Re: Inefficient min/max against partition (ver 9.1.1)

"McGehee, Robert" <Robert.McGehee@geodecapital.com> writes:
> On PostgreSQL 9.1.1, I'm experiencing extremely slow/inefficient
> min/max queries against a partitioned table, despite the recent
> improvements made in version 9.1.

Thanks for the report.  I believe this will fix it:
http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=ef03b34550e3577c4be3baa25b70787f5646c57b

            regards, tom lane