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Posted to issues@spark.apache.org by "Yingyi Bu (Jira)" <ji...@apache.org> on 2021/04/13 17:15:00 UTC

[jira] [Created] (SPARK-35052) Use static treePatternBitSet for Leaf expressions like AttributeReference and Literal

Yingyi Bu created SPARK-35052:
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             Summary: Use static treePatternBitSet for Leaf expressions like AttributeReference and Literal
                 Key: SPARK-35052
                 URL: https://issues.apache.org/jira/browse/SPARK-35052
             Project: Spark
          Issue Type: Sub-task
          Components: Optimizer
    Affects Versions: 3.1.0
            Reporter: Yingyi Bu


Tree patterns for leaf expression nodes like AttributeReference and Literal do not vary for different object instances and thus we should use singleton BitSet for all object instances of such a case class.



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