Github user markhamstra commented on a diff in the pull request:
https://github.com/apache/spark/pull/1535#discussion_r15259034
--- Diff: core/src/main/scala/org/apache/spark/rdd/RDD.scala ---
@@ -1294,7 +1307,11 @@ abstract class RDD[T: ClassTag](
val partitionStr = "(" + rdd.partitions.size + ")"
val leftOffset = (partitionStr.length - 1) / 2
val nextPrefix = (" " * leftOffset) + "|" + (" " *
(partitionStr.length - leftOffset))
- Seq(partitionStr + " " + rdd) ++ debugChildren(rdd, nextPrefix)
+
+ debugSelf(rdd).zipWithIndex.map{
+ case (desc: String, 0) => partitionStr+" "+desc
+ case (desc: String, _) => nextPrefix+" "+desc
--- End diff --
And elsewhere in this PR, avoid string concatenation with `+` when string
interpolation would be equally clear or clearer.
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