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Make EXTRACT(TIMEZONE) and SET/SHOW TIMEZONE follow the SQL convention

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for the sign of timezone offsets, ie, positive is east from UTC.  These
were previously out of step with other operations that accept or show
timezones, such as I/O of timestamptz values.
This commit is contained in:
Tom Lane
2003-07-17 00:55:37 +00:00
parent 93236b58e0
commit 764f72dc82
10 changed files with 74 additions and 41 deletions
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6
src/include/miscadmin.h
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: miscadmin.h,v 1.125 2003/06/27 19:08:38 tgl Exp $
* $Id: miscadmin.h,v 1.126 2003/07/17 00:55:37 tgl Exp $
*
* NOTES
* some of the information in this file should be moved to
@ -147,7 +147,9 @@ extern DLLIMPORT Oid MyDatabaseId;
* EuroDates if client prefers dates interpreted and written w/European conventions.
*
* HasCTZSet is true if user has set timezone as a numeric offset from UTC.
* If so, CTimeZone is the timezone offset in seconds.
* If so, CTimeZone is the timezone offset in seconds (using the Unix-ish
* sign convention, ie, positive offset is west of UTC, rather than the
* SQL-ish convention that positive is east of UTC).
*/
#define MAXTZLEN 10 /* max TZ name len, not counting tr. null */