Re: postgresql geqo optimization

On Fri, Feb 10, 2006 at 08:46:14PM -0500, uwcssa wrote:
> I am wondering if anyone here ever had complex queries that the GEQO fails
> to work properly, i.e.,  finds a terrible query plan as compared to one
> found by DP optimizer (by forcing Postgresql always uses DP).    This is
> important to me since I am trying to see what type of queries will be worth
> spending a lot of time doing a thorough DP optimization (if it is going to
> be executed again and again).

There have been a few problems earlier on this list which might have been the
geqo's fault; search the list archives for "geqo" or "genetic", and you
should be able to find them quite easily.

/* Steinar */
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