Jesus Camacho Rodriguez created HIVE-21365:
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             Summary: Refactor Hep planner steps in CBO
                 Key: HIVE-21365
                 URL: https://issues.apache.org/jira/browse/HIVE-21365
             Project: Hive
          Issue Type: Improvement
          Components: CBO
            Reporter: Jesus Camacho Rodriguez
            Assignee: Jesus Camacho Rodriguez


Using subprograms to decrease number of planner instantiations and benefit 
fully from metadata providers caching, among other benefits.



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