Log Message:
-----------
Teach push_nots() how to negate a ScalarArrayOpExpr. In passing, save
a palloc or two in the OpExpr case.
Modified Files:
--------------
pgsql/src/backend/optimizer/prep:
prepqual.c (r1.52 -> r1.53)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/prep/prepqual.c.diff?r1=1.52&r2=1.53)