"Bramandia Ramadhana" <braman...@gmail.com> writes:
> Hmm how if an upper level node needs to store (for future use) the
> TupleTableSlot* returned by lower level node, e.g. I create a specialized
> Sort Node which needs to read all tuples from lower level nodes. In this
> case, would it be necessary and sufficient to make a copy the TupleTableSlot
It would be a pretty crummy way to approach it, because a Slot is not
intended to be a compact representation. You probably want to use a
tuplestore or tuplesort object instead.
regards, tom lane
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