On Mon, 2007-10-22 at 09:31 -0500, Kevin Grittner wrote:
> I've requested this before without response, but I'm asking again
> because it just caused me pain again: could we get a TODO added to
> have the planner recognize equivalent IN and EXISTS constructs and
> have them compete on cost estimates?  I know it's not a trivial
> improvement, but if it's on the list maybe someone will pick it up,
> and I see it as the single biggest weakness in PostgreSQL
> performance.

I'll pick it up as a default unless someone requests they have it from

  Simon Riggs
  2ndQuadrant  http://www.2ndQuadrant.com

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