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Posted to dev@hive.apache.org by "Namit Jain (JIRA)" <ji...@apache.org> on 2013/02/20 06:09:13 UTC

[jira] [Commented] (HIVE-4042) ignore mapjoin hint

    [ https://issues.apache.org/jira/browse/HIVE-4042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581953#comment-13581953 ] 

Namit Jain commented on HIVE-4042:
----------------------------------

Mapjoin hint is only needed for bucketed/sorted tables.
It might be a good idea to just ignore the hint, if the underlying table is not bucketed/sorted.
                
> ignore mapjoin hint
> -------------------
>
>                 Key: HIVE-4042
>                 URL: https://issues.apache.org/jira/browse/HIVE-4042
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>
> After HIVE-3784, in a production environment, it can become difficult to
> deploy since a lot of production queries can break.

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