On Tue, Feb 10, 2009 at 3:10 PM, Tom Lane <t...@sss.pgh.pa.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

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