Обсуждение: pgsql: Optimize CleanupTempFiles by having a boolean flag that keeps

Log Message:
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Optimize CleanupTempFiles by having a boolean flag that keeps track of whether
there are FD_XACT_TEMPORARY files to clean up at transaction end.

Per performance profiling results on AWeber's huge systems.

Patch by me after an idea suggested by Simon Riggs.

Modified Files:
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    pgsql/src/backend/storage/file:
        fd.c (r1.144 -> r1.145)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/file/fd.c?r1=1.144&r2=1.145)