The Hermit Hacker <scrappy(at)hub(dot)org> writes:
> Just curious, but how do ppl handle running two different versions on the
> same machine? I want to start up a v6.5 server where v6.4.2 server
> already exists...
Run them with different port addresses. I do it all the time...
> I'm wondering if it might make sense to up the libpq on a release, so that
> this can work?
No, I don't think that's a good idea. There's no reason to break binary
compatibility of libpq when setting PGPORT will do the job; the same
psql binary (or any other application) can talk to either release.
regards, tom lane