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https://issues.apache.org/jira/browse/HIVE-17877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16238543#comment-16238543
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Sahil Takiar commented on HIVE-17877:
-------------------------------------
+1
> 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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