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https://issues.apache.org/jira/browse/SPARK-50496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-50496:
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Target Version/s: (was: 4.0.0)
> Change partitioning to SinglePartition if partition number is 1
> ---------------------------------------------------------------
>
> Key: SPARK-50496
> URL: https://issues.apache.org/jira/browse/SPARK-50496
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: guihuawen
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> For node `RebalancePartitions` and `RebalanceByExpression`, if partition
> number is 1 we can use `SinglePartition` instead of other `Partitioning`.
> h4.
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