class PG::Connection

def connect_internal(opts, errors=nil)
 self.connect_start(opts) or
	raise(PG::Error, "Unable to create a new connection")
PG::ConnectionBad.new(conn.error_message, connection: self) if conn.status == PG::CONNECTION_BAD
end(:async_connect_or_reset, :connect_poll)
PG::ConnectionBad => err
ors && !(conn && [PG::CONNECTION_AWAITING_RESPONSE].include?(conn.instance_variable_get(:@last_status)))
ms to be no authentication error -> try next host
s << err
n nil
bably an authentication error