Re: join ordering via Simulated Annealing

Andres Freund wrote:
> On Wednesday 23 December 2009 02:23:55 Jan Urbański wrote:

>> Lastly, I'm lacking good testcases

> If you want to see some queries which are rather hard to plan with random
> search you can look at
> http://archives.postgresql.org/message-
> id/200907091700(dot)43411(dot)andres(at)anarazel(dot)de
> which tom analyzed and improved here http://archives.postgresql.org/message-
> id/17807(dot)1247932094(at)sss(dot)pgh(dot)pa(dot)us

Thanks, these look like good testing candidates, not least because they
trigger assertion errors with my code :( I'll report back when they're
fixed...

> Robert had another example in
> 603c8f070911271205r4d4534edt1cebcb76ff5066a5(at)mail(dot)gmail(dot)com that might be
> interesting.

Yes, I rememberd this one, will try to put them through the mill as soon
as I fix my code.

Cheers,
Jan