org.apache.spark.sql.ExtendedExplainGenerator.scala Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.spark.sql

import org.apache.spark.sql.execution.SparkPlan

/**
 * A trait for a session extension to implement that provides addition explain plan information.
 * We copy this from Spark 4.0 since this trait is not available in Spark 3.x. We can remove this
 * after dropping Spark 3.x support.
 */

trait ExtendedExplainGenerator {
  def title: String

  def generateExtendedInfo(plan: SparkPlan): String
}