Github user nongli commented on a diff in the pull request:
https://github.com/apache/spark/pull/11248#discussion_r53709739
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegen.scala
---
@@ -172,19 +175,23 @@ case class InputAdapter(child: SparkPlan) extends
LeafNode with CodegenSupport {
override def supportCodegen: Boolean = false
- override def upstream(): RDD[InternalRow] = {
- child.execute()
+ override def upstreams(): Seq[RDD[InternalRow]] = {
+ child.execute() :: Nil
}
override def doProduce(ctx: CodegenContext): String = {
+ val input = ctx.freshName("input")
+ // Right now, Range is only used when there is one upstream.
--- End diff --
Range -> InputAdapter?
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