Re: pgsql-server/src/backend/optimizer/util pathnode.c

From: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
To: Tom Lane <tgl(at)svr1(dot)postgresql(dot)org>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql-server/src/backend/optimizer/util pathnode.c
Date: 2004-03-03 04:14:31
Message-ID: 40455BA7.8010003@familyhealth.com.au
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> Teach is_distinct_query to recognize that GROUP BY forces a subquery's
> output to be distinct, if all the GROUP BY columns appear in the output.
> Per suggestion from Dennis Haney.

Will this have should-be-in-release-notes side effects just as the
results of a DISTINCT over a GROUP BY no longer being sorted?

Chris

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