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From liancheng <...@git.apache.org>
Subject [GitHub] spark pull request #13470: [SPARK-15733][SQL] Makes the explain output less ...
Date Thu, 02 Jun 2016 18:44:51 GMT
Github user liancheng commented on a diff in the pull request:

    https://github.com/apache/spark/pull/13470#discussion_r65595938
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
---
    @@ -427,13 +427,21 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends
Product {
       private lazy val allChildren: Set[TreeNode[_]] = (children ++ innerChildren).toSet[TreeNode[_]]
     
       /** Returns a string representing the arguments to this node, minus any children */
    -  def argString: String = productIterator.flatMap {
    +  def argString: String = stringArgs.flatMap {
         case tn: TreeNode[_] if allChildren.contains(tn) => Nil
         case Some(tn: TreeNode[_]) if allChildren.contains(tn) => Nil
    -    case tn: TreeNode[_] => s"${tn.simpleString}" :: Nil
    -    case seq: Seq[BaseType] if seq.toSet.subsetOf(children.toSet) => Nil
    +    case tn: TreeNode[_] => tn.simpleString :: Nil
    +    case seq: Seq[Any] if seq.toSet.subsetOf(allChildren.asInstanceOf[Set[Any]]) =>
Nil
    +    case iter: Iterable[_] if iter.isEmpty => Nil
         case seq: Seq[_] => seq.mkString("[", ",", "]") :: Nil
    --- End diff --
    
    Let's add a space after the second `,`.


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