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pgsql/src/backend/utils/adt ruleutils.c

From: Tom Lane <tgl(at)hub(dot)org>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src/backend/utils/adt ruleutils.c
Date: 2001-04-15 03:14:18
Message-ID: 200104150314.f3F3EIC73690@hub.org (view raw or flat)
Thread:
Lists: pgsql-committers
CVSROOT:	/home/projects/pgsql/cvsroot
Module name:	pgsql
Changes by:	tgl(at)hub(dot)org	01/04/14 23:14:18

Modified files:
	src/backend/utils/adt: ruleutils.c 

Log message:
	Constant expressions that appear in ORDER BY, GROUP BY, DISTINCT ON
	lists should be reverse-compiled into targetlist index numbers, because
	that's the only interpretation the parser allows for a constant in these
	clauses.  (Ergo, the only way they could have gotten into the list in
	the first place is to have come from the targetlist; so this should always
	work.)  Per problem report from Peter E.


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