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https://issues.apache.org/jira/browse/SPARK-49828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17890127#comment-17890127
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Holden Karau commented on SPARK-49828:
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Looks like the PR linking bot didn't work – the related PR is
https://github.com/apache/spark/pull/48306
> Expose Column expressions as developer APIs
> -------------------------------------------
>
> Key: SPARK-49828
> URL: https://issues.apache.org/jira/browse/SPARK-49828
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Holden Karau
> Priority: Major
>
> Needed for folks who write custom codegen code.
>
> This will involve making ExpressionColumnNode &
> ColumnNodeToExpressionConverter public as a developer API
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