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https://issues.apache.org/jira/browse/HIVE-8141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14137322#comment-14137322
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Xuefu Zhang commented on HIVE-8141:
-----------------------------------
+1
> Refactor the GraphTran code by moving union handling logic to UnionTran
> [Spark Branch]
> --------------------------------------------------------------------------------------
>
> Key: HIVE-8141
> URL: https://issues.apache.org/jira/browse/HIVE-8141
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Na Yang
> Assignee: Na Yang
> Labels: Spark-M1
> Attachments: HIVE-8141.1-spark.patch
>
>
> 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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