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https://issues.apache.org/jira/browse/SPARK-45892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17785090#comment-17785090
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Xi Liang commented on SPARK-45892:
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cc [~cloud_fan] here's the PR [https://github.com/apache/spark/pull/43761]
PTAL, thanks!
> 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: 3.4.0, 3.4.1
> Reporter: Xi Liang
> Priority: Major
> Labels: pull-request-available
>
> 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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