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From "He Yongqiang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1674) count(*) returns wrong result when a mapper returns empty results
Date Tue, 05 Oct 2010 23:29:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918318#action_12918318
] 

He Yongqiang commented on HIVE-1674:
------------------------------------

+1. running test.

> count(*) returns wrong result when a mapper returns empty results
> -----------------------------------------------------------------
>
>                 Key: HIVE-1674
>                 URL: https://issues.apache.org/jira/browse/HIVE-1674
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Ning Zhang
>            Assignee: Ning Zhang
>         Attachments: HIVE-1674.patch
>
>
> select count(*) from src where false; will return # of mappers rather than 0. 

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