| /* |
| * 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.util |
| |
| import java.lang.reflect.Method |
| |
| import org.apache.spark.sql.{DataFrame, Dataset, SparkSession} |
| import org.apache.spark.sql.catalyst.plans.logical.{LogicalPlan, Statistics} |
| import org.apache.spark.sql.catalyst.rules.Rule |
| import org.apache.spark.sql.internal.{SessionState, SQLConf} |
| import org.apache.spark.util.{CarbonReflectionUtils, SparkUtil} |
| |
| object SparkSQLUtil { |
| def sessionState(sparkSession: SparkSession): SessionState = sparkSession.sessionState |
| |
| def execute(logicalPlan: LogicalPlan, sparkSession: SparkSession): DataFrame = { |
| Dataset.ofRows(sparkSession, logicalPlan) |
| } |
| |
| def getSparkSession: SparkSession = { |
| SparkSession.getDefaultSession.get |
| } |
| |
| def invokeStatsMethod(logicalPlanObj: LogicalPlan, conf: SQLConf): Statistics = { |
| if (SparkUtil.isSparkVersionEqualTo("2.2")) { |
| val method: Method = logicalPlanObj.getClass.getMethod("stats", classOf[SQLConf]) |
| method.invoke(logicalPlanObj, conf).asInstanceOf[Statistics] |
| } else if (SparkUtil.isSparkVersionXandAbove("2.3")) { |
| val method: Method = logicalPlanObj.getClass.getMethod("stats") |
| method.invoke(logicalPlanObj).asInstanceOf[Statistics] |
| } else { |
| throw new UnsupportedOperationException("Spark version not supported") |
| } |
| } |
| |
| def getReorderJoinObj(conf: SQLConf): Rule[LogicalPlan] = { |
| if (SparkUtil.isSparkVersionEqualTo("2.2")) { |
| val className = "org.apache.spark.sql.catalyst.optimizer.ReorderJoin"; |
| CarbonReflectionUtils.createObject(className, conf)._1.asInstanceOf[Rule[LogicalPlan]] |
| } else if (SparkUtil.isSparkVersionXandAbove("2.3")) { |
| val className = "org.apache.spark.sql.catalyst.optimizer.ReorderJoin$"; |
| CarbonReflectionUtils.createObjectOfPrivateConstructor(className)._1 |
| .asInstanceOf[Rule[LogicalPlan]] |
| } else { |
| throw new UnsupportedOperationException("Spark version not supported") |
| } |
| } |
| |
| def getEliminateOuterJoinObj(conf: SQLConf): Rule[LogicalPlan] = { |
| if (SparkUtil.isSparkVersionEqualTo("2.2")) { |
| val className = "org.apache.spark.sql.catalyst.optimizer.EliminateOuterJoin"; |
| CarbonReflectionUtils.createObject(className, conf)._1.asInstanceOf[Rule[LogicalPlan]] |
| } else if (SparkUtil.isSparkVersionXandAbove("2.3")) { |
| val className = "org.apache.spark.sql.catalyst.optimizer.EliminateOuterJoin$"; |
| CarbonReflectionUtils.createObjectOfPrivateConstructor(className)._1 |
| .asInstanceOf[Rule[LogicalPlan]] |
| } else { |
| throw new UnsupportedOperationException("Spark version not supported") |
| } |
| } |
| |
| def getNullPropagationObj(conf: SQLConf): Rule[LogicalPlan] = { |
| if (SparkUtil.isSparkVersionEqualTo("2.2")) { |
| val className = "org.apache.spark.sql.catalyst.optimizer.NullPropagation"; |
| CarbonReflectionUtils.createObject(className, conf)._1.asInstanceOf[Rule[LogicalPlan]] |
| } else if (SparkUtil.isSparkVersionXandAbove("2.3")) { |
| val className = "org.apache.spark.sql.catalyst.optimizer.NullPropagation$"; |
| CarbonReflectionUtils.createObjectOfPrivateConstructor(className)._1 |
| .asInstanceOf[Rule[LogicalPlan]] |
| } else { |
| throw new UnsupportedOperationException("Spark version not supported") |
| } |
| } |
| |
| def getCheckCartesianProductsObj(conf: SQLConf): Rule[LogicalPlan] = { |
| if (SparkUtil.isSparkVersionEqualTo("2.2")) { |
| val className = "org.apache.spark.sql.catalyst.optimizer.CheckCartesianProducts"; |
| CarbonReflectionUtils.createObject(className, conf)._1.asInstanceOf[Rule[LogicalPlan]] |
| } else if (SparkUtil.isSparkVersionXandAbove("2.3")) { |
| val className = "org.apache.spark.sql.catalyst.optimizer.CheckCartesianProducts$"; |
| CarbonReflectionUtils.createObjectOfPrivateConstructor(className)._1 |
| .asInstanceOf[Rule[LogicalPlan]] |
| } else { |
| throw new UnsupportedOperationException("Spark version not supported") |
| } |
| } |
| } |