[jira] [Comment Edited] (HIVE-8561) Expose Hive optiq operator tree to be able to support other sql on hadoop query engines

["Xuefu Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-8561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14180921#comment-14180921 ] 

Xuefu Zhang edited comment on HIVE-8561 at 10/23/14 2:22 AM:
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-+1-


was (Author: xuefuz):
+1

> 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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