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Fix typo in tts_virtual_copyslot.

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The code used the destination slot's natts where it intended to
use the source slot's natts.  Adding an Assert shows that there
is no case in "make check-world" where these counts are different,
so maybe this is a harmless bug, but it's still a bug.

Takayuki Tsunakawa

Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1FD34C0E@G01JPEXMBYT05
This commit is contained in:
Tom Lane 2019-09-22 14:21:07 -04:00
parent ee98adede5
commit 308813846e
1 changed files with 1 additions and 1 deletions
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2
src/backend/executor/execTuples.c
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@ -243,7 +243,7 @@ tts_virtual_materialize(TupleTableSlot *slot)
static void static void
tts_virtual_copyslot(TupleTableSlot *dstslot, TupleTableSlot *srcslot) tts_virtual_copyslot(TupleTableSlot *dstslot, TupleTableSlot *srcslot)
{ {
TupleDesc srcdesc = dstslot->tts_tupleDescriptor; TupleDesc srcdesc = srcslot->tts_tupleDescriptor;
Assert(srcdesc->natts <= dstslot->tts_tupleDescriptor->natts); Assert(srcdesc->natts <= dstslot->tts_tupleDescriptor->natts);