gt PGNSP PGUID 12 f f t f i 2 16 "1184 1184" _null_ _null_ _null_ timestamp_gt - _null_ ));
DESCR("greater-than");
DATA(insert OID = 1158 ( to_timestamp PGNSP PGUID 14 f f t f i 1 1184 "701" _null_ _null_ _null_ "select (\'epoch\'::timestamptz + $1 * \'1 second\'::interval)" - _null_ ));
DESCR("convert UNIX epoch to timestamptz");
DATA(insert OID = 1159 ( timezone PGNSP PGUID 12 f f t f i 2 1114 "25 1184" _null_ _null_ _null_ timestamptz_zone - _null_ ));
DESCR("adjust timestamp to new time zone");