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pgsql: In a nestloop inner indexscan, it's OK to use pushed-down

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: In a nestloop inner indexscan, it's OK to use pushed-down
Date: 2005-12-06 16:59:23
Message-ID: 20051206165923.C566A9DCB0B@postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
Log Message:
-----------
In a nestloop inner indexscan, it's OK to use pushed-down baserestrictinfo
clauses even if it's an outer join.  This is a corner case since such
clauses could only arise from weird OUTER JOIN ON conditions, but worth
fixing.  Per example from Ron at cheapcomplexdevices.com.

Tags:
----
REL7_4_STABLE

Modified Files:
--------------
    pgsql/src/backend/optimizer/path:
        indxpath.c (r1.147.4.1 -> r1.147.4.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/indxpath.c.diff?r1=1.147.4.1&r2=1.147.4.2)

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