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https://issues.apache.org/jira/browse/HIVE-8561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Na Yang updated HIVE-8561:
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Attachment: (was: HIVE-8561.2.patch)
> 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
> Attachments: HIVE-8561.patch
>
>
> 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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