Обсуждение: pgsql-server/src/backend/optimizer/plan planner.c

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pgsql-server/src/backend/optimizer/plan planner.c

От
tgl@postgresql.org (Tom Lane)
Дата:
CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@postgresql.org    03/03/13 11:58:35

Modified files:
    src/backend/optimizer/plan: planner.c

Log message:
    GROUP BY got confused if there were multiple equal() GROUP BY items.
    This bug has been latent since 7.0 or maybe even further back, but it
    was only exposed when parse_clause.c stopped suppressing duplicate
    items (see its rev 1.96 of 18-Aug-02).