pgsql: Marginal performance hack: use a dedicated routine instead of

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От tgl@postgresql.org (Tom Lane)
Тема pgsql: Marginal performance hack: use a dedicated routine instead of
Дата
Msg-id 20070430001643.746339FA5EA@postgresql.org
обсуждение исходный текст
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Log Message:
-----------
Marginal performance hack: use a dedicated routine instead of copyObject
to copy nodes that are known to be Vars during plan reference adjustment.
Saves useless memzero operation as well as the big switch in copyObject.

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

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