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https://issues.apache.org/jira/browse/HIVE-13453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aihua Xu updated HIVE-13453:
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Status: Patch Available (was: Open)
Attached patch-1: internally we use hashset to keep track of the distinct row
values for within a partition so we can remove the limitation to support ORDER
BY and windowing.
> Support ORDER BY and windowing clause in partitioning clause with distinct
> function
> -----------------------------------------------------------------------------------
>
> Key: HIVE-13453
> URL: https://issues.apache.org/jira/browse/HIVE-13453
> Project: Hive
> Issue Type: Sub-task
> Components: PTF-Windowing
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Attachments: HIVE-13453.1.patch
>
>
> Current distinct function on partitioning doesn't support order by and
> windowing clause due to performance reason. Explore an efficient way to
> support that.
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