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https://issues.apache.org/jira/browse/HIVE-4965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phabricator updated HIVE-4965:
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Attachment: HIVE-4965.D12033.1.patch
hbutani requested code review of "HIVE-4965 [jira] Add support so that PTFs can
stream their output; Windowing PTF should do this".
Reviewers: JIRA, ashutoshc
fix lint issues
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.
TEST PLAN
EMPTY
REVISION DETAIL
https://reviews.facebook.net/D12033
AFFECTED FILES
ql/src/java/org/apache/hadoop/hive/ql/exec/PTFOperator.java
ql/src/java/org/apache/hadoop/hive/ql/parse/PTFTranslator.java
ql/src/java/org/apache/hadoop/hive/ql/plan/PTFDeserializer.java
ql/src/java/org/apache/hadoop/hive/ql/udf/ptf/TableFunctionEvaluator.java
ql/src/java/org/apache/hadoop/hive/ql/udf/ptf/WindowingTableFunction.java
MANAGE HERALD RULES
https://reviews.facebook.net/herald/view/differential/
WHY DID I GET THIS EMAIL?
https://reviews.facebook.net/herald/transcript/28785/
To: JIRA, ashutoshc, hbutani
> 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
> Attachments: HIVE-4965.D12033.1.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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