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Re: 7.0 weirdness

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jeff MacDonald <jeff(at)pgsql(dot)com>
Cc: omid omoomi <oomoomi(at)hotmail(dot)com>, pgsql-sql(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: 7.0 weirdness
Date: 2000-05-30 14:44:59
Message-ID: 1967.959697899@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-sql
Jeff MacDonald <jeff(at)pgsql(dot)com> writes:
> gid is unique.. it's a serial..

Mph.  If you assume that gid is unique then the query would give
well-defined results, but if you know it's unique then why don't
you just leave off the DISTINCT?

> funny thing is tho this worked on 6.5

No, 6.5 merely failed to notice that it was giving you undefined
results.

			regards, tom lane

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