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Re: subquery results bypassed

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: woody+postgresqlbugs(at)switchonline(dot)com(dot)au, pgsql-bugs(at)postgresql(dot)org
Subject: Re: subquery results bypassed
Date: 2001-07-31 03:50:47
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
pgsql-bugs(at)postgresql(dot)org writes:
> [ SELECT DISTINCT ON in a subquery-in-FROM misbehaves ]

Oooh, good catch!  I had thought about pushing down quals into a SELECT
DISTINCT, and concluded it was OK because the qual would eliminate all
or none of a set of not-DISTINCT rows.  But I forgot about DISTINCT ON

Will have a source patch for this tomorrow, if that helps.

			regards, tom lane

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Subject: v7.0.2: can't use 'EXTRACT(EPOCH FROM'
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