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Repair bad calculation in timetz_izone() which gave erroneous results.

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Will be patched separately but equivalently in HEAD for 7.3.
This commit is contained in:
Thomas G. Lockhart
2002-03-15 23:37:48 +00:00
parent 94a41d1326
commit efec53adb3
1 changed files with 6 additions and 5 deletions
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11
src/backend/utils/adt/date.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.64 2001/11/21 05:57:33 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.64.2.1 2002/03/15 23:37:48 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -1622,7 +1622,6 @@ timetz_izone(PG_FUNCTION_ARGS)
Interval *zone = PG_GETARG_INTERVAL_P(0);
TimeTzADT *time = PG_GETARG_TIMETZADT_P(1);
TimeTzADT *result;
TimeADT time1;
int tz;
if (zone->month != 0)
@ -1634,10 +1633,12 @@ timetz_izone(PG_FUNCTION_ARGS)
result = (TimeTzADT *) palloc(sizeof(TimeTzADT));
time1 = time->time - time->zone + tz;
TMODULO(result->time, time1, 86400e0);
if (result->time < 0)
result->time = (time->time + (time->zone - tz));
while (result->time < 0)
result->time += 86400;
while (result->time >= 86400)
result->time -= 86400;
result->zone = tz;
PG_RETURN_TIMETZADT_P(result);