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https://issues.apache.org/jira/browse/SPARK-46791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-46791.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 44828
[https://github.com/apache/spark/pull/44828]
> Support Java `Set` in JavaTypeInference
> ---------------------------------------
>
> Key: SPARK-46791
> URL: https://issues.apache.org/jira/browse/SPARK-46791
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> Scala Set (scala.collection.Set) is supported in ScalaReflection so users can
> encode Scala Set in Dataset. But Java Set is not supported in bean encoder
> (i.e., JavaTypeInference). This feature inconsistency makes Java users cannot
> use Set like Scala users do.
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