| /* |
| * 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.drill.exec.planner.physical; |
| |
| import org.apache.calcite.plan.RelOptCluster; |
| import org.apache.calcite.plan.RelTraitSet; |
| import org.apache.calcite.rel.InvalidRelException; |
| import org.apache.calcite.rel.RelNode; |
| import org.apache.calcite.rel.RelWriter; |
| import org.apache.calcite.rel.core.SetOp; |
| import org.apache.calcite.sql.SqlKind; |
| import org.apache.drill.exec.physical.base.PhysicalOperator; |
| import org.apache.drill.exec.planner.physical.visitor.PrelVisitor; |
| import org.apache.drill.exec.record.BatchSchema.SelectionVectorMode; |
| import org.apache.drill.shaded.guava.com.google.common.collect.Lists; |
| |
| import java.io.IOException; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class SetOpPrel extends SetOp implements Prel { |
| |
| public SetOpPrel(RelOptCluster cluster, RelTraitSet traits, List<RelNode> inputs, SqlKind kind, |
| boolean all) throws InvalidRelException { |
| super(cluster, traits, inputs, kind, all); |
| } |
| |
| @Override public RelWriter explainTerms(RelWriter pw) { |
| return super.explainTerms(pw).item("kind", kind); |
| } |
| |
| public SetOpPrel copy(RelTraitSet traitSet, List<RelNode> inputs, boolean all) { |
| try { |
| return new SetOpPrel(this.getCluster(), traitSet, inputs, kind, all); |
| }catch (InvalidRelException e) { |
| throw new AssertionError(e); |
| } |
| } |
| |
| @Override |
| public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException { |
| List<PhysicalOperator> inputPops = Lists.newArrayList(); |
| |
| for (int i = 0; i < this.getInputs().size(); i++) { |
| inputPops.add( ((Prel)this.getInputs().get(i)).getPhysicalOperator(creator)); |
| } |
| |
| org.apache.drill.exec.physical.config.SetOp setOp = new org.apache.drill.exec.physical.config.SetOp(inputPops, kind, all); |
| return creator.addMetadata(this, setOp); |
| } |
| |
| @Override |
| public SelectionVectorMode[] getSupportedEncodings() { |
| return SelectionVectorMode.DEFAULT; |
| } |
| |
| @Override |
| public SelectionVectorMode getEncoding() { |
| return SelectionVectorMode.NONE; |
| } |
| |
| @Override |
| public <T, X, E extends Throwable> T accept(PrelVisitor<T, X, E> logicalVisitor, X value) throws E { |
| return logicalVisitor.visitPrel(this, value); |
| } |
| |
| @Override |
| public Iterator<Prel> iterator() { |
| return PrelUtil.iter(this.getInputs()); |
| } |
| |
| @Override |
| public boolean needsFinalColumnReordering() { |
| return false; |
| } |
| } |