[jira] [Created] (HIVE-13126) Clean up MapJoinOperator properly to avoid object cache reuse with unintentional states

[Wei Zheng (JIRA)]

Wei Zheng created HIVE-13126:
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             Summary: Clean up MapJoinOperator properly to avoid object cache 
reuse with unintentional states
                 Key: HIVE-13126
                 URL: https://issues.apache.org/jira/browse/HIVE-13126
             Project: Hive
          Issue Type: Bug
          Components: Hive
    Affects Versions: 2.0.0
            Reporter: Wei Zheng
            Assignee: Wei Zheng


For a given job, one task may reuse other task's object cache (plan cache) such 
as MapJoinOperator. This is fine. But if we have some dirty states left over, 
it may cause issue like wrong results.



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