John R Pierce <pierce(at)hogranch(dot)com> writes:
> On 8/16/2014 9:16 AM, Steve Atkins wrote:
>> Setting environment variables to point to your preferred instance will also work - and it'll work with any client that uses libpq (which is probably almost everything that's not java).
> java/jdbc doesn't support unix domain sockets anyways, so that's moot
> for the OP's issue.
Another idea (which is also only for libpq-based apps) is to set up
a "service" file.
http://www.postgresql.org/docs/9.3/static/libpq-pgservice.html
regards, tom lane