Re: bug in join?

Thanks Tom!

On Wed, 2 Jan 2002, Tom Lane wrote:

> Okay, I've been able to reproduce the problem here.  Looks like the
> eqjoinsel math is not wrong, exactly, but small roundoff errors are
> causing the logic to do unreasonable things.  I think
> get_att_numdistinct needs to round its result to an integer, and
> probably there needs to be some clamping of computed probabilities to
> the 0..1 range (otherfreq1 is coming out about -4.4703483581542969e-08
> in this example, which should be clamped to 0).
>
> Will have a fix late tonight or tomorrow.
>
> Thanks for the example case!
>
>             regards, tom lane
>

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