[VL] Do not skip updating children's metrics while visiting an operat…

…or with NoopMetricsUpdater

backends-clickhouse/src/main/scala/org/apache/gluten/metrics/HashAggregateMetricsUpdater.scala

@@ -65,7 +65,7 @@ class HashAggregateMetricsUpdater(val metrics: Map[String, SQLMetric])
         }
       }
     } catch {
-      case e: Throwable =>
+      case e: Exception =>
         logError(s"Updating native metrics failed due to ${e.getCause}.")
         throw e
     }

backends-clickhouse/src/main/scala/org/apache/gluten/metrics/HashJoinMetricsUpdater.scala

@@ -104,7 +104,7 @@ class HashJoinMetricsUpdater(val metrics: Map[String, SQLMetric])
         }
       }
     } catch {
-      case e: Throwable =>
+      case e: Exception =>
         logError(s"Updating native metrics failed due to ${e.getCause}.")
         throw e
     }

backends-clickhouse/src/main/scala/org/apache/gluten/metrics/MetricsUtil.scala

@@ -41,7 +41,7 @@ object MetricsUtil extends Logging {
       case t: TransformSupport =>
         MetricsUpdaterTree(t.metricsUpdater(), t.children.map(treeifyMetricsUpdaters))
       case _ =>
-        MetricsUpdaterTree(NoopMetricsUpdater, Seq())
+        MetricsUpdaterTree(MetricsUpdater.Terminate, Seq())
     }
   }
 
@@ -107,7 +107,7 @@ object MetricsUtil extends Logging {
             s"Updating native metrics failed due to the wrong size of metrics data: " +
               s"$numNativeMetrics")
           ()
-        } else if (mutNode.updater == NoopMetricsUpdater) {
+        } else if (mutNode.updater == MetricsUpdater.Terminate) {
           ()
         } else {
           updateTransformerMetricsInternal(
@@ -159,7 +159,7 @@ object MetricsUtil extends Logging {
 
     mutNode.children.foreach {
       child =>
-        if (child.updater != NoopMetricsUpdater) {
+        if (child.updater != MetricsUpdater.Terminate) {
           val result = updateTransformerMetricsInternal(
             child,
             relMap,

backends-velox/src/main/scala/org/apache/gluten/execution/TopNTransformer.scala

@@ -19,7 +19,7 @@ package org.apache.gluten.execution
 import org.apache.gluten.backendsapi.BackendsApiManager
 import org.apache.gluten.expression.{ConverterUtils, ExpressionConverter}
 import org.apache.gluten.extension.ValidationResult
-import org.apache.gluten.metrics.{MetricsUpdater, NoopMetricsUpdater}
+import org.apache.gluten.metrics.MetricsUpdater
 import org.apache.gluten.substrait.`type`.TypeBuilder
 import org.apache.gluten.substrait.SubstraitContext
 import org.apache.gluten.substrait.extensions.ExtensionBuilder
@@ -114,5 +114,5 @@ case class TopNTransformer(
     }
   }
 
-  override def metricsUpdater(): MetricsUpdater = NoopMetricsUpdater // TODO
+  override def metricsUpdater(): MetricsUpdater = MetricsUpdater.Todo // TODO
 }

gluten-core/src/main/scala/org/apache/gluten/execution/WholeStageTransformer.scala

@@ -21,7 +21,7 @@ import org.apache.gluten.backendsapi.BackendsApiManager
 import org.apache.gluten.exception.GlutenException
 import org.apache.gluten.expression._
 import org.apache.gluten.extension.GlutenPlan
-import org.apache.gluten.metrics.{GlutenTimeMetric, MetricsUpdater, NoopMetricsUpdater}
+import org.apache.gluten.metrics.{GlutenTimeMetric, MetricsUpdater}
 import org.apache.gluten.substrait.`type`.{TypeBuilder, TypeNode}
 import org.apache.gluten.substrait.SubstraitContext
 import org.apache.gluten.substrait.plan.{PlanBuilder, PlanNode}
@@ -350,7 +350,7 @@ case class WholeStageTransformer(child: SparkPlan, materializeInput: Boolean = f
   override def metricsUpdater(): MetricsUpdater = {
     child match {
       case transformer: TransformSupport => transformer.metricsUpdater()
-      case _ => NoopMetricsUpdater
+      case _ => MetricsUpdater.None
     }
   }
 
@@ -361,7 +361,7 @@ case class WholeStageTransformer(child: SparkPlan, materializeInput: Boolean = f
         case _ => false
       }
       .map(_.asInstanceOf[TransformSupport].metricsUpdater())
-      .getOrElse(NoopMetricsUpdater)
+      .getOrElse(MetricsUpdater.None)
   }
 
   override protected def withNewChildInternal(newChild: SparkPlan): WholeStageTransformer =

gluten-core/src/main/scala/org/apache/gluten/extension/columnar/enumerated/RemoveFilter.scala

@@ -17,7 +17,7 @@
 package org.apache.gluten.extension.columnar.enumerated
 
 import org.apache.gluten.execution._
-import org.apache.gluten.metrics.{MetricsUpdater, NoopMetricsUpdater}
+import org.apache.gluten.metrics.MetricsUpdater
 import org.apache.gluten.ras.path.Pattern._
 import org.apache.gluten.ras.path.Pattern.Matchers._
 import org.apache.gluten.ras.rule.{RasRule, Shape}
@@ -71,7 +71,7 @@ object RemoveFilter extends RasRule[SparkPlan] {
   // spark.sql.adaptive.logLevel=ERROR.
   case class NoopFilter(override val child: SparkPlan, override val output: Seq[Attribute])
     extends UnaryTransformSupport {
-    override def metricsUpdater(): MetricsUpdater = NoopMetricsUpdater
+    override def metricsUpdater(): MetricsUpdater = MetricsUpdater.None
     override protected def withNewChildInternal(newChild: SparkPlan): SparkPlan = copy(newChild)
     override def outputPartitioning: Partitioning = child.outputPartitioning
     override def outputOrdering: Seq[SortOrder] = child.outputOrdering

gluten-core/src/main/scala/org/apache/gluten/metrics/MetricsUpdater.scala

@@ -16,7 +16,6 @@
  */
 package org.apache.gluten.metrics
 
-import org.apache.spark.sql.execution.metric.SQLMetric
 import org.apache.spark.sql.utils.OASPackageBridge.InputMetricsWrapper
 
 /**
@@ -26,16 +25,34 @@ import org.apache.spark.sql.utils.OASPackageBridge.InputMetricsWrapper
  * TODO: place it to some other where since it's used not only by whole stage facilities
  */
 trait MetricsUpdater extends Serializable {
+  def updateInputMetrics(inputMetrics: InputMetricsWrapper): Unit = {}
+  def updateNativeMetrics(operatorMetrics: IOperatorMetrics): Unit = {}
+}
 
-  def metrics: Map[String, SQLMetric]
+object MetricsUpdater {
+  // An empty metrics updater. Used when the operator generates native metrics but
+  // it's yet unwanted to update the metrics in JVM side.
+  object Todo extends MetricsUpdater {}
 
-  def updateInputMetrics(inputMetrics: InputMetricsWrapper): Unit = {}
+  // Used when the operator doesn't generate native metrics. It could be because
+  // the operator doesn't generate any native query plan.
+  object None extends MetricsUpdater {
+    override def updateInputMetrics(inputMetrics: InputMetricsWrapper): Unit =
+      throw new UnsupportedOperationException()
+    override def updateNativeMetrics(operatorMetrics: IOperatorMetrics): Unit =
+      throw new UnsupportedOperationException()
+  }
 
-  def updateNativeMetrics(operatorMetrics: IOperatorMetrics): Unit = {}
+  // Indicates a branch of a MetricsUpdaterTree is terminated. It's not bound to
+  // any operators.
+  object Terminate extends MetricsUpdater {
+    override def updateInputMetrics(inputMetrics: InputMetricsWrapper): Unit =
+      throw new UnsupportedOperationException()
+    override def updateNativeMetrics(operatorMetrics: IOperatorMetrics): Unit =
+      throw new UnsupportedOperationException()
+  }
 }
 
 final case class MetricsUpdaterTree(updater: MetricsUpdater, children: Seq[MetricsUpdaterTree])
 
-object NoopMetricsUpdater extends MetricsUpdater {
-  override def metrics: Map[String, SQLMetric] = Map.empty
-}
+object MetricsUpdaterTree {}

gluten-data/src/main/scala/org/apache/gluten/metrics/MetricsUtil.scala

@@ -54,10 +54,13 @@ object MetricsUtil extends Logging {
           MetricsUpdaterTree(
             smj.metricsUpdater(),
             Seq(treeifyMetricsUpdaters(smj.bufferedPlan), treeifyMetricsUpdaters(smj.streamedPlan)))
+        case t: TransformSupport if t.metricsUpdater() == MetricsUpdater.None =>
+          assert(t.children.size == 1, "MetricsUpdater.None can only be used on unary operator")
+          treeifyMetricsUpdaters(t.children.head)
         case t: TransformSupport =>
           MetricsUpdaterTree(t.metricsUpdater(), t.children.map(treeifyMetricsUpdaters))
         case _ =>
-          MetricsUpdaterTree(NoopMetricsUpdater, Seq())
+          MetricsUpdaterTree(MetricsUpdater.Terminate, Seq())
       }
     }
 
@@ -180,6 +183,8 @@ object MetricsUtil extends Logging {
     )
   }
 
+  // FIXME: Metrics updating code is too magical to maintain. Tree-walking algorithm should be made
+  //  more declarative than by counting down some kind of counters that don't have fixed definition.
   /**
    * @return
    *   operator index and metrics index
@@ -192,6 +197,9 @@ object MetricsUtil extends Logging {
       metricsIdx: Int,
       joinParamsMap: JMap[JLong, JoinParams],
       aggParamsMap: JMap[JLong, AggregationParams]): (JLong, Int) = {
+    if (mutNode.updater == MetricsUpdater.Terminate) {
+      return (operatorIdx, metricsIdx)
+    }
     val operatorMetrics = new JArrayList[OperatorMetrics]()
     var curMetricsIdx = metricsIdx
     relMap
@@ -245,18 +253,16 @@ object MetricsUtil extends Logging {
 
     mutNode.children.foreach {
       child =>
-        if (child.updater != NoopMetricsUpdater) {
-          val result = updateTransformerMetricsInternal(
-            child,
-            relMap,
-            newOperatorIdx,
-            metrics,
-            newMetricsIdx,
-            joinParamsMap,
-            aggParamsMap)
-          newOperatorIdx = result._1
-          newMetricsIdx = result._2
-        }
+        val result = updateTransformerMetricsInternal(
+          child,
+          relMap,
+          newOperatorIdx,
+          metrics,
+          newMetricsIdx,
+          joinParamsMap,
+          aggParamsMap)
+        newOperatorIdx = result._1
+        newMetricsIdx = result._2
     }
 
     (newOperatorIdx, newMetricsIdx)
@@ -292,8 +298,6 @@ object MetricsUtil extends Logging {
         val numNativeMetrics = metrics.inputRows.length
         if (numNativeMetrics == 0) {
           ()
-        } else if (mutNode.updater == NoopMetricsUpdater) {
-          ()
         } else {
           updateTransformerMetricsInternal(
             mutNode,
@@ -305,7 +309,7 @@ object MetricsUtil extends Logging {
             aggParamsMap)
         }
       } catch {
-        case e: Throwable =>
+        case e: Exception =>
           logWarning(s"Updating native metrics failed due to ${e.getCause}.")
           ()
       }