Log Message:
-----------
Marginal code cleanup in joinpath.c: factor out clause variable-membership
tests into a small common subroutine, and eliminate an unnecessary difference
in the order in which conditions are tested. Per a comment from Robert Haas.
Modified Files:
--------------
pgsql/src/backend/optimizer/path:
joinpath.c (r1.124 -> r1.125)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/joinpath.c?r1=1.124&r2=1.125)