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https://issues.apache.org/jira/browse/SPARK-39551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17563568#comment-17563568
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Dongjoon Hyun commented on SPARK-39551:
---------------------------------------
This is backported for the bug fix patch,
https://github.com/apache/spark/pull/37087 .
- https://github.com/apache/spark/pull/37087#issuecomment-1175840358
> Add AQE invalid plan check
> --------------------------
>
> Key: SPARK-39551
> URL: https://issues.apache.org/jira/browse/SPARK-39551
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: Wei Xue
> Assignee: Wei Xue
> Priority: Minor
> Fix For: 3.2.2, 3.4.0, 3.3.1
>
>
> AQE logical optimization rules can lead to invalid physical plans as certain
> physical plan nodes are not compatible with others. E.g.,
> `BroadcastExchangeExec` can only work as a direct child of broadcast join
> nodes.
> Logical optimizations, on the other hand, are not (and should not be) aware
> of such restrictions. So a general solution here is to check for invalid
> plans and throw exceptions, which can be caught by AQE replanning process.
> And if such an exception is captured, AQE can void the current replanning
> result and keep using the latest valid plan.
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