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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19671) Distribute by rand() can lead to data inconsistency
Date Tue, 26 Jun 2018 16:18:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523928#comment-16523928
] 

Xuefu Zhang commented on HIVE-19671:
------------------------------------

Yeah. I think it makes sense. Thank.

> Distribute by rand() can lead to data inconsistency
> ---------------------------------------------------
>
>                 Key: HIVE-19671
>                 URL: https://issues.apache.org/jira/browse/HIVE-19671
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Rui Li
>            Assignee: Rui Li
>            Priority: Major
>
> Noticed the following queries can give different results:
> {code}
> select count(*) from tbl;
> select count(*) from (select * from tbl distribute by rand()) a;
> {code}



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