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Posted to issues@spark.apache.org by "Wenchen Fan (JIRA)" <ji...@apache.org> on 2019/04/12 03:34:00 UTC

[jira] [Assigned] (SPARK-27225) Implement join strategy hints

     [ https://issues.apache.org/jira/browse/SPARK-27225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-27225:
-----------------------------------

    Assignee: Maryann Xue

> Implement join strategy hints
> -----------------------------
>
>                 Key: SPARK-27225
>                 URL: https://issues.apache.org/jira/browse/SPARK-27225
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: Maryann Xue
>            Assignee: Maryann Xue
>            Priority: Major
>
> Extend the existing BROADCAST join hint by implementing other join strategy hints corresponding to the rest of Spark's existing join strategies: shuffle-hash, sort-merge, cartesian-product. Broadcast-nested-loop will use BROADCAST hint as it does now.



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