Github user YanjieGao commented on a diff in the pull request:
https://github.com/apache/spark/pull/1150#discussion_r14555293
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala ---
@@ -274,7 +274,7 @@ private[sql] abstract class SparkStrategies extends
QueryPlanner[SparkPlan] {
case Unions(unionChildren) =>
execution.Union(unionChildren.map(planLater))(sqlContext) :: Nil
case logical.Except(left,right) =>
- execution.Except(planLater(left),planLater(right)) :: Nil
--- End diff --
I don't know why this line always red
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