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Posted to issues@spark.apache.org by "XiDuo You (Jira)" <ji...@apache.org> on 2022/04/02 10:19:00 UTC

[jira] [Created] (SPARK-38773) Correct the Union output partitioning and ordering

XiDuo You created SPARK-38773:
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             Summary: Correct the Union output partitioning and ordering
                 Key: SPARK-38773
                 URL: https://issues.apache.org/jira/browse/SPARK-38773
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.4.0
            Reporter: XiDuo You


If the output partitioning of all children are  semantics equality, the Union should respect their output partitioning.

Else if the outout ordering of all children are semantics equality, the Union should respect their output ordering.

 



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