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[FLINK-21808][table-planner-blink] Add RelNode for SORT/DISTRIBUTE/CL…
…USTER BY This closes apache#15253
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87 changes: 87 additions & 0 deletions
87
...ink/src/main/java/org/apache/flink/table/planner/plan/nodes/hive/LogicalDistribution.java
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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. | ||
| */ | ||
|
|
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| package org.apache.flink.table.planner.plan.nodes.hive; | ||
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| import org.apache.calcite.plan.Convention; | ||
| import org.apache.calcite.plan.RelOptCluster; | ||
| import org.apache.calcite.plan.RelTraitSet; | ||
| import org.apache.calcite.rel.RelCollation; | ||
| import org.apache.calcite.rel.RelCollationTraitDef; | ||
| import org.apache.calcite.rel.RelNode; | ||
| import org.apache.calcite.rel.RelShuttle; | ||
| import org.apache.calcite.rel.RelWriter; | ||
| import org.apache.calcite.rel.SingleRel; | ||
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| import java.util.List; | ||
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| /** | ||
| * LogicalDistribution is used to represent the expected distribution of the data, similar to Hive's | ||
| * SORT BY, DISTRIBUTE BY, and CLUSTER BY semantics. | ||
| */ | ||
| public class LogicalDistribution extends SingleRel { | ||
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| // distribution keys | ||
| private final List<Integer> distKeys; | ||
| // sort collation | ||
| private final RelCollation collation; | ||
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| private LogicalDistribution( | ||
| RelOptCluster cluster, | ||
| RelTraitSet traits, | ||
| RelNode child, | ||
| RelCollation collation, | ||
| List<Integer> distKeys) { | ||
| super(cluster, traits, child); | ||
| this.distKeys = distKeys; | ||
| this.collation = collation; | ||
| } | ||
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| public static LogicalDistribution create( | ||
| RelNode input, RelCollation collation, List<Integer> distKeys) { | ||
| RelOptCluster cluster = input.getCluster(); | ||
| collation = RelCollationTraitDef.INSTANCE.canonize(collation); | ||
| RelTraitSet traitSet = input.getTraitSet().replace(Convention.NONE).replace(collation); | ||
| return new LogicalDistribution(cluster, traitSet, input, collation, distKeys); | ||
| } | ||
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| public List<Integer> getDistKeys() { | ||
| return distKeys; | ||
| } | ||
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| public RelCollation getCollation() { | ||
| return collation; | ||
| } | ||
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| @Override | ||
| public LogicalDistribution copy(RelTraitSet traitSet, List<RelNode> inputs) { | ||
| return new LogicalDistribution(getCluster(), traitSet, inputs.get(0), collation, distKeys); | ||
| } | ||
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| @Override | ||
| public RelNode accept(RelShuttle shuttle) { | ||
| return shuttle.visit(this); | ||
| } | ||
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| @Override | ||
| public RelWriter explainTerms(RelWriter pw) { | ||
| super.explainTerms(pw); | ||
| pw.item("collation", collation); | ||
| pw.item("dist", distKeys); | ||
| return pw; | ||
| } | ||
| } |
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80 changes: 80 additions & 0 deletions
80
...in/scala/org/apache/flink/table/planner/plan/nodes/logical/FlinkLogicalDistribution.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. | ||
| */ | ||
|
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| package org.apache.flink.table.planner.plan.nodes.logical | ||
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| import org.apache.calcite.plan.{Convention, RelOptCluster, RelOptRule, RelTraitSet} | ||
| import org.apache.calcite.rel.{RelCollation, RelCollationTraitDef, RelNode, SingleRel} | ||
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| import java.util.{List => JList} | ||
| import org.apache.calcite.rel.convert.ConverterRule | ||
| import org.apache.flink.table.planner.plan.`trait`.FlinkRelDistribution | ||
| import org.apache.flink.table.planner.plan.nodes.FlinkConventions | ||
| import org.apache.flink.table.planner.plan.nodes.hive.LogicalDistribution | ||
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| /** | ||
| * A FlinkLogicalRel to represent Hive's SORT BY, DISTRIBUTE BY, and CLUSTER BY semantics. | ||
| */ | ||
| class FlinkLogicalDistribution( | ||
| cluster: RelOptCluster, | ||
| traits: RelTraitSet, | ||
| child: RelNode, | ||
| val collation: RelCollation, | ||
| val distKeys: JList[Integer]) | ||
| extends SingleRel(cluster, traits, child) | ||
| with FlinkLogicalRel { | ||
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| override def copy(traitSet: RelTraitSet, inputs: JList[RelNode]): RelNode = | ||
| new FlinkLogicalDistribution(getCluster, traitSet, inputs.get(0), collation, distKeys) | ||
| } | ||
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| class FlinkLogicalDistributionBatchConverter extends ConverterRule( | ||
| classOf[LogicalDistribution], | ||
| Convention.NONE, | ||
| FlinkConventions.LOGICAL, | ||
| "FlinkLogicalDistributionBatchConverter") { | ||
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| override def convert(rel: RelNode): RelNode = { | ||
| val distribution = rel.asInstanceOf[LogicalDistribution] | ||
| val newInput = RelOptRule.convert(distribution.getInput, FlinkConventions.LOGICAL) | ||
| FlinkLogicalDistribution.create( | ||
| newInput, distribution.getCollation, distribution.getDistKeys) | ||
| } | ||
| } | ||
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| object FlinkLogicalDistribution { | ||
| val BATCH_CONVERTER: RelOptRule = new FlinkLogicalDistributionBatchConverter | ||
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| def create( | ||
| input: RelNode, | ||
| collation: RelCollation, | ||
| distKeys: JList[Integer]): FlinkLogicalDistribution = { | ||
| val cluster = input.getCluster | ||
| val collationTrait = RelCollationTraitDef.INSTANCE.canonize(collation) | ||
| val traitSet = if (distKeys.isEmpty) { | ||
| cluster.traitSetOf(FlinkConventions.LOGICAL) | ||
| .replace(collationTrait) | ||
| .replace(FlinkRelDistribution.ANY) | ||
| } else { | ||
| cluster.traitSetOf(FlinkConventions.LOGICAL) | ||
| .replace(collationTrait) | ||
| .replace(FlinkRelDistribution.hash(distKeys)) | ||
| } | ||
| new FlinkLogicalDistribution(cluster, traitSet, input, collation, distKeys) | ||
| } | ||
| } |
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66 changes: 66 additions & 0 deletions
66
.../apache/flink/table/planner/plan/rules/physical/batch/BatchPhysicalDistributionRule.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.flink.table.planner.plan.rules.physical.batch | ||
|
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| import org.apache.calcite.plan.RelOptRule | ||
| import org.apache.calcite.rel.RelNode | ||
| import org.apache.calcite.rel.convert.ConverterRule | ||
| import org.apache.flink.table.planner.plan.`trait`.FlinkRelDistributionTraitDef | ||
| import org.apache.flink.table.planner.plan.nodes.FlinkConventions | ||
| import org.apache.flink.table.planner.plan.nodes.exec.batch.BatchExecSort | ||
| import org.apache.flink.table.planner.plan.nodes.logical.FlinkLogicalDistribution | ||
| import org.apache.flink.table.planner.plan.nodes.physical.batch.BatchPhysicalSort | ||
|
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| /** | ||
| * Rule that matches [[FlinkLogicalDistribution]]. | ||
| */ | ||
| class BatchPhysicalDistributionRule extends ConverterRule( | ||
| classOf[FlinkLogicalDistribution], | ||
| FlinkConventions.LOGICAL, | ||
| FlinkConventions.BATCH_PHYSICAL, | ||
| "BatchExecDistributionRule") { | ||
|
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| override def convert(rel: RelNode): RelNode = { | ||
| val logicalDistribution = rel.asInstanceOf[FlinkLogicalDistribution] | ||
| val distribution = logicalDistribution.getTraitSet.getTrait( | ||
| FlinkRelDistributionTraitDef.INSTANCE) | ||
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| val input = logicalDistribution.getInput | ||
| val requiredTraitSet = input.getTraitSet | ||
| .replace(distribution) | ||
| .replace(FlinkConventions.BATCH_PHYSICAL) | ||
| val newInput = RelOptRule.convert(input, requiredTraitSet) | ||
| if (logicalDistribution.collation.getFieldCollations.isEmpty) { | ||
| newInput | ||
| } else { | ||
| val providedTraitSet = logicalDistribution.getTraitSet.replace( | ||
| FlinkConventions.BATCH_PHYSICAL) | ||
| new BatchPhysicalSort( | ||
| logicalDistribution.getCluster, | ||
| providedTraitSet, | ||
| newInput, | ||
| logicalDistribution.collation) | ||
| } | ||
| } | ||
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| } | ||
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| object BatchPhysicalDistributionRule { | ||
| val INSTANCE: RelOptRule = new BatchPhysicalDistributionRule | ||
| } |