Re: BUG #11090: Unclear error message in pg_upgrade - Mailing list pgsql-bugs

On Wed, Jul 30, 2014 at 10:58:03AM -0400, Bruce Momjian wrote:
> OK, I had never made this logical conclusion that it had to be the
> install user.  Since you can't remove the install user, and the new
> cluster can only have one user (the install user), and because we
> preserve pg_authid.oid, the old cluster has to be the install user too.
>
> I have developed the 9.5-only patch which simplifies these checks and
> error messages;  attached.

Patch applied, with doc addition.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +