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Posted to github@arrow.apache.org by "alamb (via GitHub)" <gi...@apache.org> on 2023/03/18 11:24:54 UTC

[GitHub] [arrow-datafusion] alamb commented on pull request #5630: Introduce a common trait TreeNode for ExecutionPlan, PhysicalExpr, LogicalExpr, LogicalPlan

alamb commented on PR #5630:
URL: https://github.com/apache/arrow-datafusion/pull/5630#issuecomment-1474818489

   > Combine the visitor and rewrite trait to be one trait TreeNode and provide common behavior for ExecutionPlan, PhysicalExpr, LogicalExpr, LogicalPlan. And this trait contains the following methods:
   
   I wonder why the logical expressions, `Expr`, is not included as well?


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