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Posted to dev@hive.apache.org by "Maxime LANCIAUX (JIRA)" <ji...@apache.org> on 2013/03/26 17:09:16 UTC

[jira] [Commented] (HIVE-1558) introducing the "dual" table

    [ https://issues.apache.org/jira/browse/HIVE-1558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13614159#comment-13614159 ] 

Maxime LANCIAUX commented on HIVE-1558:
---------------------------------------

What do you think about modify Hive.g and add a token for DUAL ?
                
> introducing the "dual" table
> ----------------------------
>
>                 Key: HIVE-1558
>                 URL: https://issues.apache.org/jira/browse/HIVE-1558
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Ning Zhang
>            Assignee: Marcin Kurczych
>
> The "dual" table in MySQL and Oracle is very convenient in testing UDFs or constructing rows without reading any other tables. 
> If dual is the only data source we could leverage the local mode execution. 

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