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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