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 <t...@sss.pgh.pa.us> wrote: > "Bramandia Ramadhana" <braman...@gmail.com> writes: > > As per title, what is the lifetime of the virtual tuple TupleTableSlot* > > returned by ExecProcNode? > > Until you next call that same plan node. > > regards, tom lane >