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https://issues.apache.org/jira/browse/HIVE-15520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aihua Xu updated HIVE-15520:
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Description:
Currently streaming process is not supported for range based windowing. Thus
sum( x ) over (partition by y order by z) is O(n^2) running time.
Investigate the possibility of streaming support.
was:
Currently streaming process is not supported for range based windowing. Thus
sum(x) over (partition by y order by z) is O(n^2) running time.
Investigate the possibility of streaming support.
> Improve the Range based window to add streaming support
> --------------------------------------------------------
>
> Key: HIVE-15520
> URL: https://issues.apache.org/jira/browse/HIVE-15520
> Project: Hive
> Issue Type: Sub-task
> Components: PTF-Windowing
> Reporter: Aihua Xu
> Assignee: Aihua Xu
>
> Currently streaming process is not supported for range based windowing. Thus
> sum( x ) over (partition by y order by z) is O(n^2) running time.
> Investigate the possibility of streaming support.
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