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https://issues.apache.org/jira/browse/HIVE-19110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16453700#comment-16453700
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Haifeng Chen commented on HIVE-19110:
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There are several issues related to this bug. And they are all related to
VectorExpressionWriter for List, Map and Struct in the java file
VectorExpressionWriterFactory.
# For List, null values is not handled properly.
# For Map, the VectorExpressionWriter is not implemented for Map.
# For Struct, null values are not checked before get into struct fields.
> Vectorization: Enabling vectorization causes TestContribCliDriver
> udf_example_arraymapstruct.q to produce Wrong Results
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-19110
> URL: https://issues.apache.org/jira/browse/HIVE-19110
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 3.0.0
> Reporter: Matt McCline
> Assignee: Haifeng Chen
> Priority: Critical
>
> Found in vectorization enable by default experiment.
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