Re: bug in join?

OOps, never mind about the triggers.  But, I will keep trying to induce the
problem for you.

L.
On Wed, 2 Jan 2002, Tom Lane wrote:

> Laurette Cisneros <laurette@nextbus.com> writes:
> > I will keep trying to recreate it for you.
>
> You could just try
>
>     analyze b;
>     analyze d;
>     explain select * from b,d where b.address = d.address;
>
> and repeat until you see the error from EXPLAIN.  Since ANALYZE takes
> a random sampling these days, successive loops will in fact produce
> slightly different results, and you may be able to recreate the
> erroneous state eventually.
>
> The math in eqjoinsel() is not entirely trivial, but I thought I had
> convinced myself it was okay.  I need to see a failing example to
> figure out what's wrong with it.
>
>             regards, tom lane
>

-- 
Laurette Cisneros
(510) 420-3137
NextBus Information Systems, Inc.
www.nextbus.com
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