Re: GEQO status?

Thomas Lockhart wrote:
> 
> > What is the status of the genetic algorithm query optimizer?  Is this
> > supposed to work well on many-table joins, or has it fallen out of favor
> > or in disrepair?  [I'm needing to optimize some large, many-table-join
> > queries and wondering time spent configuring/understanding geqo would be
> > fruitful...]
> 
> It is the only techique we have to achieve adequate performance on
> many-table joins. It has received little work recently, but that may be
> due to having received no complaints or discussions that I can recall.

I'm having some trouble, not sure its related to GEQO.  Is there a
PGOPTIONS flag to turn it off to attempt isolate the problem?

Ed