Jungtaek Lim created SPARK-45631:
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Summary: Broken backward compatibility in PySpark:
StreamingQueryListener due to the addition of onQueryIdle
Key: SPARK-45631
URL: https://issues.apache.org/jira/browse/SPARK-45631
Project: Spark
Issue Type: Bug
Components: Structured Streaming
Affects Versions: 3.5.0, 4.0.0
Reporter: Jungtaek Lim
We observed the issue that existing StreamingQueryListener implementations in
PySpark start to fail after upgrading to 3.5.0. We identified that the root
cause is https://issues.apache.org/jira/browse/SPARK-43183 since onQueryIdle
was defined as `@abstractmethod`, requiring all exiting implementations to
implement the method.
It seems like abstractmethod annotation should be removed to retain backward
compatibility.
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