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Posted to issues@spark.apache.org by "XiDuo You (Jira)" <ji...@apache.org> on 2023/02/21 02:52:00 UTC

[jira] [Created] (SPARK-42504) NestedColumnAliasing support pruning adjacent projects

XiDuo You created SPARK-42504:
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             Summary: NestedColumnAliasing support pruning adjacent projects
                 Key: SPARK-42504
                 URL: https://issues.apache.org/jira/browse/SPARK-42504
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.5.0
            Reporter: XiDuo You


CollapseProject won't combine adjacent projects into one, e.g. non-cheap expression has been accessed more than once with the below project.




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