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https://issues.apache.org/jira/browse/HIVE-17877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Li updated HIVE-17877:
--------------------------
Attachment: HIVE-17877.2.patch
Hi [~stakiar], sorry for the delay. Update patch v2 to address your comments.
It also updates the golden files of the affected DPP tests. Let me know whether
that reflects what you have in mind. Thanks.
> HoS: combine equivalent DPP sink works
> --------------------------------------
>
> Key: HIVE-17877
> URL: https://issues.apache.org/jira/browse/HIVE-17877
> Project: Hive
> Issue Type: Improvement
> Components: Spark
> Reporter: Rui Li
> Assignee: Rui Li
> Priority: Major
> Attachments: HIVE-17877.1.patch, HIVE-17877.2.patch
>
>
> Suppose part1 and part2 are partitioned tables. The simplest use case should
> be something like:
> {code}
> explain
> select * from
> (select part1.key, part1.value from part1 join src on part1.p=src.key) a
> union all
> (select part2.key, part2.value from part2 join src on part2.p=src.key);
> {code}
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