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Posted to github@arrow.apache.org by "comphead (via GitHub)" <gi...@apache.org> on 2023/06/06 04:00:02 UTC

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

comphead commented on issue #6543:
URL: https://github.com/apache/arrow-datafusion/issues/6543#issuecomment-1577867322

   Thanks @berkaysynnada for raising. This is quite old problem,DF has unique column name check in the planner.  We planned to move this check one level upper, so the query will fail if outer query references the inner query containing duplicated aliases. Fir you scenario is it real world one? 


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