Log Message:
-----------
Apply my original fix for Taiki Yamaguchi's bug report about DISTINCT MAX().
Add some regression tests for plausible failures in this area.
Tags:
----
REL8_3_STABLE
Modified Files:
--------------
pgsql/src/backend/optimizer/path:
equivclass.c (r1.9 -> r1.9.2.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/equivclass.c?r1=1.9&r2=1.9.2.1)
pgsql/src/backend/optimizer/plan:
planagg.c (r1.36 -> r1.36.2.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/plan/planagg.c?r1=1.36&r2=1.36.2.1)
pgsql/src/include/optimizer:
paths.h (r1.103 -> r1.103.2.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/optimizer/paths.h?r1=1.103&r2=1.103.2.1)
pgsql/src/test/regress/expected:
aggregates.out (r1.16 -> r1.16.2.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/aggregates.out?r1=1.16&r2=1.16.2.1)
pgsql/src/test/regress/sql:
aggregates.sql (r1.13 -> r1.13.4.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/sql/aggregates.sql?r1=1.13&r2=1.13.4.1)
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