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Update timezone code to track the upstream changes since 2003. In particular

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this adds support for 64-bit tzdata files, which is needed to support DST
calculations beyond 2038.  Add a regression test case to give some minimal
confidence that that really works.

Heikki Linnakangas
This commit is contained in:
Tom Lane
2008-02-16 21:16:04 +00:00
parent 2f67722dda
commit 0171e72d4d
12 changed files with 1347 additions and 440 deletions
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9
src/timezone/pgtz.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.58 2008/02/11 19:55:11 mha Exp $
* $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.59 2008/02/16 21:16:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -287,7 +287,7 @@ score_timezone(const char *tzname, struct tztry * tt)
* Load timezone directly. Don't use pg_tzset, because we don't want all
* timezones loaded in the cache at startup.
*/
if (tzload(tzname, NULL, &tz.state) != 0)
if (tzload(tzname, NULL, &tz.state, TRUE) != 0)
{
if (tzname[0] == ':' || tzparse(tzname, &tz.state, FALSE) != 0)
{
@ -1191,7 +1191,7 @@ pg_tzset(const char *name)
return &tzp->tz;
}
if (tzload(uppername, canonname, &tzstate) != 0)
if (tzload(uppername, canonname, &tzstate, TRUE) != 0)
{
if (uppername[0] == ':' || tzparse(uppername, &tzstate, FALSE) != 0)
{
@ -1463,7 +1463,8 @@ pg_tzenumerate_next(pg_tzenum *dir)
* Load this timezone using tzload() not pg_tzset(), so we don't fill
* the cache
*/
if (tzload(fullname + dir->baselen, dir->tz.TZname, &dir->tz.state) != 0)
if (tzload(fullname + dir->baselen, dir->tz.TZname, &dir->tz.state,
TRUE) != 0)
{
/* Zone could not be loaded, ignore it */
continue;