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pgsql-server/src backend/nodes/copyfuncs.c bac ...

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server/src backend/nodes/copyfuncs.c bac ...
Date: 2004-01-05 05:07:36
Message-ID: 20040105050736.4A855D1B43D@svr1.postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
CVSROOT:	/cvsroot
Module name:	pgsql-server
Changes by:	tgl(at)svr1(dot)postgresql(dot)org	04/01/05 01:07:36

Modified files:
	src/backend/nodes: copyfuncs.c equalfuncs.c outfuncs.c 
	src/backend/optimizer/path: allpaths.c costsize.c indxpath.c 
	                            joinpath.c orindxpath.c 
	src/backend/optimizer/plan: createplan.c initsplan.c 
	src/backend/optimizer/util: pathnode.c restrictinfo.c 
	src/include/nodes: relation.h 
	src/include/optimizer: cost.h paths.h restrictinfo.h 

Log message:
	Add the ability to extract OR indexscan conditions from OR-of-AND
	join conditions in which each OR subclause includes a constraint on
	the same relation.  This implements the other useful side-effect of
	conversion to CNF format, without its unpleasant side-effects.  As
	per pghackers discussion of a few weeks ago.


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