Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11190#discussion_r53545843
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala
---
@@ -226,4 +227,29 @@ abstract class QueryPlan[PlanType <:
TreeNode[PlanType]] extends TreeNode[PlanTy
protected def statePrefix = if (missingInput.nonEmpty &&
children.nonEmpty) "!" else ""
override def simpleString: String = statePrefix + super.simpleString
+
+ override def generateTreeString(
+ depth: Int, lastChildren: Seq[Boolean], builder: StringBuilder):
StringBuilder = {
+ if (depth > 0) {
+ lastChildren.init.foreach { isLast =>
+ val prefixFragment = if (isLast) " " else ": "
+ builder.append(prefixFragment)
+ }
+
+ val branch = if (lastChildren.last) "+- " else ":- "
+ builder.append(branch)
+ }
+
+ builder.append(simpleString)
+ builder.append("\n")
+
+ val allSubqueries = expressions.flatMap(_.collect {case e:
SubqueryExpression => e})
--- End diff --
can you try? I don't have time to think/write this one.
It just feels bad to do it here. If it is impossible, then of course we
have to do it here ...
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