Re: GEQO status? - Mailing list pgsql-hackers

From Thomas Lockhart
Subject Re: GEQO status?
Date
Msg-id 3A43E051.181A21A@alumni.caltech.edu
Whole thread Raw
In response to GEQO status?  (Ed Loehr <eloehr@austin.rr.com>)
List pgsql-hackers
> 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.
                  - Thomas


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