[GitHub] [spark] viirya commented on a diff in pull request #40845: [SPARK-43183][SS] Introduce a new callback "onQueryIdle" to StreamingQueryListener

["viirya (via GitHub)" <gi...@apache.org>]

viirya commented on code in PR #40845:
URL: https://github.com/apache/spark/pull/40845#discussion_r1171716059


##########
python/pyspark/sql/streaming/listener.py:
##########
@@ -87,6 +91,14 @@ def onQueryProgress(self, event: "QueryProgressEvent") -> None:
         """
         pass
 
+    @abstractmethod
+    def onQueryIdle(self, event: "QueryIdleEvent") -> None:
+        """
+        Called when the query is idle for a certain time period and waiting for new data to

Review Comment:
   `a certain time period` sounds ambiguous.



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