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https://issues.apache.org/jira/browse/SPARK-54961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-54961.
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Fix Version/s: 4.2.0
Resolution: Fixed
Issue resolved by pull request 53729
[https://github.com/apache/spark/pull/53729]
> Introduce GroupingAnalyticsTransformer
> --------------------------------------
>
> Key: SPARK-54961
> URL: https://issues.apache.org/jira/browse/SPARK-54961
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Mihailo Aleksic
> Assignee: Mihailo Aleksic
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.2.0
>
>
> In this PR I propose to introduce GroupingAnalyticsTransformer so we could
> reuse grouping analytics related code in the single-pass implementation.
> Besides the refactor we update nullabilities of Expand operator in place
> instead waiting on UpdateAttributeNullability to trigger.
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