def readStream(self): """ Returns a :class:`DataStreamReader` that can be used to read data streams as a streaming :class:`DataFrame`. .. note:: Evolving. :return: :class:`DataStreamReader` >>> text_sdf = sqlContext.readStream.text(tempfile.mkdtemp()) >>> text_sdf.isStreaming True """ return DataStreamReader(self)
def readStream(self) -> DataStreamReader: """ Returns a :class:`DataStreamReader` that can be used to read data streams as a streaming :class:`DataFrame`. .. versionadded:: 2.0.0 Notes ----- This API is evolving. Returns ------- :class:`DataStreamReader` """ return DataStreamReader(self._wrapped)
def readStream(self) -> DataStreamReader: """ Returns a :class:`DataStreamReader` that can be used to read data streams as a streaming :class:`DataFrame`. .. versionadded:: 2.0.0 Notes ----- This API is evolving. Returns ------- :class:`DataStreamReader` >>> text_sdf = sqlContext.readStream.text(tempfile.mkdtemp()) >>> text_sdf.isStreaming True """ return DataStreamReader(self.sparkSession)