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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 16:50:46
Message-ID: 20051206165046.0BEA99DD55A@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:
----
REL8_1_STABLE

Modified Files:
--------------
    pgsql/src/backend/optimizer/path:
        indxpath.c (r1.191.2.3 -> r1.191.2.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/indxpath.c.diff?r1=1.191.2.3&r2=1.191.2.4)

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