update comment

imback82 · imback82 · commit 0dc6b087e7fd · 2020-03-06T16:49:32.000-08:00
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/AliasAwareOutputs.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/AliasAwareOutputs.scala
@@ -20,8 +20,8 @@ import org.apache.spark.sql.catalyst.expressions.{Alias, Attribute, AttributeRef
 import org.apache.spark.sql.catalyst.plans.physical.{HashPartitioning, Partitioning}
 
 /**
- * A trait that handles aliases in the `outputExpressions` to produce `outputPartitioning`
- * that satisfies output distribution requirements.
+ * A trait that handles aliases in the `outputExpressions` and `orderingExpressions` to produce
+ * `outputPartitioning` and `outputOrdering` that satisfy distribution and ordering requirements.
  */
 trait AliasAwareOutputs extends UnaryExecNode {
   protected def outputExpressions: Seq[NamedExpression]
