cursor.py 文件源码

def max_scan(self, max_scan: int) -> 'Cursor':
        """Limit the number of documents to scan when performing the query.

        Raises :class:`~pymongo.errors.InvalidOperation` if this
        cursor has already been used. Only the last :meth:`max_scan`
        applied to this cursor has any effect.

        :Parameters:
          - `max_scan`: the maximum number of documents to scan
        """
        self.__check_okay_to_chain()
        self.__max_scan = max_scan
        return self