chore: Improvements of fallback info (#2450)

Author: wForget

spark/src/main/scala/org/apache/comet/ExtendedExplainInfo.scala

@@ -25,6 +25,7 @@ import org.apache.spark.sql.ExtendedExplainGenerator
 import org.apache.spark.sql.catalyst.trees.{TreeNode, TreeNodeTag}
 import org.apache.spark.sql.execution.{InputAdapter, SparkPlan, WholeStageCodegenExec}
 import org.apache.spark.sql.execution.adaptive.{AdaptiveSparkPlanExec, QueryStageExec}
+import org.apache.spark.sql.execution.exchange.ReusedExchangeExec
 
 import org.apache.comet.CometExplainInfo.getActualPlan
 
@@ -158,6 +159,7 @@ object CometExplainInfo {
       case p: InputAdapter => getActualPlan(p.child)
       case p: QueryStageExec => getActualPlan(p.plan)
       case p: WholeStageCodegenExec => getActualPlan(p.child)
+      case p: ReusedExchangeExec => getActualPlan(p.child)
       case p => p
     }
   }

spark/src/main/scala/org/apache/comet/rules/CometExecRule.scala

@@ -535,8 +535,7 @@ case class CometExecRule(session: SparkSession) extends Rule[SparkPlan] {
 
       case op =>
         op match {
-          case _: CometExec | _: AQEShuffleReadExec | _: BroadcastExchangeExec |
-              _: CometBroadcastExchangeExec | _: CometShuffleExchangeExec |
+          case _: CometPlan | _: AQEShuffleReadExec | _: BroadcastExchangeExec |
               _: BroadcastQueryStageExec | _: AdaptiveSparkPlanExec =>
             // Some execs should never be replaced. We include
             // these cases specially here so we do not add a misleading 'info' message