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  1. Hive
  2. HIVE-7292 Hive on Spark
  3. HIVE-8243

clone SparkWork for join optimization

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      Map-join optimization needs to clone the SparkWork containing the operator tree to make changes to it. For MapredWork, this is done thru kryo serialization/deserialization in
      https://issues.apache.org/jira/browse/HIVE-5263

      Something similar should be done for SparkWork

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              • Assignee:
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                Reporter:
                ssatish Suhas Satish
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