Xi Liang created SPARK-45892:
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Summary: Refactor the optimizer plan validation
Key: SPARK-45892
URL: https://issues.apache.org/jira/browse/SPARK-45892
Project: Spark
Issue Type: Improvement
Components: Optimizer
Affects Versions: 3.4.1, 3.4.0
Reporter: Xi Liang
Currently, the expressionIDUniqueness validation is closely coupled with output
schema validation.
https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala#L403C7-L411C8
Some refactoring can improve readability and reuse.
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