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https://issues.apache.org/jira/browse/SPARK-24759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li resolved SPARK-24759.
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Resolution: Fixed
Fix Version/s: 2.4.0
> No reordering keys for broadcast hash join
> ------------------------------------------
>
> Key: SPARK-24759
> URL: https://issues.apache.org/jira/browse/SPARK-24759
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Xiao Li
> Assignee: Xiao Li
> Priority: Major
> Fix For: 2.4.0
>
>
> As the implementation of the broadcast hash join is independent of the input
> hash partitioning, reordering keys is not necessary. Thus, we solve this
> issue by simply removing the broadcast hash join from the reordering rule in
> EnsureRequirements.
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