liangz1 commented on a change in pull request #27565:
[WIP][SPARK-30791][SQL][PYTHON] Add 'sameSemantics' and 'sementicHash' methods
in Dataset
URL: https://github.com/apache/spark/pull/27565#discussion_r379364408
##########
File path: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala
##########
@@ -3308,6 +3308,37 @@ class Dataset[T] private[sql](
files.toSet.toArray
}
+ /**
+ * Returns true when the query plan of the given Dataset will return the
same results as this
+ * Dataset.
+ *
+ * Since its likely undecidable to generally determine if two given plans
will produce the same
Review comment:
Sounds good to me. It's more clear and concise.
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