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https://issues.apache.org/jira/browse/SPARK-45607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wan Kun updated SPARK-45607:
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Summary: Collapse repartition operators with project (was: Collapse
repartitions with project)
> Collapse repartition operators with project
> -------------------------------------------
>
> Key: SPARK-45607
> URL: https://issues.apache.org/jira/browse/SPARK-45607
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Wan Kun
> Priority: Major
>
> We can collapse two repartition operators with a project between them.
> For example:
> df.repartition($"a").select($"a", $"b", $"a" + $"b").repartition($"b")
> is same to
> df.select($"a", $"b", $"a" + $"b").repartition($"b")
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