mingkangli-db commented on code in PR #47374:
URL: https://github.com/apache/spark/pull/47374#discussion_r1690176446


##########
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/QueryStageExec.scala:
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@@ -154,14 +154,14 @@ abstract class QueryStageExec extends LeafExecNode {
 abstract class ExchangeQueryStageExec extends QueryStageExec {
 
   /**
-   * Cancel the stage materialization if in progress; otherwise do nothing.
+   * Cancel the stage materialization if in progress with an optional reason; 
otherwise do nothing.
    */
-  final def cancel(): Unit = {
+  final def cancel(reason: Option[String]): Unit = {

Review Comment:
   I don't think so, are you suggesting we can change the method signature to 
`reason: String` then?



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