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From "Na Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-8561) Expose Hive optiq operator tree to be able to support other sql on hadoop query engines
Date Wed, 22 Oct 2014 17:21:35 GMT
Na Yang created HIVE-8561:
-----------------------------

             Summary: Expose Hive optiq operator tree to be able to support other sql on hadoop
query engines
                 Key: HIVE-8561
                 URL: https://issues.apache.org/jira/browse/HIVE-8561
             Project: Hive
          Issue Type: Task
          Components: CBO
    Affects Versions: 0.14.0
            Reporter: Na Yang
            Assignee: Na Yang


Hive-0.14 added cost based optimization and optiq operator tree is created for select queries.
However, the optiq operator tree is not visible from outside and hard to be used by other
Sql on Hadoop query engine such as apache Drill. To be able to allow drill to access the hive
optiq operator tree, we need to add a public api to return the hive optiq operator tree. 




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