Re: odd planner again, pg 9.0.8

Marcus Engene <mengpg2@engene.se> writes:
> Lacking index hints I have a bit of a problem with a slow select.

I don't think you need index hints.  What you probably do need is to
increase join_collapse_limit and/or from_collapse_limit to deal with
this complex query as a whole.

> There are several selects looking similar to this in our application
> that suddenly jumped from a handfull of ms to many seconds.

Perhaps you had those settings adjusted properly and somebody turned
them off again?

            regards, tom lane