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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11025) In windowing spec, when the datatype is decimal, it's comparing the value against NULL value incorrectly
Date Wed, 17 Jun 2015 22:56:01 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14590788#comment-14590788
] 

Ashutosh Chauhan commented on HIVE-11025:
-----------------------------------------

+1

> In windowing spec, when the datatype is decimal, it's comparing the value against NULL
value incorrectly
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-11025
>                 URL: https://issues.apache.org/jira/browse/HIVE-11025
>             Project: Hive
>          Issue Type: Sub-task
>          Components: PTF-Windowing
>    Affects Versions: 2.0.0
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>         Attachments: HIVE-11025.patch
>
>
> Given data and the following query,
> {noformat}
> deptno  empno  bonus    salary
> 30        7698         NULL    2850.0 
> 30        7900         NULL    950.0 
> 30        7844         0       1500.0 
> select avg(salary) over (partition by deptno order by bonus range 200 preceding) from
emp2;
> {noformat}
> It produces incorrect result for the row in which bonus=0
> 1900.0
> 1900.0
> 1766.6666666666667



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