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https://issues.apache.org/jira/browse/HIVE-4965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13983203#comment-13983203
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Ashutosh Chauhan commented on HIVE-4965:
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+1

> Add support so that PTFs can stream their output; Windowing PTF should do this
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-4965
>                 URL: https://issues.apache.org/jira/browse/HIVE-4965
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Harish Butani
>            Assignee: Harish Butani
>         Attachments: HIVE-4965.4.patch, HIVE-4965.D12033.1.patch, 
> HIVE-4965.D12615.1.patch
>
>
> There is no need to create an output PTF Partition for the last PTF in a 
> chain. For the Windowing PTF this should give a perf. boost; we avoid 
> creating temporary results for each UDAF; avoid populating an output 
> Partition.



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