I see.
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 ?
Regards,
Bramandia R.
On Fri, Dec 12, 2008 at 9:13 PM, Tom Lane
<tgl@sss.pgh.pa.us> wrote:
"Bramandia Ramadhana" <
bramandia@gmail.com> writes:
> As per title, what is the lifetime of the virtual tuple TupleTableSlot*
> returned by ExecProcNode?
regards, tom lane