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https://issues.apache.org/jira/browse/HIVE-23665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-23665:
------------------------------------
    Fix Version/s: 4.0.0
       Resolution: Fixed
           Status: Resolved  (was: Patch Available)

Pushed to master. Thanks, [~rameshkumar]

> Rewrite last_value to first_value to enable streaming results
> -------------------------------------------------------------
>
>                 Key: HIVE-23665
>                 URL: https://issues.apache.org/jira/browse/HIVE-23665
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Ramesh Kumar Thangarajan
>            Assignee: Ramesh Kumar Thangarajan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>         Attachments: HIVE-23665.1.patch, HIVE-23665.2.patch, 
> HIVE-23665.3.patch
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> Rewrite last_value to first_value to enable streaming results
> last_value cannot be streamed because the intermediate results need to be 
> buffered to determine the window result till we get the last row in the 
> window. But if we can rewrite to first_value we can stream the results, 
> although the order of results will not be guaranteed (also not important)



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