Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19805#discussion_r153693511
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -537,9 +536,55 @@ class Dataset[T] private[sql](
*/
@Experimental
@InterfaceStability.Evolving
- def checkpoint(eager: Boolean): Dataset[T] = {
+ def checkpoint(eager: Boolean = true): Dataset[T] = _checkpoint(eager =
eager)
--- End diff --
We don't need the default value for `eager` here.
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