Josh Berkus <josh(at)agliodbs(dot)com> writes:
> Wow. Frankly, I'm not sure how it's possible to install postgresql without a
> superuser.
You can't. The original superuser account must have been deleted, or
perhaps altered to not have superuser privs anymore.
> In any case, I think re-installation will be your easiest way to fix this.
I believe it's possible to create a new superuser from a standalone
backend. However, if this is a test installation with no valuable data
in it, a re-install probably is the easiest path.
regards, tom lane