code: def select(self, space_no, index_no, field_types, *args):
          
          d = self.replyQueue.get()
          packet = RequestSelect(self.charset, self.errors, d._ipro_request_id, space_no, index_no, 0, 0xffffffff, *args)
          self.transport.write(bytes(packet))
          return d.addCallback(self.handle_reply, self.charset, self.errors, field_types)
docs: select tuple(s)