ibis.backends.impala.HDFS.head

HDFS.head(hdfs_path: str, nbytes: int = 1024, offset: int = 0) → bytes

Retrieve the requested number of bytes from a file.

Parameters

  • hdfs_path (string) – Absolute HDFS path

  • nbytes (int, default 1024 (1K)) – Number of bytes to retrieve

  • offset (int, default 0) – Number of bytes at beginning of file to skip before retrieving data

Returns

head_data

Return type

bytes

Raises

NotImplementedError –