[jira] [Created] (HIVE-7173) Support HIVE-4867 on mapjoin of MR Tasks

[Navis (JIRA)]

Navis created HIVE-7173:
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             Summary: Support HIVE-4867 on mapjoin of MR Tasks
                 Key: HIVE-7173
                 URL: https://issues.apache.org/jira/browse/HIVE-7173
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
            Reporter: Navis
            Assignee: Navis
            Priority: Minor


HIVE-4867 dedups columns in RS for reducer join and RS for order-by. But small 
aliases of mapjoin of MR tasks still contains key columns in value exprs.



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