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.
At risk of being off-topic here, is there a reason why GEQO is off by
default in the ODBC driver (postdrv.exe)? I vaguely recall something
about this from a year ago, but can't find it.
Regards,
Ed Loehr
