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https://issues.apache.org/jira/browse/SPARK-29493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16972833#comment-16972833
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Bryan Cutler commented on SPARK-29493:
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[~jalpan.randeri] this depends on SPARK-29376 for a newer version of Arrow. I
was planning on doing this after because it might be a little tricky. If you
want to take a look at SPARK-25351, I think that would be more straightforward
to add.
> Add MapType support for Arrow Java
> ----------------------------------
>
> Key: SPARK-29493
> URL: https://issues.apache.org/jira/browse/SPARK-29493
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Bryan Cutler
> Priority: Major
>
> This will add MapType support for Arrow in Spark ArrowConverters. This can
> happen after the Arrow 0.15.0 upgrade, but MapType is not available in
> pyarrow yet, so pyspark and pandas_udf will come later.
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