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Posted to github@arrow.apache.org by "jackwener (via GitHub)" <gi...@apache.org> on 2023/04/11 03:29:54 UTC

[GitHub] [arrow-datafusion] jackwener commented on issue #5949: Regression in 22.0.0 with filter push-down

jackwener commented on issue #5949:
URL: https://github.com/apache/arrow-datafusion/issues/5949#issuecomment-1502636600

   It seems that this plan is unreasonable.
   ```
   select(
           column("a") + column("b"),
           column("a") - column("b"),
       )
   will get two col (a + b) (a - b)
   
   filter can't find col(a)
   ```
   
   why this PR would have introduced this change in behavior?
   
   In my opinion, origin `type coercion` is in `optimizer` and `optimizer` can skip failed rule. So the problem is covered up.
   After move it into `Analyzer` which don't skip failed rule, so this problem expose.


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