shuai-xu commented on code in PR #9940: URL: https://github.com/apache/incubator-gluten/pull/9940#discussion_r2151170658
########## gluten-flink/planner/src/main/java/org/apache/flink/table/planner/plan/nodes/exec/stream/StreamExecExchange.java: ########## @@ -0,0 +1,193 @@ +/* + * 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.flink.table.planner.plan.nodes.exec.stream; + +import org.apache.gluten.streaming.api.operators.GlutenOperator; +import org.apache.gluten.table.runtime.keyselector.GlutenKeySelector; +import org.apache.gluten.table.runtime.operators.GlutenSingleInputOperator; +import org.apache.gluten.util.LogicalTypeConverter; +import org.apache.gluten.util.PlanNodeIdGenerator; + +import io.github.zhztheplayer.velox4j.plan.EmptyNode; +import io.github.zhztheplayer.velox4j.plan.HashPartitionFunctionSpec; +import io.github.zhztheplayer.velox4j.plan.LocalPartitionNode; +import io.github.zhztheplayer.velox4j.plan.PartitionFunctionSpec; +import io.github.zhztheplayer.velox4j.plan.PlanNode; +import io.github.zhztheplayer.velox4j.plan.StatefulPlanNode; +import io.github.zhztheplayer.velox4j.plan.StreamPartitionNode; + +import org.apache.flink.FlinkVersion; +import org.apache.flink.api.dag.Transformation; +import org.apache.flink.api.java.functions.KeySelector; +import org.apache.flink.configuration.ReadableConfig; +import org.apache.flink.streaming.api.transformations.OneInputTransformation; +import org.apache.flink.streaming.api.transformations.PartitionTransformation; +import org.apache.flink.streaming.runtime.partitioner.GlobalPartitioner; +import org.apache.flink.streaming.runtime.partitioner.GlutenKeyGroupStreamPartitioner; +import org.apache.flink.streaming.runtime.partitioner.StreamPartitioner; +import org.apache.flink.table.api.TableException; +import org.apache.flink.table.data.RowData; +import org.apache.flink.table.planner.delegation.PlannerBase; +import org.apache.flink.table.planner.plan.nodes.exec.ExecEdge; +import org.apache.flink.table.planner.plan.nodes.exec.ExecNode; +import org.apache.flink.table.planner.plan.nodes.exec.ExecNodeConfig; +import org.apache.flink.table.planner.plan.nodes.exec.ExecNodeContext; +import org.apache.flink.table.planner.plan.nodes.exec.ExecNodeMetadata; +import org.apache.flink.table.planner.plan.nodes.exec.InputProperty; +import org.apache.flink.table.planner.plan.nodes.exec.InputProperty.HashDistribution; +import org.apache.flink.table.planner.plan.nodes.exec.common.CommonExecExchange; +import org.apache.flink.table.planner.plan.nodes.exec.utils.ExecNodeUtil; +import org.apache.flink.table.planner.plan.nodes.exec.utils.TransformationMetadata; +import org.apache.flink.table.planner.plan.utils.KeySelectorUtil; +import org.apache.flink.table.runtime.typeutils.InternalTypeInfo; +import org.apache.flink.table.types.logical.RowType; + +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator; +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty; + +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +import static org.apache.flink.runtime.state.KeyGroupRangeAssignment.DEFAULT_LOWER_BOUND_MAX_PARALLELISM; +import static org.apache.flink.util.Preconditions.checkArgument; + +/** + * This {@link ExecNode} represents a change of partitioning of the input elements for stream. + * + * <p>TODO Remove this class once FLINK-21224 is finished. + */ +@ExecNodeMetadata( + name = "stream-exec-exchange", + version = 1, + producedTransformations = StreamExecExchange.EXCHANGE_TRANSFORMATION, + minPlanVersion = FlinkVersion.v1_15, + minStateVersion = FlinkVersion.v1_15) +public class StreamExecExchange extends CommonExecExchange implements StreamExecNode<RowData> { + + public static final String EXCHANGE_TRANSFORMATION = "exchange"; + + public StreamExecExchange( + ReadableConfig tableConfig, + InputProperty inputProperty, + RowType outputType, + String description) { + this( + ExecNodeContext.newNodeId(), + ExecNodeContext.newContext(StreamExecExchange.class), + ExecNodeContext.newPersistedConfig(StreamExecExchange.class, tableConfig), + Collections.singletonList(inputProperty), + outputType, + description); + } + + @JsonCreator + public StreamExecExchange( + @JsonProperty(FIELD_NAME_ID) int id, + @JsonProperty(FIELD_NAME_TYPE) ExecNodeContext context, + @JsonProperty(FIELD_NAME_CONFIGURATION) ReadableConfig persistedConfig, + @JsonProperty(FIELD_NAME_INPUT_PROPERTIES) List<InputProperty> inputProperties, + @JsonProperty(FIELD_NAME_OUTPUT_TYPE) RowType outputType, + @JsonProperty(FIELD_NAME_DESCRIPTION) String description) { + super(id, context, persistedConfig, inputProperties, outputType, description); + checkArgument(inputProperties.size() == 1); + } + + @SuppressWarnings("unchecked") + @Override + protected Transformation<RowData> translateToPlanInternal( + PlannerBase planner, ExecNodeConfig config) { + Transformation<RowData> inputTransform = + (Transformation<RowData>) getInputEdges().get(0).translateToPlan(planner); + + final StreamPartitioner partitioner; + final int parallelism; + final InputProperty inputProperty = getInputProperties().get(0); + final InputProperty.DistributionType distributionType = + inputProperty.getRequiredDistribution().getType(); + switch (distributionType) { + case SINGLETON: + partitioner = new GlobalPartitioner<>(); + parallelism = 1; + break; + case HASH: + // TODO Eliminate duplicate keys + int[] keys = ((HashDistribution) inputProperty.getRequiredDistribution()).getKeys(); + InternalTypeInfo<RowData> inputType = + (InternalTypeInfo<RowData>) inputTransform.getOutputType(); + KeySelector keySelector = + KeySelectorUtil.getRowDataSelector( + planner.getFlinkContext().getClassLoader(), keys, inputType); + // --- Begin Gluten-specific code changes --- + parallelism = inputTransform.getParallelism(); + if (inputTransform instanceof OneInputTransformation) { + OneInputTransformation oneInputTransform = (OneInputTransformation) inputTransform; + if (oneInputTransform.getOperator() instanceof GlutenOperator) { + keySelector = new GlutenKeySelector(); + final ExecEdge inputEdge = getInputEdges().get(0); + io.github.zhztheplayer.velox4j.type.RowType glutenInputType = + (io.github.zhztheplayer.velox4j.type.RowType) + LogicalTypeConverter.toVLType(inputEdge.getOutputType()); + io.github.zhztheplayer.velox4j.type.RowType outputType = + (io.github.zhztheplayer.velox4j.type.RowType) + LogicalTypeConverter.toVLType(getOutputType()); + String id = PlanNodeIdGenerator.newId(); + List<Integer> keyIndexes = Arrays.stream(keys).boxed().collect(Collectors.toList()); + PartitionFunctionSpec partitionFunctionSpec = + new HashPartitionFunctionSpec(glutenInputType, keyIndexes); + PlanNode localPartition = + new LocalPartitionNode( + id, + List.of(new EmptyNode(outputType)), + "REPARTITION", + false, + partitionFunctionSpec); + PlanNode exchange = new StreamPartitionNode(id, localPartition, parallelism); + final GlutenSingleInputOperator exchangeKeyGenerator = + new GlutenSingleInputOperator( + new StatefulPlanNode(id, exchange), + id, + glutenInputType, + Map.of(id, outputType)); + inputTransform = + ExecNodeUtil.createOneInputTransformation( + inputTransform, + new TransformationMetadata("exchange-hash", "Gluten exchange hash"), + exchangeKeyGenerator, + inputTransform.getOutputType(), + parallelism, + false); + } + } + partitioner = + new GlutenKeyGroupStreamPartitioner(keySelector, DEFAULT_LOWER_BOUND_MAX_PARALLELISM); Review Comment: We can not promise fallback everywhere correctly now. But here it does can fallbck. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
