Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/11431#discussion_r54405042
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -138,13 +185,6 @@ class Dataset[T] private[sql](
}
/**
- * Applies a logical alias to this [[Dataset]] that can be used to
disambiguate columns that have
- * the same name after two Datasets have been joined.
- * @since 1.6.0
- */
- def as(alias: String): Dataset[T] = withPlan(SubqueryAlias(alias, _))
-
- /**
--- End diff --
This method is moved to the Typed Relational section.
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