com.nvidia.spark.rapids.tool.planparser.BatchScanExecParser.scala Maven / Gradle / Ivy

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/*
 * Copyright (c) 2022-2024, NVIDIA CORPORATION.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.nvidia.spark.rapids.tool.planparser

import com.nvidia.spark.rapids.tool.qualification.PluginTypeChecker

import org.apache.spark.internal.Logging
import org.apache.spark.sql.execution.ui.SparkPlanGraphNode
import org.apache.spark.sql.rapids.tool.AppBase

case class BatchScanExecParser(
    node: SparkPlanGraphNode,
    checker: PluginTypeChecker,
    sqlID: Long,
    app: AppBase) extends ExecParser with Logging {

  val fullExecName = "BatchScanExec"

  override def parse: ExecInfo = {
    val accumId = node.metrics.find(_.name == "scan time").map(_.accumulatorId)
    val maxDuration = SQLPlanParser.getTotalDuration(accumId, app)
    val readInfo = ReadParser.parseReadNode(node)
    // don't use the isExecSupported because we have finer grain.
    val score = ReadParser.calculateReadScoreRatio(readInfo, checker)
    val speedupFactor = checker.getSpeedupFactor(fullExecName)
    val overallSpeedup = Math.max((speedupFactor * score), 1.0)

    // TODO - add in parsing expressions - average speedup across?
    ExecInfo(node, sqlID, s"${node.name} ${readInfo.format}", s"Format: ${readInfo.format}",
      overallSpeedup, maxDuration, node.id, score > 0, None)
  }
}