cudf.read_hdf#
- cudf.read_hdf(path_or_buf, *args, **kwargs)[source]#
Read from the store, close it if we opened it.
Retrieve pandas object stored in file, optionally based on where criteria
- Parameters:
- path_or_bufstring, buffer or path object
Path to the file to open, or an open HDFStore. object. Supports any object implementing the
__fspath__
protocol. This includespathlib.Path
and py._path.local.LocalPath objects.- keyobject, optional
The group identifier in the store. Can be omitted if the HDF file contains a single pandas object.
- mode{‘r’, ‘r+’, ‘a’}, optional
Mode to use when opening the file. Ignored if path_or_buf is a Pandas HDFS. Default is ‘r’.
- wherelist, optional
A list of Term (or convertible) objects.
- startint, optional
Row number to start selection.
- stopint, optional
Row number to stop selection.
- columnslist, optional
A list of columns names to return.
- iteratorbool, optional
Return an iterator object.
- chunksizeint, optional
Number of rows to include in an iteration when using an iterator.
- errorsstr, default ‘strict’
Specifies how encoding and decoding errors are to be handled. See the errors argument for
open()
for a full list of options.- **kwargs
Additional keyword arguments passed to HDFStore.
- Returns:
- itemobject
The selected object. Return type depends on the object stored.
See also
cudf.DataFrame.to_hdf
Write a HDF file from a DataFrame.