cloud-fan commented on code in PR #45054:
URL: https://github.com/apache/spark/pull/45054#discussion_r1480902456


##########
sql/core/src/test/scala/org/apache/spark/sql/CachedTableSuite.scala:
##########
@@ -1630,20 +1630,37 @@ class CachedTableSuite extends QueryTest with 
SQLTestUtils
       SQLConf.COALESCE_PARTITIONS_MIN_PARTITION_NUM.key -> "1",
       SQLConf.ADAPTIVE_EXECUTION_ENABLED.key -> "true") {
 
-      var finalPlan = ""
+      var finalPlan: SparkPlanInfo = null
       val listener = new SparkListener {
         override def onOtherEvent(event: SparkListenerEvent): Unit = {
           event match {
-            case SparkListenerSQLAdaptiveExecutionUpdate(_, physicalPlanDesc, 
sparkPlanInfo) =>
+            case SparkListenerSQLAdaptiveExecutionUpdate(_, _, sparkPlanInfo) 
=>
               if (sparkPlanInfo.simpleString.startsWith(
                   "AdaptiveSparkPlan isFinalPlan=true")) {
-                finalPlan = physicalPlanDesc
+                finalPlan = sparkPlanInfo
               }
             case _ => // ignore other events
           }
         }
       }
 
+      def findNodeInSparkPlanInfo(root: SparkPlanInfo, cond: SparkPlanInfo => 
Boolean):
+      Option[SparkPlanInfo] = {
+        if (cond(root)) {
+          Some(root)
+        } else {
+          root.children.flatMap(findNodeInSparkPlanInfo(_, cond)).headOption
+        }
+      }
+
+      def cachedFinalStageCoalesced(sparkPlanInfo: SparkPlanInfo): Boolean = {
+        val inMemoryScanNode = findNodeInSparkPlanInfo(sparkPlanInfo,
+          _.nodeName.contains("TableCacheQueryStage"))
+        val resultNode = findNodeInSparkPlanInfo(inMemoryScanNode.get,
+          _.nodeName.contains("ResultQueryStage"))

Review Comment:
   there is no `ResultQueryStage` in Spark.



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