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From "Raghotham Murthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-363) [hive] extra rows for count distinct
Date Tue, 24 Mar 2009 19:04:51 GMT

    [ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12688797#action_12688797
] 

Raghotham Murthy commented on HIVE-363:
---------------------------------------

looks like the dummyRow flag is not being used anywhere during execution time.

> [hive] extra rows for count distinct
> ------------------------------------
>
>                 Key: HIVE-363
>                 URL: https://issues.apache.org/jira/browse/HIVE-363
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.3.0
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.363.1.patch
>
>
> select count(distinct a) from T 
> returns dummy rows from all reducers if number of reducers are more than 1

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