[GitHub] [spark] ulysses-you commented on pull request #39624: [SPARK-42101][SQL] Introduce Materializable and MaterializableQueryStage for AQE framework

["ulysses-you (via GitHub)" <gi...@apache.org>]

ulysses-you commented on PR #39624:
URL: https://github.com/apache/spark/pull/39624#issuecomment-1451242481

   @cloud-fan it seems the main concern is that, shall we make `Materializable` as first-class citizen in AQE framework ? if so, then all code place in AQE framework should use `Materializable` instead of `QueryStage`.
   
   In fact, I'm not sure it is fine. There are a lot of code name depend on query stage. e.g., `queryStagePreparationRules` -> `materializablePreparationRules`. It actually the developer api
   


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