pgsql: Advance multiple array keys rightmost-first instead of

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Advance multiple array keys rightmost-first instead of
Date: 2008-03-18 03:54:52
Message-ID: 20080318035452.D99877558DC@cvs.postgresql.org
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Log Message:
-----------
Advance multiple array keys rightmost-first instead of leftmost-first
during a bitmap index scan. This cannot affect the query results
(since we're just dumping the TIDs into a bitmap) but it might offer
some advantage in locality of access to the index. Per Greg Stark.

Modified Files:
--------------
pgsql/src/backend/executor:
nodeIndexscan.c (r1.125 -> r1.126)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeIndexscan.c?r1=1.125&r2=1.126)

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