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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/06/09 16:19:22 UTC

[GitHub] [arrow-datafusion] waynexia commented on issue #2712: Common Subexpression Eliminiation pass errors if run twice on some plans: Schema contains duplicate unqualified field name 'IsNull-Column-sys.host'

waynexia commented on issue #2712:
URL: https://github.com/apache/arrow-datafusion/issues/2712#issuecomment-1151340221

   Very clear reproducer @alamb, thanks! :+1: 
   
   Update: I find this only happens when both `FilterPushDown` and `CommonSubexprEliminate` are enabled. Still digging... you can assign this to me.


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