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https://issues.apache.org/jira/browse/HIVE-13475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15244085#comment-15244085
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Lefty Leverenz commented on HIVE-13475:
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Doc note: This needs to be documented in the wiki for release 2.1.0.
* [Language Manual -- Windowing and Analytics |
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+WindowingAndAnalytics]
> Allow aggregate functions in over clause
> ----------------------------------------
>
> Key: HIVE-13475
> URL: https://issues.apache.org/jira/browse/HIVE-13475
> Project: Hive
> Issue Type: New Feature
> Components: Parser
> Affects Versions: 2.1.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Labels: TODOC2.1
> Fix For: 2.1.0
>
> Attachments: HIVE-13475.patch
>
>
> Support to reference aggregate functions within the over clause needs to be
> added. For instance, currently the following query will fail:
> {noformat}
> select rank() over (order by sum(ws.c_int)) as return_rank
> from cbo_t3 ws
> group by ws.key;
> {noformat}
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