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Re: Join Problem in Postgres 7.0.2

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: xudien(at)hotmail(dot)com, pgsql-bugs(at)postgresql(dot)org
Subject: Re: Join Problem in Postgres 7.0.2
Date: 2000-11-29 16:36:15
Message-ID: 27642.975515775@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
pgsql-bugs(at)postgresql(dot)org writes:
> I get into a situation, in which I think it is a bug in either psql or
> the database.  I have experienced that when I ran two queries in psql,
> which are equivalent, I received two different results

Does EXPLAIN show that the failing query has a Merge Join directly
underneath another Merge Join?  If so, this is a known bug.  It's
fixed in 7.0.3.

			regards, tom lane

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