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https://issues.apache.org/jira/browse/SPARK-23047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-23047.
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Resolution: Fixed
Fix Version/s: 2.3.0
Issue resolved by pull request 20239
[https://github.com/apache/spark/pull/20239]
> Change MapVector to NullableMapVector in ArrowColumnVector
> ----------------------------------------------------------
>
> Key: SPARK-23047
> URL: https://issues.apache.org/jira/browse/SPARK-23047
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 2.3.0
> Reporter: Li Jin
> Assignee: Li Jin
> Priority: Major
> Fix For: 2.3.0
>
>
> "MapVector" is an internal Arrow class that is not supposed to be used
> directly. We should use "NullableMapVector" instead.
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