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Small cleanups in fast default code.

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Problems identified by Andres Freund and Haribabu Kommi
This commit is contained in:
Andrew Dunstan
2018-04-01 08:16:18 +09:30
parent 94173d3eeb
commit ed69864350
2 changed files with 14 additions and 15 deletions
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16
src/backend/executor/execTuples.c
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@ -626,8 +626,7 @@ ExecCopySlotMinimalTuple(TupleTableSlot *slot)
return heap_copy_minimal_tuple(slot->tts_mintuple);
if (slot->tts_tuple)
{
if (TTS_HAS_PHYSICAL_TUPLE(slot) &&
HeapTupleHeaderGetNatts(slot->tts_tuple->t_data)
if (HeapTupleHeaderGetNatts(slot->tts_tuple->t_data)
< slot->tts_tupleDescriptor->natts)
return minimal_expand_tuple(slot->tts_tuple,
slot->tts_tupleDescriptor);
@ -675,18 +674,15 @@ ExecFetchSlotTuple(TupleTableSlot *slot)
if (HeapTupleHeaderGetNatts(slot->tts_tuple->t_data) <
slot->tts_tupleDescriptor->natts)
{
HeapTuple tuple;
MemoryContext oldContext = MemoryContextSwitchTo(slot->tts_mcxt);
slot->tts_tuple = heap_expand_tuple(slot->tts_tuple,
slot->tts_tupleDescriptor);
slot->tts_shouldFree = true;
tuple = heap_expand_tuple(slot->tts_tuple,
slot->tts_tupleDescriptor);
MemoryContextSwitchTo(oldContext);
return slot->tts_tuple;
}
else
{
return slot->tts_tuple;
slot = ExecStoreTuple(tuple, slot, InvalidBuffer, true);
}
return slot->tts_tuple;
}
/*