Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/9832#discussion_r45301561
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -580,6 +580,18 @@ class Dataset[T] private[sql](
*/
def takeAsList(num: Int): java.util.List[T] =
java.util.Arrays.asList(take(num) : _*)
+ /**
+ * Prints the plans (logical and physical) to the console for debugging
purposes.
+ * @since 1.6.0
+ */
+ def explain(extended: Boolean): Unit = toDF().explain(extended)
+
+ /**
+ * Only prints the physical plan to the console for debugging purposes.
+ * @since 1.6.0
+ */
+ def explain(): Unit = explain(extended = false)
--- End diff --
How about putting this in `Queryable`?
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