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pgsql: Advance multiple array keys rightmost-first instead of - Mailing list pgsql-committers

From tgl@postgresql.org (Tom Lane)
Subject pgsql: Advance multiple array keys rightmost-first instead of
Date
Msg-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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