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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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