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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10555) Windowing function to support additional ranges
Date Thu, 07 May 2015 14:57:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-10555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aihua Xu updated HIVE-10555:
----------------------------
    Issue Type: Improvement  (was: Bug)

> Windowing function to support additional ranges
> -----------------------------------------------
>
>                 Key: HIVE-10555
>                 URL: https://issues.apache.org/jira/browse/HIVE-10555
>             Project: Hive
>          Issue Type: Improvement
>          Components: PTF-Windowing
>    Affects Versions: 1.3.0
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>
> The following windowing function always returns 0 for count(*). 
> {noformat}
> Table t1
> key  value
> 1       3
> 1       3
> 1       2
> select key, count(*) over (partition by key order by value rows between 1 preceding and
2 preceding) from t1;
> {noformat}
> Seems windowing functions have some issues when dealing with preceding window.



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