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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Luca Pireddu <luca@cs.ualberta.ca>
Cc: pgsql-sql@postgresql.org
Subject: Re: problem (bug?) with "in (subquery)"
Date: Fri, 15 Jul 2005 09:59:27 -0400
Message-ID: <10971.1121435967@sss.pgh.pa.us> (raw)
In-Reply-To: <200507140134.21133.luca@cs.ualberta.ca>
References: <200507140134.21133.luca@cs.ualberta.ca>

Luca Pireddu <luca@cs.ualberta.ca> writes:
> So, am I wrong in expecting each strain record to appear only once in the 
> result set?  Or is there something wrong with PostgreSQL?

Could we see a self-contained example (table definitions and sample data
as a SQL script)?  I don't really have time to reverse-engineer a test
case from your description ...

			regards, tom lane



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