pgsql: Back-patch Heikki's fix to make

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От tgl@postgresql.org (Tom Lane)
Тема pgsql: Back-patch Heikki's fix to make
Дата
Msg-id 20080426233533.D73557559CC@cvs.postgresql.org
обсуждение исходный текст
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Log Message:
-----------
Back-patch Heikki's fix to make TransactionIdIsCurrentTransactionId() use
binary search instead of linear search when checking child-transaction XIDs.
Per example from Robert Treat, the speed of TransactionIdIsCurrentTransactionId
is significantly more important in 8.3 than it was in prior releases, so
this seems worth taking back-patching risk for.

Tags:
----
REL8_3_STABLE

Modified Files:
--------------
    pgsql/src/backend/access/transam:
        twophase.c (r1.39 -> r1.39.2.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/twophase.c?r1=1.39&r2=1.39.2.1)
        xact.c (r1.257.2.1 -> r1.257.2.2)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xact.c?r1=1.257.2.1&r2=1.257.2.2)

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