On Tue, Feb 10, 2009 at 3:10 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I wrote (in response to Kevin Grittner's recent issues):
> > Reflecting on this further, I suspect there are also some bugs in the
> > planner's rules about when semi/antijoins can commute with other joins;
>
> After doing some math I've concluded this is in fact the case. Anyone
> want to check my work?
FWIW, the logic looks correct to me.
--
Jonah H. Harris, Senior DBA
myYearbook.com