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https://issues.apache.org/jira/browse/HIVE-10542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14520414#comment-14520414
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Gunther Hagleitner commented on HIVE-10542:
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Might make sense to add a test case for this too (a outer b inner c outer d -
or something like that).
> Full outer joins in tez produce incorrect results in certain cases
> ------------------------------------------------------------------
>
> Key: HIVE-10542
> URL: https://issues.apache.org/jira/browse/HIVE-10542
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: 1.0.0, 1.2.0, 1.1.0, 1.3.0
> Reporter: Vikram Dixit K
> Assignee: Vikram Dixit K
> Priority: Blocker
> Attachments: HIVE-10542.1.patch, HIVE-10542.2.patch
>
>
> If there is no records for one of the tables in the full outer join, we do
> not read the other input and end up not producing rows which we should be.
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