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https://issues.apache.org/jira/browse/SPARK-27865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-27865:
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Assignee: (was: Apache Spark)
> Spark SQL support 1:N sort merge bucket join without shuffle
> ------------------------------------------------------------
>
> Key: SPARK-27865
> URL: https://issues.apache.org/jira/browse/SPARK-27865
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 2.4.3
> Reporter: Jason Guo
> Priority: Major
>
> This feature is to support 1:N bucket join
>
> Without the feature, only bucketed tables which have the same buckets can be
> joint with sort merge bucket join. If two tables have different number of
> buckets, shuffle is needed
>
> This feature make it possible to join two bucketed tables with sort merge
> bucket join without shuffle
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