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https://issues.apache.org/jira/browse/HIVE-6566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gunther Hagleitner updated HIVE-6566:
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Description: The tez dag is hooked up incorrectly for some union all
queries involving map joins. That's quite common and results in either NPE or
invalid results. (was: The tez dag is hooked up incorrectly for some union all
queries involving map joins.)
> Incorrect union-all plan with map-joins on Tez
> ----------------------------------------------
>
> Key: HIVE-6566
> URL: https://issues.apache.org/jira/browse/HIVE-6566
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.0
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-6566.1.patch, HIVE-6566.2.patch
>
>
> The tez dag is hooked up incorrectly for some union all queries involving map
> joins. That's quite common and results in either NPE or invalid results.
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