通过key_read_fn获取key,并根据key对数据进行排序(默认为升序) Args: key_reader_fn (callable): 用户获取key的函数 reverse (bool): 是否降序排序 Returns: FileBase: 返回self
(self, key_read_fn=None, reverse=False)
source not stored for this graph (policy: none)
no outgoing calls
no test coverage detected