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From "Maryann Xue (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-27225) Implement join strategy hints
Date Thu, 21 Mar 2019 03:21:00 GMT
Maryann Xue created SPARK-27225:
-----------------------------------

             Summary: 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


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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