pyspark.sql.streaming.DataStreamWriter.option#

DataStreamWriter.option(key, value)[source]#

Adds an output option for the underlying data source.

New in version 2.0.0.

Changed in version 3.5.0: Supports Spark Connect.

Notes

This API is evolving.

Examples

>>> df = spark.readStream.format("rate").load()
>>> df.writeStream.option("x", 1)
<...streaming.readwriter.DataStreamWriter object ...>

The example below specifies ‘numRows’ option to Console source in order to print 3 rows for every batch.

>>> import time
>>> q = spark.readStream.format(
...     "rate").option("rowsPerSecond", 10).load().writeStream.format(
...         "console").option("numRows", 3).start()
>>> time.sleep(3)
>>> q.stop()