On Fri, Sep 21, 2012 at 8:03 AM, Tom Browder <tom(dot)browder(at)gmail(dot)com> wrote:
> It would be nice to have such a postgres mode though for just such
> things as an upgrade.
Exactly such a feature, for launching a standalone backend for pg_dump
or other clients to talk to without worrying about other clients
interfering, is being discussed for 9.3:
http://archives.postgresql.org/message-id/12511.1346631791%40sss.pgh.pa.us
Josh