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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 20:28:59 GMT

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

Aihua Xu updated HIVE-10555:
----------------------------
    Description: 
Currently windowing function only supports the formats of {{x preceding and current}}, {{x
preceding and y following}}, {{current and y following}}. 

Windowing of {{x preceding and y preceding}} and {{x following and y following}} doesn't work
properly.

The following functions should be supported.
First_value(), last_value(), sum(), avg() , count(), min(), max() 

  was:
Currently windowing function only supports the formats of {{x preceding and current}}, {{x
preceding and y following}}, {{current and y following}}. 

Windowing of {{x preceding and y preceding}} and {{x following and y following}} doesn't work
properly.



> 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
>
> Currently windowing function only supports the formats of {{x preceding and current}},
{{x preceding and y following}}, {{current and y following}}. 
> Windowing of {{x preceding and y preceding}} and {{x following and y following}} doesn't
work properly.
> The following functions should be supported.
> First_value(), last_value(), sum(), avg() , count(), min(), max() 



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