Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/1151#discussion_r14277475
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala ---
@@ -236,6 +236,8 @@ private[sql] abstract class SparkStrategies extends
QueryPlanner[SparkPlan] {
execution.Limit(limit, planLater(child))(sparkContext) :: Nil
case Unions(unionChildren) =>
execution.Union(unionChildren.map(planLater))(sparkContext) :: Nil
+ case logical.Except(left,right) =>
//yanjiegaonew
--- End diff --
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