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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10141) count(distinct) not supported in Windowing function
Date Tue, 25 Apr 2017 12:56:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15982837#comment-15982837
] 

Aihua Xu commented on HIVE-10141:
---------------------------------

This feature should have been supported by  HIVE-12889.

> count(distinct) not supported in Windowing function
> ---------------------------------------------------
>
>                 Key: HIVE-10141
>                 URL: https://issues.apache.org/jira/browse/HIVE-10141
>             Project: Hive
>          Issue Type: Improvement
>          Components: PTF-Windowing
>    Affects Versions: 1.0.0
>            Reporter: Yi Zhang
>            Priority: Critical
>
> Count(distinct) is a very important function for analysis. For example, unique visitors
instead of total visitors. Currently it is missing in Windowing function.



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