onQueryIdle (StreamingQueryListener)

Called when the query is idle and waiting for new data to process.

Syntax

onQueryIdle(event)

Parameters

Parameter	Type	Description
event	QueryIdleEvent	The event object containing information about the idle query.

Returns

None

Examples

Python

from pyspark.sql.streaming import StreamingQueryListener

class MyListener(StreamingQueryListener):
    def onQueryStarted(self, event):
        pass

    def onQueryProgress(self, event):
        pass

    def onQueryIdle(self, event):
        print(f"Query idle: {event.id}")

    def onQueryTerminated(self, event):
        pass

spark.streams.addListener(MyListener())