Thread: pgsql/src backend/optimizer/plan/planner.c bac ...

pgsql/src backend/optimizer/plan/planner.c bac ...

From
tgl@postgresql.org
Date:
CVSROOT:    /cvsroot
Module name:    pgsql
Changes by:    tgl@postgresql.org    01/10/30 14:58:58

Modified files:
    src/backend/optimizer/plan: planner.c setrefs.c
    src/backend/optimizer/util: clauses.c
    src/include/optimizer: clauses.h

Log message:
    Fix problems with subselects used in GROUP BY expressions, per gripe
    from Philip Warner.  Side effect of change is that GROUP BY expressions
    will not be re-evaluated at multiple plan levels anymore, whereas this
    sometimes happened with old code.