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Posted to issues@spark.apache.org by "ulysses you (Jira)" <ji...@apache.org> on 2021/03/31 09:23:00 UTC

[jira] [Created] (SPARK-34919) Change partitioning to SinglePartition if partition number is 1

ulysses you created SPARK-34919:
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             Summary: Change partitioning to SinglePartition if partition number is 1
                 Key: SPARK-34919
                 URL: https://issues.apache.org/jira/browse/SPARK-34919
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.2.0
            Reporter: ulysses you


For node `Repartition` and `RepartitionByExpression`, if partition number is 1 we can use `SinglePartition` instead of other `Partitioning`.




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