理解pd.read_parquet

• pandas.read_parquet(path, engine:str='auto', columns= None, **kwargs)

Load a parquet object from the file path, returning a DataFrame.

• Parameters

<

Param	格式	意义
path	str, path object or file-like object
engine	{‘auto’, ‘pyarraw’, ‘fastparqut’}, default ‘auto’	try ‘pyarrow’, falling back to ‘fastparquet’ if ‘pyarrow’ is unavailable
columns	list, default = None	If not None, only these columns will be read from the file
**kwargs