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https://issues.apache.org/jira/browse/SPARK-51671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pavle Martinović resolved SPARK-51671.
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Resolution: Won't Do
Column pruning is determined to be impossible to efficiently do, as to
effectively prune out columns, we would need to know the number of iterations
at optimization time.
> Add column pruning to Recursive CTEs
> ------------------------------------
>
> Key: SPARK-51671
> URL: https://issues.apache.org/jira/browse/SPARK-51671
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Pavle Martinović
> Priority: Major
> Labels: pull-request-available
>
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