Re: lifetime of TubleTableSlot* returned by ExecProcNode
| От | Tom Lane |
|---|---|
| Тема | Re: lifetime of TubleTableSlot* returned by ExecProcNode |
| Дата | |
| Msg-id | 18536.1229135787@sss.pgh.pa.us обсуждение исходный текст |
| Ответ на | Re: lifetime of TubleTableSlot* returned by ExecProcNode ("Bramandia Ramadhana" <bramandia@gmail.com>) |
| Ответы |
Re: lifetime of TubleTableSlot* returned by ExecProcNode
Re: lifetime of TubleTableSlot* returned by ExecProcNode |
| Список | pgsql-hackers |
"Bramandia Ramadhana" <bramandia@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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