option (DataStreamWriter)
Adds an output option for the underlying data source.
Syntax
option(key, value)
Parameters
Parameter | Type | Description |
|---|---|---|
| str | The option key. |
| str, int, float, or bool | The option value. |
Returns
DataStreamWriter
Examples
Python
df = spark.readStream.format("rate").load()
df.writeStream.option("x", 1)
# <...streaming.readwriter.DataStreamWriter object ...>
Print 3 rows per batch to the console:
Python
import time
q = spark.readStream.format(
"rate").option("rowsPerSecond", 10).load().writeStream.format(
"console").option("numRows", 3).start()
time.sleep(3)
q.stop()