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pgsql: Remove prohibition against SubLinks in the WHERE clause of an

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Remove prohibition against SubLinks in the WHERE clause of an
Date: 2008-08-17 02:19:20
Message-ID: 20080817021920.27D6F755315@cvs.postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
Log Message:
-----------
Remove prohibition against SubLinks in the WHERE clause of an EXISTS subquery
that we're considering pulling up.  I hadn't wanted to think through whether
that could work during the first pass at this stuff.  However, on closer
inspection it seems to be safe enough.

Modified Files:
--------------
    pgsql/src/backend/optimizer/plan:
        subselect.c (r1.134 -> r1.135)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/plan/subselect.c?r1=1.134&r2=1.135)

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Next:From: Magnus HaganderDate: 2008-08-17 18:16:51
Subject: Re: pgsql: Make the pg_stat_activity view call a SRF
Previous:From: Tom LaneDate: 2008-08-17 01:20:00
Subject: pgsql: Improve sublink pullup code to handle ANY/EXISTS sublinks that

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