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Posted to issues@spark.apache.org by "ulysses you (JIRA)" <ji...@apache.org> on 2019/08/15 14:22:00 UTC

[jira] [Created] (SPARK-28746) Add repartitionby hint to support RepartitionByExpression

ulysses you created SPARK-28746:
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             Summary: Add repartitionby hint to support RepartitionByExpression
                 Key: SPARK-28746
                 URL: https://issues.apache.org/jira/browse/SPARK-28746
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.3
            Reporter: ulysses you


Now, `RepartitionByExpression` is allowed at Dataset method `Dataset.repartition()`. But in spark sql,  we do not have an equivalent functionality. 

In hive, we can use `distribute by`, so it's worth to add a hint to support such function.

Similar jira https://issues.apache.org/jira/browse/SPARK-24940



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