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Posted to dev@hive.apache.org by "Raghotham Murthy (JIRA)" <ji...@apache.org> on 2009/03/11 08:42:50 UTC

[jira] Commented: (HIVE-339) [Hive] problem in count distinct in 1mapreduce job with map side aggregation

    [ https://issues.apache.org/jira/browse/HIVE-339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680779#action_12680779 ] 

Raghotham Murthy commented on HIVE-339:
---------------------------------------

It's not clear what adding a new group by mode would do. There are no changes to GroupByOperator which seem to use this mode. Is that correct? If so, can you add a comment what the mergepartial mode is supposed to indicate?

> [Hive] problem in count distinct in 1mapreduce job with map side aggregation
> ----------------------------------------------------------------------------
>
>                 Key: HIVE-339
>                 URL: https://issues.apache.org/jira/browse/HIVE-339
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.339.1.patch, hive.339.2.patch
>
>


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