Tatsuo Ishii <ishii(at)postgresql(dot)org> writes:
> It seems between 8.4 and CVS HEAD backend responses 'E' packet
> (error/fatal message) if a startup packet sent with wrong user and/or
> database. Before backend responses 'R' packet first followd by 'E'
> packet.
> Does anybody know why this change made?
It's a side effect of the changes made to get rid of the flat
authorization files. Bad database is now reported before authentication
instead of after. I wouldn't have thought bad user per se would be
reported before auth, though --- you sure about that one?
regards, tom lane