Zhihua Deng created HIVE-23720:
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             Summary: Background task should be interrupted when operation 
being canceled or timeout
                 Key: HIVE-23720
                 URL: https://issues.apache.org/jira/browse/HIVE-23720
             Project: Hive
          Issue Type: Bug
          Components: HiveServer2
            Reporter: Zhihua Deng


Currently SQLOperation cancels the background task only when the condition is 
met:

if (shouldRunAsync() && state != OperationState.CANCELED && state != 
OperationState.TIMEDOUT)

The conditions is evaluated to false when state is OperationState.CANCELED or 
OperationState.TIMEDOUT,  but operations in such states should stop the 
background tasks to release resources.



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