Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/4496#discussion_r24468615
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/DataFrameImpl.scala
---
@@ -112,6 +112,12 @@ private[sql] class DataFrameImpl protected[sql](
override def printSchema(): Unit = println(schema.treeString)
+ override def printPlan(extended: Boolean): Unit = {
+ ExplainCommand(
+ logicalPlan,
+ extended = extended).rdd.collect().map(r => println(r.getString(0)))
--- End diff --
Yeah, you're right, a little bit tricky thing here is `collect` is the API
of `TreeNode`, and `ExplanCommand` is also a `TreeNode`, so it will causes
ambiguous when implicitly convert to `DataFrame`, anyway, I will do that
explicitly.
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