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https://issues.apache.org/jira/browse/HIVE-16541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HIVE-16541:
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Status: Open (was: Patch Available)
> PTF: Avoid shuffling constant keys for empty OVER()
> ---------------------------------------------------
>
> Key: HIVE-16541
> URL: https://issues.apache.org/jira/browse/HIVE-16541
> Project: Hive
> Issue Type: Bug
> Components: PTF-Windowing
> Affects Versions: 3.0.0
> Reporter: Gopal V
> Assignee: Gopal V
> Attachments: HIVE-16541.1.patch
>
>
> Generating surrogate keys with
> {code}
> select row_number() over() as p_key, * from table;
> {code}
> uses a sorted edge with "0 ASC NULLS FIRST" as the sort order.
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