| /* |
| * 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.BiRel; |
| import org.apache.calcite.rel.RelNode; |
| import org.apache.calcite.rel.type.RelDataType; |
| import org.apache.calcite.rel.type.RelDataTypeFactory; |
| import org.apache.calcite.sql.type.SqlTypeName; |
| import org.apache.drill.exec.metastore.analyze.MetastoreAnalyzeConstants; |
| import org.apache.drill.exec.physical.base.PhysicalOperator; |
| import org.apache.drill.exec.physical.config.MetadataControllerPOP; |
| import org.apache.drill.exec.planner.common.DrillRelNode; |
| import org.apache.drill.exec.planner.physical.visitor.PrelVisitor; |
| import org.apache.drill.exec.metastore.analyze.MetadataControllerContext; |
| import org.apache.drill.exec.record.BatchSchema; |
| import org.apache.drill.shaded.guava.com.google.common.base.Preconditions; |
| |
| import java.io.IOException; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class MetadataControllerPrel extends BiRel implements DrillRelNode, Prel { |
| private final MetadataControllerContext context; |
| |
| protected MetadataControllerPrel(RelOptCluster cluster, RelTraitSet traits, RelNode left, |
| RelNode right, MetadataControllerContext context) { |
| super(cluster, traits, left, right); |
| this.context = context; |
| } |
| |
| @Override |
| public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException { |
| Prel left = (Prel) this.getLeft(); |
| Prel right = (Prel) this.getRight(); |
| MetadataControllerPOP physicalOperator = |
| new MetadataControllerPOP(left.getPhysicalOperator(creator), right.getPhysicalOperator(creator), context); |
| return creator.addMetadata(this, physicalOperator); |
| } |
| |
| @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 BatchSchema.SelectionVectorMode[] getSupportedEncodings() { |
| return BatchSchema.SelectionVectorMode.ALL; |
| } |
| |
| @Override |
| public BatchSchema.SelectionVectorMode getEncoding() { |
| return BatchSchema.SelectionVectorMode.NONE; |
| } |
| |
| @Override |
| public RelNode copy(RelTraitSet traitSet, List<RelNode> inputs) { |
| Preconditions.checkArgument(inputs.size() == 2); |
| return new MetadataControllerPrel(getCluster(), traitSet, inputs.get(0), inputs.get(1), context); |
| } |
| |
| @Override |
| public boolean needsFinalColumnReordering() { |
| return true; |
| } |
| |
| @Override |
| public Iterator<Prel> iterator() { |
| return PrelUtil.iter(getLeft(), getRight()); |
| } |
| |
| @Override |
| protected RelDataType deriveRowType() { |
| return new RelDataTypeFactory.Builder(getCluster().getTypeFactory()) |
| .add(MetastoreAnalyzeConstants.OK_FIELD_NAME, SqlTypeName.BOOLEAN) |
| .add(MetastoreAnalyzeConstants.SUMMARY_FIELD_NAME, SqlTypeName.VARCHAR) |
| .build(); |
| } |
| } |