On Sun, Mar 7, 2010 at 12:57 PM, Josh Berkus <josh@xxxxxxxxxxxx> wrote: >>> Yeah, I can generate one pretty easily; the behavior is readily >>> observable and repeatable. Will get on it RSN, but at you said, we're >>> not doing anything about it for 9.0. > > Well, I can generate a test case, but on examination it turns out to be > nothing to do with partitioning; it's just good old "n-distinct > underestimation", and not really related to partitioning or joins. Ah. Well in 9.0 there will be a work around, by me as it happens. :-) ...Robert -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance