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https://issues.apache.org/jira/browse/HIVE-23963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17168611#comment-17168611
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Stamatis Zampetakis commented on HIVE-23963:
--------------------------------------------
I will provide soon a patch (basically a new QTest driver) where the problem
can be reproduced easily.
> UnsupportedOperationException in queries 74 and 84 while applying
> HiveCardinalityPreservingJoinRule
> ---------------------------------------------------------------------------------------------------
>
> Key: HIVE-23963
> URL: https://issues.apache.org/jira/browse/HIVE-23963
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Reporter: Stamatis Zampetakis
> Priority: Major
> Attachments: cbo_query74_stacktrace.txt, cbo_query84_stacktrace.txt
>
>
> The following TPC-DS queries:
> * cbo_query74.q
> * cbo_query84.q
> * query74.q
> * query84.q
> fail on the metastore with the partitioned TPC-DS 30TB dataset.
> The stacktraces for cbo_query74 and cbo_query84 show that the problem
> originates while applying HiveCardinalityPreservingJoinRule.
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