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pgsql-server/src backend/optimizer/path/indxpa ...

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server/src backend/optimizer/path/indxpa ...
Date: 2003-05-13 04:38:58
Message-ID: 20030513043858.E70B647636B@postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
CVSROOT:	/cvsroot
Module name:	pgsql-server
Changes by:	tgl(at)postgresql(dot)org	03/05/13 00:38:58

Modified files:
	src/backend/optimizer/path: indxpath.c 
	src/backend/utils/cache: lsyscache.c syscache.c 
	src/backend/utils/sort: tuplesort.c 
	src/include/catalog: catversion.h indexing.h 

Log message:
	Change pg_amop's index on (amopclaid,amopopr) to index (amopopr,amopclaid).
	This makes no difference for existing uses, but allows SelectSortFunction()
	and pred_test_simple_clause() to use indexscans instead of seqscans to
	locate entries for a particular operator in pg_amop.  Better yet, they can
	use the SearchSysCacheList() API to cache the search results.


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