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

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От tgl@postgresql.org (Tom Lane)
Тема pgsql: Remove prohibition against SubLinks in the WHERE clause of an
Дата
Msg-id 20080817021920.27D6F755315@cvs.postgresql.org
обсуждение исходный текст
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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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