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From rxin <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-9085][SQL] Remove LeafNode, UnaryNode, ...
Date Thu, 16 Jul 2015 06:48:29 GMT
Github user rxin commented on a diff in the pull request:

    https://github.com/apache/spark/pull/7434#discussion_r34759860
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
---
    @@ -277,15 +276,21 @@ abstract class LogicalPlan extends QueryPlan[LogicalPlan] with Logging
{
     /**
      * A logical plan node with no children.
      */
    -abstract class LeafNode extends LogicalPlan with trees.LeafNode[LogicalPlan] {
    +abstract class LeafNode extends LogicalPlan {
       self: Product =>
    +
    +  override def children: Seq[LogicalPlan] = Nil
     }
     
     /**
      * A logical plan node with single child.
      */
    -abstract class UnaryNode extends LogicalPlan with trees.UnaryNode[LogicalPlan] {
    +abstract class UnaryNode extends LogicalPlan {
       self: Product =>
    --- End diff --
    
    it's still required


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