Tatsuo Ishii <is...@postgresql.org> writes:
>> Tatsuo Ishii <is...@postgresql.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.
> I now understand that those behavior could be changed randomly release
> to relase in unpredictable way.
I think the protocol specification is pretty explicit that you shouldn't
be relying on specific sequences of events where it's not logically
necessary that things happen in a particular order. It's always been
possible for a connection to be rejected before any 'R' is sent; we've
only made a minor change in the set of error cases for which that's
true.
regards, tom lane
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