Matt McCline created HIVE-14981:

             Summary: Eliminate unnecessary MapJoin restriction in HIVE-11394
                 Key: HIVE-14981
             Project: Hive
          Issue Type: Bug
          Components: Hive
    Affects Versions: 2.2.0
            Reporter: Matt McCline
            Assignee: Matt McCline
            Priority: Critical
             Fix For: 2.2.0

No Empty Key restriction for Native Vector MapJoin added with HIVE-11394 is 
unnecessary.  It caused Llap orc_llap.q test to timeout on Hive QA because 
regular VectorMapJoinOperator is too slow.

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