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https://issues.apache.org/jira/browse/PHOENIX-2257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14971308#comment-14971308
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Maryann Xue commented on PHOENIX-2257:
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It's a client aggregation bug, and it affects cases having a group-by after a
group-by and meanwhile the outer group-by expressions is the head part of the
outer group-by expressions. For example, "select ... from (select a, b from t
group by a, b) group by a". This might be rather limited exposure.
> Failing integration test in DerivedTableIT
> ------------------------------------------
>
> Key: PHOENIX-2257
> URL: https://issues.apache.org/jira/browse/PHOENIX-2257
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.6.0
> Environment: Ubuntu and Fedora, 64-bit Java 8
> Reporter: James Heather
> Assignee: Maryann Xue
> Attachments: PHOENIX-2257.patch,
> org.apache.phoenix.end2end.DerivedTableIT-output.txt
>
>
> {code}
> Failed tests:
> DerivedTableIT.testDerivedTableWithGroupBy:320 expected:<['e']> but
> was:<['b', 'c', 'e']>
> DerivedTableIT.testDerivedTableWithGroupBy:320 expected:<['e']> but
> was:<['b', 'c', 'e']>
> {code}
> This is on a freshly cloned copy of the repo, on the master branch.
> In the output, I get a couple of {{TableInfoMissingExceptions}}, which might
> be related.
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