Zhen Wang created SPARK-47897:
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Summary: ExpressionSet performance regression in scala 2.12
Key: SPARK-47897
URL: https://issues.apache.org/jira/browse/SPARK-47897
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.5.1
Reporter: Zhen Wang
After [SPARK-38836|https://issues.apache.org/jira/browse/SPARK-38836], the `++`
and `--` methods in ExpressionSet were removed, causing performance regression.
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