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  1. Hive
  2. HIVE-7292 Hive on Spark
  3. HIVE-11267

Combine equavilent leaf works in SparkWork[Spark Branch]

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    • Type: Sub-task
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Spark
    • Labels:
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      Description

      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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              • Assignee:
                chengxiang li Chengxiang Li
                Reporter:
                chengxiang li Chengxiang Li
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                • Created:
                  Updated: