Bertrand Petit <pgsql(at)phoe(dot)frmug(dot)org> writes:
> I recently switched to 7.4 beta 1, one query that used to be
> corectly executed uder 7.3.3 albeit slowly now abnormaly ends when the
> backend can't get more memory when it ate about 480 MB of swap space.
Please show us the memory context size info that the backend dumps to
stderr when it reports "out of memory".
regards, tom lane