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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16541) PTF: Avoid shuffling constant keys for empty OVER()
Date Thu, 27 Apr 2017 22:24:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-16541:
---------------------------
    Status: Patch Available  (was: Open)

> 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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