maropu commented on a change in pull request #25055: [SPARK-28189] Use
semanticEquals in Dataset drop method for attributes comparison
URL: https://github.com/apache/spark/pull/25055#discussion_r300514751
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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:
Is there no palce having the same issue?
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