Quoting Tom Lane <[EMAIL PROTECTED]>:

> Yeah, the whole thing is only a heuristic anyway.  I've been coming
> around to the view that relation membership shouldn't matter, because
> of cases like
> 
>       WHERE a.x > b.y AND a.x < 42
> 
> which surely should be taken as a range constraint.

Out of curiosity, will the planner induce "b.y < 42" out of this?

-- 
"Dreams come true, not free."


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