Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/20036#discussion_r158776541
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegenExec.scala
---
@@ -283,7 +283,7 @@ case class InputAdapter(child: SparkPlan) extends
UnaryExecNode with CodegenSupp
override def doProduce(ctx: CodegenContext): String = {
// Right now, InputAdapter is only used when there is one input RDD.
- // inline mutable state since an inputAdaptor in a task
+ // inline mutable state since an InputAdapter is used once in a task
for WholeStageCodegen
--- End diff --
nit: `inline` -> `Inline`
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