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Posted to dev@hive.apache.org by "Brock Noland (JIRA)" <ji...@apache.org> on 2013/06/10 21:45:21 UTC

[jira] [Commented] (HIVE-784) Support uncorrelated subqueries in the WHERE clause

    [ https://issues.apache.org/jira/browse/HIVE-784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13679814#comment-13679814 ] 

Brock Noland commented on HIVE-784:
-----------------------------------

Hi,

I see Ning is not working on this at present. Is anyone else working on this?

Brock
                
> Support uncorrelated subqueries in the WHERE clause
> ---------------------------------------------------
>
>                 Key: HIVE-784
>                 URL: https://issues.apache.org/jira/browse/HIVE-784
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Ning Zhang
>            Assignee: Ning Zhang
>
> Hive currently only support views in the FROM-clause, some Facebook use cases suggest that Hive should support subqueries such as those connected by IN/EXISTS in the WHERE-clause. 

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