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Posted to dev@hive.apache.org by "Chengxiang Li (JIRA)" <ji...@apache.org> on 2015/07/15 12:58:04 UTC

[jira] [Created] (HIVE-11267) Combine equavilent leaf works in SparkWork[Spark Branch]

Chengxiang Li created HIVE-11267:
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             Summary: Combine equavilent leaf works in SparkWork[Spark Branch]
                 Key: HIVE-11267
                 URL: https://issues.apache.org/jira/browse/HIVE-11267
             Project: Hive
          Issue Type: Sub-task
          Components: Spark
            Reporter: Chengxiang Li
            Assignee: Chengxiang Li
            Priority: Minor


There could be multi leaf works in SparkWork, like self-union query. If the subqueries are same with each other, we may combine the subqueries, and just execute once, then fetch twice in FetchTask.



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