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List:       pgsql-performance
Subject:    Re: [PERFORM] Anti join miscalculates row number?
From:       Jens Reufsteck <jens.reufsteck () staufenbiel ! de>
Date:       2011-10-31 16:44:24
Message-ID: D7575D5CF73EAA46B288ACE093F35F010538F9FB494F () GRPGTIMAILBOX ! groupgti ! net
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Just tested on 9.0.5, seems ok. Explain for the suspected sub query is now in line with Analyze.

Thanks
Jens


"Jens Reufsteck" <jens.reufsteck@staufenbiel.de> writes:
> I’ve got a lengthy query, that doesn't finish in reasonable time (i.e.
> 10min+). I suspect, that the query optimizer miscalculates the number of
> rows for part of the query.
> ...
> We're using postgres 9.0.4.

Try 9.0.5.  There was a bug fixed in this area.

			regards, tom lane

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