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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2018/07/09 21:54:00 UTC

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

     [ https://issues.apache.org/jira/browse/SPARK-24759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li resolved SPARK-24759.
-----------------------------
       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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