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https://issues.apache.org/jira/browse/SPARK-49782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun closed SPARK-49782.
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> ResolveDataFrameDropColumns rule mistakenly handles UnresolvedAttribute
> -----------------------------------------------------------------------
>
>                 Key: SPARK-49782
>                 URL: https://issues.apache.org/jira/browse/SPARK-49782
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.5.2
>            Reporter: Lantao Jin
>            Assignee: Lantao Jin
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.5.4, 4.0.0
>
>
> When the drop list of `DataFrameDropColumns` contains an UnresolvedAttribute. 
> Current rule mistakenly resolve the column with its grand-children's output 
> attributes.



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