Yeah, the culprit appears to be vacuum analyze (vacuum alone doesn't do it).
The problem is that I fixed the original database by dropping and
recreating the tables populating them with backed up data. And, now it
won't recreate (the values in pg_stats for them is lost).
Ugh.
I will keep trying to recreate it for you.
L.
On Wed, 2 Jan 2002, Tom Lane wrote:
> Laurette Cisneros <laurette@nextbus.com> writes:
> > This join worked last week and today it gets and error:
> > select * from b, d
> > where b.address = d.address;
> > It now fails with the following error:
> > ERROR: join_selectivity: bad value -0.121693
>
> Probably what has changed is the pg_statistic data (VACUUM ANALYZE
> results). Please send the results of
>
> select * from pg_stats where tablename = 'b';
> select * from pg_stats where tablename = 'd';
>
> regards, tom lane
>
--
Laurette Cisneros
(510) 420-3137
NextBus Information Systems, Inc.
www.nextbus.com
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