[GitHub] [spark] mgaido91 commented on a change in pull request #25055: [SPARK-28189][SQL] Use semanticEquals in Dataset drop method for attributes comparison

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mgaido91 commented on a change in pull request #25055: [SPARK-28189][SQL] Use semanticEquals in Dataset drop method for attributes comparison
URL: https://github.com/apache/spark/pull/25055#discussion_r300548345
 
 

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 File path: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala
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 @@ -2322,7 +2322,7 @@ class Dataset[T] private[sql](
     }
     val attrs = this.logicalPlan.output
     val colsAfterDrop = attrs.filter { attr =>
-      attr != expression
+      !attr.semanticEquals(expression)
 
 Review comment:
   There are other places. Please see https://github.com/apache/spark/pull/21449.

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