pgsql: My recent fix for semijoin planning didn't actually work for a

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От tgl@postgresql.org (Tom Lane)
Тема pgsql: My recent fix for semijoin planning didn't actually work for a
Дата
Msg-id 20081128192908.178D97545A4@cvs.postgresql.org
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Log Message:
-----------
My recent fix for semijoin planning didn't actually work for a semijoin with a
RHS that can't be unique-ified --- join_is_legal has to check that before
deciding to build a join, else we'll have an unimplementable joinrel.
Per report from Greg Stark.

Modified Files:
--------------
    pgsql/src/backend/optimizer/path:
        joinrels.c (r1.95 -> r1.96)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/joinrels.c?r1=1.95&r2=1.96)

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