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https://issues.apache.org/jira/browse/SPARK-31416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-31416.
-----------------------------------
Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 28184
[https://github.com/apache/spark/pull/28184]
> Check more strictly that a field name can be used as a valid Java identifier
> for codegen
> ----------------------------------------------------------------------------------------
>
> Key: SPARK-31416
> URL: https://issues.apache.org/jira/browse/SPARK-31416
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Priority: Major
> Fix For: 3.0.0
>
>
> ScalaReflection checks that a field name can be used as a valid Java
> identifier by checking whether the field name is not a reserved keyword.
> But, in the current implementation, enum is missed.
> Further, some characters including numeric literals are not used as valid
> identifiers but not checked.
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