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109 changes: 109 additions & 0 deletions
109
...src/main/scala/org/apache/gluten/execution/CHBroadcastNestedLoopJoinExecTransformer.scala
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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.gluten.execution | ||
|
|
||
| import org.apache.gluten.backendsapi.BackendsApiManager | ||
| import org.apache.gluten.extension.ValidationResult | ||
|
|
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| import org.apache.spark.rdd.RDD | ||
| import org.apache.spark.rpc.GlutenDriverEndpoint | ||
| import org.apache.spark.sql.catalyst.expressions.Expression | ||
| import org.apache.spark.sql.catalyst.optimizer.BuildSide | ||
| import org.apache.spark.sql.catalyst.plans.{InnerLike, JoinType, LeftSemi} | ||
| import org.apache.spark.sql.execution.{SparkPlan, SQLExecution} | ||
| import org.apache.spark.sql.execution.joins.BuildSideRelation | ||
| import org.apache.spark.sql.vectorized.ColumnarBatch | ||
|
|
||
| import com.google.protobuf.{Any, StringValue} | ||
|
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| case class CHBroadcastNestedLoopJoinExecTransformer( | ||
| left: SparkPlan, | ||
| right: SparkPlan, | ||
| buildSide: BuildSide, | ||
| joinType: JoinType, | ||
| condition: Option[Expression]) | ||
| extends BroadcastNestedLoopJoinExecTransformer( | ||
| left, | ||
| right, | ||
| buildSide, | ||
| joinType, | ||
| condition | ||
| ) { | ||
|
|
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| override def columnarInputRDDs: Seq[RDD[ColumnarBatch]] = { | ||
| val streamedRDD = getColumnarInputRDDs(streamedPlan) | ||
| val executionId = sparkContext.getLocalProperty(SQLExecution.EXECUTION_ID_KEY) | ||
| if (executionId != null) { | ||
| GlutenDriverEndpoint.collectResources(executionId, buildBroadcastTableId) | ||
| } else { | ||
| logWarning( | ||
| s"Can't not trace broadcast table data $buildBroadcastTableId" + | ||
| s" because execution id is null." + | ||
| s" Will clean up until expire time.") | ||
| } | ||
| val broadcast = buildPlan.executeBroadcast[BuildSideRelation]() | ||
| val context = | ||
| BroadCastHashJoinContext(Seq.empty, joinType, false, buildPlan.output, buildBroadcastTableId) | ||
| val broadcastRDD = CHBroadcastBuildSideRDD(sparkContext, broadcast, context) | ||
| streamedRDD :+ broadcastRDD | ||
| } | ||
|
|
||
| override protected def withNewChildrenInternal( | ||
| newLeft: SparkPlan, | ||
| newRight: SparkPlan): CHBroadcastNestedLoopJoinExecTransformer = | ||
| copy(left = newLeft, right = newRight) | ||
|
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| def isMixedCondition(cond: Option[Expression]): Boolean = { | ||
| val res = if (cond.isDefined) { | ||
| val leftOutputSet = left.outputSet | ||
| val rightOutputSet = right.outputSet | ||
| val allReferences = cond.get.references | ||
| !(allReferences.subsetOf(leftOutputSet) || allReferences.subsetOf(rightOutputSet)) | ||
| } else { | ||
| false | ||
| } | ||
| res | ||
| } | ||
|
|
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| override def genJoinParameters(): Any = { | ||
| // for ch | ||
| val joinParametersStr = new StringBuffer("JoinParameters:") | ||
| joinParametersStr | ||
| .append("buildHashTableId=") | ||
| .append(buildBroadcastTableId) | ||
| .append("\n") | ||
| val message = StringValue | ||
| .newBuilder() | ||
| .setValue(joinParametersStr.toString) | ||
| .build() | ||
| BackendsApiManager.getTransformerApiInstance.packPBMessage(message) | ||
| } | ||
|
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| override def validateJoinTypeAndBuildSide(): ValidationResult = { | ||
| joinType match { | ||
| case _: InnerLike => | ||
| case _ => | ||
| if (joinType == LeftSemi || condition.isDefined) { | ||
| return ValidationResult.notOk( | ||
| s"Broadcast Nested Loop join is not supported join type $joinType with conditions") | ||
| } | ||
| } | ||
|
|
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| ValidationResult.ok | ||
| } | ||
|
|
||
| } |
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