Eugene Koifman created HIVE-20769:
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             Summary: TxnHandler.checkLock() will re-acquire the same lock
                 Key: HIVE-20769
                 URL: https://issues.apache.org/jira/browse/HIVE-20769
             Project: Hive
          Issue Type: Sub-task
          Components: Transactions
    Affects Versions: 3.1.0
            Reporter: Eugene Koifman


as currently implemented, this will acquire the same type of lock on the same 
resource if requested by another stmt in the same txn.  Need to fix that.



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