Alberto Dalmaso <dalmaso@xxxxxxxxxx> wrote: > I attach the explanation of the log query after setting all the > enable to on. In this condition the query will never finish... I notice that you many joins in there. If the query can't be simplified, you probably need to boost the join_collapse_limit and from_collapse_limit quite a bit. If planning time goes through the roof in that case, you may need to enable geqo -- this is what it's intended to help. If you try geqo, you may need to tune it; I'm not familiar with the knobs for tuning that, so maybe someone else will jump in if you get to that point. -Kevin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance