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https://issues.apache.org/jira/browse/HIVE-11025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002858#comment-15002858
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Aihua Xu commented on HIVE-11025:
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Yeah. It should be backported to branch-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
> Fix For: 2.0.0
>
> 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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