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https://issues.apache.org/jira/browse/SPARK-32376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17179727#comment-17179727
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L. C. Hsieh commented on SPARK-32376:
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Thanks [~mukulmurthy]. I will try to use these tests.
> Make unionByName null-filling behavior work with struct columns
> ---------------------------------------------------------------
>
> Key: SPARK-32376
> URL: https://issues.apache.org/jira/browse/SPARK-32376
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Mukul Murthy
> Priority: Major
> Attachments: tests.scala
>
>
> https://issues.apache.org/jira/browse/SPARK-29358 added support for
> unionByName to work when the two datasets didn't necessarily have the same
> schema, but it does not work with nested columns like structs.
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