minor change

Author: adrian-wang

sql/core/src/main/scala/org/apache/spark/sql/execution/Exchange.scala

@@ -188,7 +188,6 @@ private[sql] case class EnsureRequirements(sqlContext: SQLContext) extends Rule[
           case (required, child) => required.nonEmpty && required != child
         }
 
-
       // True iff outputPartitionings of children are compatible with each other.
       // It is possible that every child satisfies its required data distribution
       // but two children have incompatible outputPartitionings. For example,

sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoin.scala

@@ -47,8 +47,7 @@ case class SortMergeJoin(
     ClusteredDistribution(leftKeys) :: ClusteredDistribution(rightKeys) :: Nil
 
   // this is to manually construct an ordering that can be used to compare keys from both sides
-  private val keyOrdering: RowOrdering =
-    RowOrdering.forSchema(leftKeys.map(_.dataType))
+  private val keyOrdering: RowOrdering = RowOrdering.forSchema(leftKeys.map(_.dataType))
 
   override def outputOrdering: Seq[SortOrder] = requiredOrders(leftKeys)