Marcus Engene <meng...@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
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