"Simon Riggs" <[EMAIL PROTECTED]> writes:
> Is it possible to allocate the subquery in a child context of the main
> query, so that it is technically a different context, yet can be freed
> simultaneously?

That's exactly what the code *was* doing, but the problem is that we'd
free the child context during ExecEndSubqueryScan, at which point the
tupdesc is still needed.

                        regards, tom lane

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