Обсуждение: pgsql-server/src backend/optimizer/path/Tag: b ...

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pgsql-server/src backend/optimizer/path/Tag: b ...

От
tgl@svr1.postgresql.org (Tom Lane)
Дата:
CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@svr1.postgresql.org    03/12/03 13:45:38

Modified files:
    src/backend/optimizer/path: Tag: REL7_4_STABLE costsize.c
                                pathkeys.c
    src/backend/utils/cache: Tag: REL7_4_STABLE lsyscache.c
    src/include/utils: Tag: REL7_4_STABLE lsyscache.h

Log message:
    Planner failed to be smart about binary-compatible expressions in pathkeys
    and hash bucket-size estimation.  Issue has been there awhile but is more
    critical in 7.4 because it affects varchar columns.  Per report from
    Greg Stark.