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Posted to dev@hive.apache.org by "Harish Butani (JIRA)" <ji...@apache.org> on 2014/04/25 23:57:17 UTC
[jira] [Updated] (HIVE-4965) Add support so that PTFs can stream
their output; Windowing PTF should do this
[ https://issues.apache.org/jira/browse/HIVE-4965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harish Butani updated HIVE-4965:
--------------------------------
Attachment: HIVE-4965.4.patch
> 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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