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Andrew pointed out that the current fix didn't handle dates that were

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near daylight savings time boudaries.  This handles it properly, e.g.

        test=> select '2005-04-03 04:00:00'::timestamp at time zone
        'America/Los_Angeles';
                timezone
        ------------------------
         2005-04-03 07:00:00-04
        (1 row)
This commit is contained in:
Bruce Momjian
2005-07-23 14:25:34 +00:00
parent 6c61b0d93c
commit 3dbbbbf8e9
6 changed files with 38 additions and 35 deletions
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6
src/backend/utils/adt/date.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/date.c,v 1.118 2005/07/22 05:03:09 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/date.c,v 1.119 2005/07/23 14:25:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -301,7 +301,7 @@ date2timestamptz(DateADT dateVal)
tm->tm_hour = 0;
tm->tm_min = 0;
tm->tm_sec = 0;
tz = DetermineLocalTimeZone(tm);
tz = DetermineTimeZoneOffset(tm, global_timezone);
#ifdef HAVE_INT64_TIMESTAMP
result = dateVal * USECS_PER_DAY + tz * USECS_PER_SEC;
@@ -2231,7 +2231,7 @@ time_timetz(PG_FUNCTION_ARGS)
GetCurrentDateTime(tm);
time2tm(time, tm, &fsec);
tz = DetermineLocalTimeZone(tm);
tz = DetermineTimeZoneOffset(tm, global_timezone);
result = (TimeTzADT *) palloc(sizeof(TimeTzADT));