WeichenXu123 commented on a change in pull request #33853:
URL: https://github.com/apache/spark/pull/33853#discussion_r700704417
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File path: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala
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@@ -2491,6 +2491,16 @@ class Dataset[T] private[sql](
}
}
+ /**
+ * Returns a new Dataset by updating an existing column with metadata.
+ *
+ * @group untypedrel
+ * @since 3.3.0
+ */
+ def withMetadata(columnName: String, metadata: Metadata): DataFrame = {
Review comment:
shall we use function name `withColumnMetadata` to make it more clear ?
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