diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/executor/execTuples.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/src/backend/executor/execTuples.c b/src/backend/executor/execTuples.c index dffc7379cbe..d92ba062d44 100644 --- a/src/backend/executor/execTuples.c +++ b/src/backend/executor/execTuples.c @@ -15,7 +15,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/executor/execTuples.c,v 1.108 2009/07/22 17:00:20 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/executor/execTuples.c,v 1.109 2009/07/23 21:27:10 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1215,27 +1215,28 @@ begin_tup_output_tupdesc(DestReceiver *dest, TupleDesc tupdesc) /* * write a single tuple - * - * XXX This could be made more efficient, since in reality we probably only - * need a virtual tuple. */ void do_tup_output(TupOutputState *tstate, Datum *values, bool *isnull) { - TupleDesc tupdesc = tstate->slot->tts_tupleDescriptor; - HeapTuple tuple; + TupleTableSlot *slot = tstate->slot; + int natts = slot->tts_tupleDescriptor->natts; - /* form a tuple */ - tuple = heap_form_tuple(tupdesc, values, isnull); + /* make sure the slot is clear */ + ExecClearTuple(slot); - /* put it in a slot */ - ExecStoreTuple(tuple, tstate->slot, InvalidBuffer, true); + /* insert data */ + memcpy(slot->tts_values, values, natts * sizeof(Datum)); + memcpy(slot->tts_isnull, isnull, natts * sizeof(bool)); + + /* mark slot as containing a virtual tuple */ + ExecStoreVirtualTuple(slot); /* send the tuple to the receiver */ - (*tstate->dest->receiveSlot) (tstate->slot, tstate->dest); + (*tstate->dest->receiveSlot) (slot, tstate->dest); /* clean up */ - ExecClearTuple(tstate->slot); + ExecClearTuple(slot); } /* |