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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2018/07/07 23:10:00 UTC

[jira] [Created] (SPARK-24759) No reordering keys for broadcast hash join

Xiao Li created SPARK-24759:
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             Summary: No reordering keys for broadcast hash join
                 Key: SPARK-24759
                 URL: https://issues.apache.org/jira/browse/SPARK-24759
             Project: Spark
          Issue Type: New Feature
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: Xiao Li
            Assignee: Xiao Li


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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