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Posted to issues@spark.apache.org by "L. C. Hsieh (Jira)" <ji...@apache.org> on 2021/04/05 06:23:00 UTC

[jira] [Created] (SPARK-34956) Support multiple fields when nested column pruning on Generator output

L. C. Hsieh created SPARK-34956:
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             Summary: Support multiple fields when nested column pruning on Generator output 
                 Key: SPARK-34956
                 URL: https://issues.apache.org/jira/browse/SPARK-34956
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.2.0
            Reporter: L. C. Hsieh


SPARK-34638 enhances nested column pruning rule on Generator's output. SPARK-34638 supports single field case, e.g. {{df.select(explode($"items").as("item")).select($"item.a")}}. This ticket is open for tracking multiple-field support.



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