Stephan Szabo <sszabo@megazone23.bigpanda.com> writes:
> I don't know offhand (don't have the 7.2.x machine accessable from
> home), but I would doubt it unless it was part of some other bug fix
> where behavior was incorrect.
AFAIR, it was you that convinced me it's safe to push down qual clauses
into UNION/INTERSECT. See discussion back around 1-Aug. This is most
definitely not back-patched into any 7.2.* release...
regards, tom lane