"Joshua D. Drake" <jd@commandprompt.com> writes:
> Not surprising really. It is a simple adjustment to make and it also is
> easy to spot when its a problem. However it is not trivial to test for
> (in terms of time and effort). I know 10 is wrong and so do you.
Sure. But what is right? I'm afraid to just push it to (say) 100
because of the possibility of O(N^2) behavior in eqjoinsel. Somebody
needs to do some measurements on somewhat realistic scenarios.
regards, tom lane
