docs: def has_frames(self, destination):
          """
          Whether specified queue has any frames.
  
          @param destination: The queue name (destinationination).
          @type destination: C{str}
  
          @return: Whether there are any frames in the specified queue.
          @rtype: C{bool}
          """
          session = meta.Session()
          sel = select([model.frames_table.c.message_id]).where(
              model.frames_table.c.destination == destination)
          result = session.execute(sel)
  
          first = result.fetchone()
          return first is not None