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Posted to dev@hive.apache.org by "Chao (JIRA)" <ji...@apache.org> on 2014/09/09 02:04:28 UTC

[jira] [Created] (HIVE-8024) Find out whether it's possible to remove UnionOperator from original operator tree [Spark Branch]

Chao created HIVE-8024:
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             Summary: Find out whether it's possible to remove UnionOperator from original operator tree [Spark Branch]
                 Key: HIVE-8024
                 URL: https://issues.apache.org/jira/browse/HIVE-8024
             Project: Hive
          Issue Type: Task
          Components: Spark
            Reporter: Chao
            Assignee: Chao


Currently, after operator tree is processed, the generated works with union operators will go through {{GenSparkUtils::removeUnionOperators}}, which will clone the original operator plan associated with the work, and remove union operators in it. This caused some issues as seen, for example, in HIVE-7870. This JIRA is created to find out whether it's possible to just remove the union operators in the original plan.



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