(defmethod database-name-from-spec (connection-spec (database-type (eql :mysql)))
(check-connection-spec connection-spec database-type (host db user password))
(destructuring-bind (host db user password) connection-spec
(defmethod database-name-from-spec (connection-spec (database-type (eql :mysql)))
(check-connection-spec connection-spec database-type (host db user password))
(destructuring-bind (host db user password) connection-spec