Re: join removal

On Sun, 2010-03-28 at 02:15 -0400, Tom Lane wrote:
> I wrote:
> > [ crude patch ]
> 
> Oh, btw, if you try to run the regression test additions in that patch
> against CVS HEAD, you'll find out that HEAD actually fails to optimize
> the two-levels-of-removable-joins case.  Seems like another reason to
> press ahead with making the change.

Yes, please.

Does the new patch find more than two levels of join removal?

-- Simon Riggs           www.2ndQuadrant.com