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...khouse/src/main/scala/org/apache/gluten/execution/CHWindowGroupLimitExecTransformer.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.exception.GlutenNotSupportException | ||
| import org.apache.gluten.expression._ | ||
| import org.apache.gluten.expression.{ConverterUtils, ExpressionConverter} | ||
| import org.apache.gluten.extension.ValidationResult | ||
| 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 | ||
| import org.apache.gluten.substrait.rel.{RelBuilder, RelNode} | ||
|
|
||
| import org.apache.spark.sql.catalyst.expressions._ | ||
| import org.apache.spark.sql.catalyst.plans.physical.{AllTuples, ClusteredDistribution, Distribution, Partitioning} | ||
| import org.apache.spark.sql.execution.SparkPlan | ||
| import org.apache.spark.sql.execution.window.{Final, Partial, WindowGroupLimitMode} | ||
|
|
||
| import com.google.protobuf.StringValue | ||
| import io.substrait.proto.SortField | ||
|
|
||
| import scala.collection.JavaConverters._ | ||
|
|
||
| case class CHWindowGroupLimitExecTransformer( | ||
| partitionSpec: Seq[Expression], | ||
| orderSpec: Seq[SortOrder], | ||
| rankLikeFunction: Expression, | ||
| limit: Int, | ||
| mode: WindowGroupLimitMode, | ||
| child: SparkPlan) | ||
| extends UnaryTransformSupport { | ||
|
|
||
| @transient override lazy val metrics = | ||
| BackendsApiManager.getMetricsApiInstance.genWindowTransformerMetrics(sparkContext) | ||
|
|
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| override protected def withNewChildInternal(newChild: SparkPlan): SparkPlan = | ||
| copy(child = newChild) | ||
|
|
||
| override def metricsUpdater(): MetricsUpdater = | ||
| BackendsApiManager.getMetricsApiInstance.genWindowTransformerMetricsUpdater(metrics) | ||
|
|
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| override def output: Seq[Attribute] = child.output | ||
|
|
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| override def requiredChildDistribution: Seq[Distribution] = mode match { | ||
| case Partial => super.requiredChildDistribution | ||
| case Final => | ||
| if (partitionSpec.isEmpty) { | ||
| AllTuples :: Nil | ||
| } else { | ||
| ClusteredDistribution(partitionSpec) :: Nil | ||
| } | ||
| } | ||
|
|
||
| override def requiredChildOrdering: Seq[Seq[SortOrder]] = { | ||
| if (BackendsApiManager.getSettings.requiredChildOrderingForWindowGroupLimit()) { | ||
| Seq(partitionSpec.map(SortOrder(_, Ascending)) ++ orderSpec) | ||
| } else { | ||
| Seq(Nil) | ||
| } | ||
| } | ||
|
|
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| override def outputOrdering: Seq[SortOrder] = { | ||
| if (requiredChildOrdering.forall(_.isEmpty)) { | ||
| // The Velox backend `TopNRowNumber` does not require child ordering, because it | ||
| // uses hash table to store partition and use priority queue to track of top limit rows. | ||
| // Ideally, the output of `TopNRowNumber` is unordered but it is grouped for partition keys. | ||
| // To be safe, here we do not propagate the ordering. | ||
| // TODO: Make the framework aware of grouped data distribution | ||
| Nil | ||
| } else { | ||
| child.outputOrdering | ||
| } | ||
| } | ||
|
|
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| override def outputPartitioning: Partitioning = child.outputPartitioning | ||
|
|
||
| def getWindowGroupLimitRel( | ||
| context: SubstraitContext, | ||
| originalInputAttributes: Seq[Attribute], | ||
| operatorId: Long, | ||
| input: RelNode, | ||
| validation: Boolean): RelNode = { | ||
| val args = context.registeredFunction | ||
| // Partition By Expressions | ||
| val partitionsExpressions = partitionSpec | ||
| .map( | ||
| ExpressionConverter | ||
| .replaceWithExpressionTransformer(_, attributeSeq = child.output) | ||
| .doTransform(args)) | ||
| .asJava | ||
|
|
||
| // Sort By Expressions | ||
| val sortFieldList = | ||
| orderSpec.map { | ||
| order => | ||
| val builder = SortField.newBuilder() | ||
| val exprNode = ExpressionConverter | ||
| .replaceWithExpressionTransformer(order.child, attributeSeq = child.output) | ||
| .doTransform(args) | ||
| builder.setExpr(exprNode.toProtobuf) | ||
| builder.setDirectionValue(SortExecTransformer.transformSortDirection(order)) | ||
| builder.build() | ||
| }.asJava | ||
| if (!validation) { | ||
| val windowFunction = rankLikeFunction match { | ||
| case _: RowNumber => ExpressionNames.ROW_NUMBER | ||
| case _: Rank => ExpressionNames.RANK | ||
| case _: DenseRank => ExpressionNames.DENSE_RANK | ||
| case _ => throw new GlutenNotSupportException(s"Unknow window function $rankLikeFunction") | ||
| } | ||
| val parametersStr = new StringBuffer("WindowGroupLimitParameters:") | ||
| parametersStr | ||
| .append("window_function=") | ||
| .append(windowFunction) | ||
| .append("\n") | ||
| val message = StringValue.newBuilder().setValue(parametersStr.toString).build() | ||
| val extensionNode = ExtensionBuilder.makeAdvancedExtension( | ||
| BackendsApiManager.getTransformerApiInstance.packPBMessage(message), | ||
| null) | ||
| RelBuilder.makeWindowGroupLimitRel( | ||
| input, | ||
| partitionsExpressions, | ||
| sortFieldList, | ||
| limit, | ||
| extensionNode, | ||
| context, | ||
| operatorId) | ||
| } else { | ||
| // Use a extension node to send the input types through Substrait plan for validation. | ||
| val inputTypeNodeList = originalInputAttributes | ||
| .map(attr => ConverterUtils.getTypeNode(attr.dataType, attr.nullable)) | ||
| .asJava | ||
| val extensionNode = ExtensionBuilder.makeAdvancedExtension( | ||
| BackendsApiManager.getTransformerApiInstance.packPBMessage( | ||
| TypeBuilder.makeStruct(false, inputTypeNodeList).toProtobuf)) | ||
|
|
||
| RelBuilder.makeWindowGroupLimitRel( | ||
| input, | ||
| partitionsExpressions, | ||
| sortFieldList, | ||
| limit, | ||
| extensionNode, | ||
| context, | ||
| operatorId) | ||
| } | ||
| } | ||
|
|
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| override protected def doValidateInternal(): ValidationResult = { | ||
| if (!BackendsApiManager.getSettings.supportWindowGroupLimitExec(rankLikeFunction)) { | ||
| return ValidationResult | ||
| .failed(s"Found unsupported rank like function: $rankLikeFunction") | ||
| } | ||
| val substraitContext = new SubstraitContext | ||
| val operatorId = substraitContext.nextOperatorId(this.nodeName) | ||
|
|
||
| val relNode = | ||
| getWindowGroupLimitRel(substraitContext, child.output, operatorId, null, validation = true) | ||
|
|
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| doNativeValidation(substraitContext, relNode) | ||
| } | ||
|
|
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| override protected def doTransform(context: SubstraitContext): TransformContext = { | ||
| val childCtx = child.asInstanceOf[TransformSupport].transform(context) | ||
| val operatorId = context.nextOperatorId(this.nodeName) | ||
|
|
||
| val currRel = | ||
| getWindowGroupLimitRel(context, child.output, operatorId, childCtx.root, validation = false) | ||
| assert(currRel != null, "Window Group Limit Rel should be valid") | ||
| TransformContext(childCtx.outputAttributes, output, currRel) | ||
| } | ||
| } |
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92 changes: 0 additions & 92 deletions
92
cpp-ch/local-engine/AggregateFunctions/WindowGroupLimitFunctions.cpp
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33 changes: 0 additions & 33 deletions
33
cpp-ch/local-engine/AggregateFunctions/WindowGroupLimitFunctions.h
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