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https://issues.apache.org/jira/browse/HIVE-10142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yi Zhang updated HIVE-10142:
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Summary: Calculating formula based on difference between each row's value
and current row's in Windowing function (was: Calculating formula with each
row's value to current row's value in Windowing function)
> Calculating formula based on difference between each row's value and current
> row's in Windowing function
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-10142
> URL: https://issues.apache.org/jira/browse/HIVE-10142
> Project: Hive
> Issue Type: New Feature
> Components: PTF-Windowing
> Affects Versions: 1.0.0
> Reporter: Yi Zhang
>
> For analytics with windowing function, the calculation formula sometimes
> needs to perform over each row's value against current tow's value. The decay
> value is a good example, such as sums of value with a decay function based on
> difference of timestamp between each row and current row.
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