Method raise_for_error

pymysql/protocol.py:213–219

(self)

            self.raise_for_error()

    def raise_for_error(self):
        self.rewind()
        self.advance(1)  # field_count == error (we already know that)
        errno = self.read_uint16()
        if DEBUG:
            print("errno =", errno)
        err.raise_mysql_exception(self._data)

    def dump(self):
        dump_packet(self._data)