| /* |
| * 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.plan.nodes.logical |
| |
| import org.apache.calcite.plan.{Convention, RelOptCluster, RelOptRule, RelTraitSet} |
| import org.apache.calcite.rel.RelNode |
| import org.apache.calcite.rel.convert.ConverterRule |
| import org.apache.calcite.rel.core.{Correlate, CorrelationId} |
| import org.apache.calcite.rel.logical.LogicalCorrelate |
| import org.apache.calcite.sql.SemiJoinType |
| import org.apache.calcite.util.ImmutableBitSet |
| import org.apache.flink.table.plan.nodes.FlinkConventions |
| |
| class FlinkLogicalCorrelate( |
| cluster: RelOptCluster, |
| traitSet: RelTraitSet, |
| left: RelNode, |
| right: RelNode, |
| correlationId: CorrelationId, |
| requiredColumns: ImmutableBitSet, |
| joinType: SemiJoinType) |
| extends Correlate(cluster, traitSet, left, right, correlationId, requiredColumns, joinType) |
| with FlinkLogicalRel { |
| |
| override def copy( |
| traitSet: RelTraitSet, |
| left: RelNode, |
| right: RelNode, |
| correlationId: CorrelationId, |
| requiredColumns: ImmutableBitSet, |
| joinType: SemiJoinType): Correlate = { |
| |
| new FlinkLogicalCorrelate( |
| cluster, |
| traitSet, |
| left, |
| right, |
| correlationId, |
| requiredColumns, |
| joinType) |
| } |
| } |
| |
| class FlinkLogicalCorrelateConverter |
| extends ConverterRule( |
| classOf[LogicalCorrelate], |
| Convention.NONE, |
| FlinkConventions.LOGICAL, |
| "FlinkLogicalCorrelateConverter") { |
| |
| override def convert(rel: RelNode): RelNode = { |
| val correlate = rel.asInstanceOf[LogicalCorrelate] |
| val traitSet = rel.getTraitSet.replace(FlinkConventions.LOGICAL) |
| val newLeft = RelOptRule.convert(correlate.getLeft, FlinkConventions.LOGICAL) |
| val newRight = RelOptRule.convert(correlate.getRight, FlinkConventions.LOGICAL) |
| |
| new FlinkLogicalCorrelate( |
| rel.getCluster, |
| traitSet, |
| newLeft, |
| newRight, |
| correlate.getCorrelationId, |
| correlate.getRequiredColumns, |
| correlate.getJoinType) |
| } |
| } |
| |
| object FlinkLogicalCorrelate { |
| val CONVERTER: ConverterRule = new FlinkLogicalCorrelateConverter() |
| } |