[GitHub] [arrow-datafusion] jackwener commented on issue #6543: Support columns having the same alias

["jackwener (via GitHub)" <gi...@apache.org>]

jackwener commented on issue #6543:
URL: https://github.com/apache/arrow-datafusion/issues/6543#issuecomment-1605836762

   This is a legacy issue.
   
   Generally, we won't raise an error for having columns with the same name unless an outer subquery references that column name.
   
   In terms of this issue itself, we should fix it in the planner.


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