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https://issues.apache.org/jira/browse/HIVE-22505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16982039#comment-16982039
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Jesus Camacho Rodriguez commented on HIVE-22505:
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+1
> ClassCastException caused by wrong Vectorized operator selection
> ----------------------------------------------------------------
>
> Key: HIVE-22505
> URL: https://issues.apache.org/jira/browse/HIVE-22505
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Reporter: Panagiotis Garefalakis
> Assignee: Panagiotis Garefalakis
> Priority: Critical
> Attachments: HIVE-22505.2.patch, HIVE-22505.3.patch,
> HIVE-22505.4.patch, HIVE-22505.5.patch, HIVE-22505.6.patch,
> HIVE-22505.7.patch, HIVE-22505.patch, query_error.out,
> query_vector_explain.out, vectorized_join.q
>
>
> VectorMapJoinOuterFilteredOperator does not currently support full outer
> joins but using the current Vectorizer logic it can be selected when a there
> is a filter involved. This can make queries fail with ClassCastException when
> their data and metadata in the VectorMapJoinOuterFilteredOperator do not
> match.
> The query attached demonstrates the issue and the log attached shows the
> java.lang.ClassCastException
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