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Add 'day' field to INTERVAL so 1 day interval can be distinguished from

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24 hours. This is very helpful for daylight savings time:

	select '2005-05-03 00:00:00 EST'::timestamp with time zone + '24 hours';
	      ?column?
	----------------------
	2005-05-04 01:00:00-04

	select '2005-05-03 00:00:00 EST'::timestamp with time zone + '1 day';
	      ?column?
	----------------------
	2005-05-04 01:00:00-04

Michael Glaesemann
This commit is contained in:
Bruce Momjian
2005-07-20 16:42:32 +00:00
parent 826604f9e6
commit db05f4a7eb
12 changed files with 286 additions and 181 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 1.112 2005/07/12 15:17:44 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/date.c,v 1.113 2005/07/20 16:42:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1423,6 +1423,7 @@ time_interval(PG_FUNCTION_ARGS)
result = (Interval *) palloc(sizeof(Interval));
result->time = time;
result->day = 0;
result->month = 0;
PG_RETURN_INTERVAL_P(result);
@@ -1477,8 +1478,9 @@ time_mi_time(PG_FUNCTION_ARGS)
result = (Interval *) palloc(sizeof(Interval));
result->time = (time1 - time2);
result->month = 0;
result->day = 0;
result->time = time1 - time2;
PG_RETURN_INTERVAL_P(result);
}