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Posted to issues@spark.apache.org by "Peter Andrew (Jira)" <ji...@apache.org> on 2026/09/21 16:36:00 UTC

[jira] [Created] (SPARK-59693) Avoid double evaluation of non-trivial projected elements for Python UDFs

Peter Andrew created SPARK-59693:
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             Summary: Avoid double evaluation of non-trivial projected elements for Python UDFs
                 Key: SPARK-59693
                 URL: https://issues.apache.org/jira/browse/SPARK-59693
             Project: Spark
          Issue Type: Improvement
          Components: PySpark, SQL
    Affects Versions: 4.3.0
            Reporter: Peter Andrew


https://issues.apache.org/jira/browse/SPARK-47672 introduces a mechanism to avoid double evaluation of non-trivial projected elements due to filter pushdown, but only enabled it for Scala UDFs. We should also support it for all flavours of Python UDFs.



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