pyspark.sql.DataFrameWriter.json¶
-
DataFrameWriter.
json
(path, mode=None, compression=None, dateFormat=None, timestampFormat=None, lineSep=None, encoding=None, ignoreNullFields=None)[source]¶ Saves the content of the
DataFrame
in JSON format (JSON Lines text format or newline-delimited JSON) at the specified path.New in version 1.4.0.
- Parameters
- pathstr
the path in any Hadoop supported file system
- modestr, optional
specifies the behavior of the save operation when data already exists.
append
: Append contents of thisDataFrame
to existing data.overwrite
: Overwrite existing data.ignore
: Silently ignore this operation if data already exists.error
orerrorifexists
(default case): Throw an exception if data already exists.
- Other Parameters
- Extra options
For the extra options, refer to Data Source Option in the version you use.
Examples
>>> df.write.json(os.path.join(tempfile.mkdtemp(), 'data'))