[jira] [Created] (HIVE-8141) Refactor the GraphTran code by moving union handling logic to UnionTran

[Na Yang (JIRA)]

Na Yang created HIVE-8141:
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             Summary: Refactor the GraphTran code by moving union handling 
logic to UnionTran
                 Key: HIVE-8141
                 URL: https://issues.apache.org/jira/browse/HIVE-8141
             Project: Hive
          Issue Type: Improvement
          Components: Spark
            Reporter: Na Yang


In the current hive on spark code, union logic is handled in the GraphTran 
class. The Union logic could be moved to the UnionTran class.



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