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Commitd11d8d0

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Fix time_larger, time_smaller, timetz_larger, timetz_smaller to meet
nodeAgg.c's expectation that aggregate transition functions never returnpointers to their input values. This is fixed in a much better way incurrent sources, but in 7.0.* it's gotta be done like this.
1 parent4093838 commitd11d8d0

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1 file changed

+25
-5
lines changed

1 file changed

+25
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‎src/backend/utils/adt/date.c‎

Lines changed: 25 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.44 2000/04/12 17:15:48 momjian Exp $
11+
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.44.2.1 2000/10/19 20:52:35 tgl Exp $
1212
*
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*-------------------------------------------------------------------------
1414
*/
@@ -495,13 +495,23 @@ time_cmp(TimeADT *time1, TimeADT *time2)
495495
TimeADT*
496496
time_larger(TimeADT*time1,TimeADT*time2)
497497
{
498-
returntime_gt(time1,time2) ?time1 :time2;
498+
TimeADT*result;
499+
500+
/* nodeAgg.c expects me to return a copied datum! */
501+
result=palloc(sizeof(*result));
502+
*result=time_gt(time1,time2) ?*time1 :*time2;
503+
returnresult;
499504
}/* time_larger() */
500505

501506
TimeADT*
502507
time_smaller(TimeADT*time1,TimeADT*time2)
503508
{
504-
returntime_lt(time1,time2) ?time1 :time2;
509+
TimeADT*result;
510+
511+
/* nodeAgg.c expects me to return a copied datum! */
512+
result=palloc(sizeof(*result));
513+
*result=time_lt(time1,time2) ?*time1 :*time2;
514+
returnresult;
505515
}/* time_smaller() */
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507517
/* overlaps_time()
@@ -742,13 +752,23 @@ timetz_cmp(TimeTzADT *time1, TimeTzADT *time2)
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TimeTzADT*
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timetz_larger(TimeTzADT*time1,TimeTzADT*time2)
744754
{
745-
returntimetz_gt(time1,time2) ?time1 :time2;
755+
TimeTzADT*result;
756+
757+
/* nodeAgg.c expects me to return a copied datum! */
758+
result=palloc(sizeof(*result));
759+
*result=timetz_gt(time1,time2) ?*time1 :*time2;
760+
returnresult;
746761
}/* timetz_larger() */
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748763
TimeTzADT*
749764
timetz_smaller(TimeTzADT*time1,TimeTzADT*time2)
750765
{
751-
returntimetz_lt(time1,time2) ?time1 :time2;
766+
TimeTzADT*result;
767+
768+
/* nodeAgg.c expects me to return a copied datum! */
769+
result=palloc(sizeof(*result));
770+
*result=timetz_lt(time1,time2) ?*time1 :*time2;
771+
returnresult;
752772
}/* timetz_smaller() */
753773

754774
/* overlaps_timetz()

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