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From "Pierre Huyn (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1130) Create argmin and argmax
Date Mon, 30 Aug 2010 22:56:54 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12904396#action_12904396
] 

Pierre Huyn commented on HIVE-1130:
-----------------------------------

Hi John,

It appears that the call ObjectInspectorUtils.compare(myagg.max, xInputOI, px, xInputOI),
which tries to compare 2 integer writables, failed in casting. Here is a fragment of the stack
trace:



> Create argmin and argmax
> ------------------------
>
>                 Key: HIVE-1130
>                 URL: https://issues.apache.org/jira/browse/HIVE-1130
>             Project: Hadoop Hive
>          Issue Type: Improvement
>    Affects Versions: 0.7.0
>            Reporter: Zheng Shao
>            Assignee: Pierre Huyn
>             Fix For: 0.7.0
>
>         Attachments: HIVE-1130.1.patch, HIVE-1130.2.patch
>
>
> With HIVE-1128, users can already do what argmax and argmin does.
> But it will be helpful if we provide these functions explicitly so people from maths/stats
background can use it more easily.

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