| /* |
| * 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.RelOptCost; |
| import org.apache.calcite.plan.RelOptPlanner; |
| import org.apache.calcite.plan.RelOptTable; |
| import org.apache.calcite.plan.RelTraitSet; |
| import org.apache.calcite.prepare.CalciteCatalogReader; |
| import org.apache.calcite.prepare.Prepare; |
| import org.apache.calcite.rel.RelNode; |
| import org.apache.calcite.rel.core.TableModify; |
| import org.apache.calcite.rel.metadata.RelMetadataQuery; |
| import org.apache.calcite.rex.RexNode; |
| import org.apache.calcite.schema.SchemaPlus; |
| import org.apache.drill.exec.physical.base.PhysicalOperator; |
| import org.apache.drill.exec.planner.logical.ModifyTableEntry; |
| import org.apache.drill.exec.planner.physical.visitor.PrelVisitor; |
| import org.apache.drill.exec.planner.sql.SchemaUtilities; |
| import org.apache.drill.exec.record.BatchSchema; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class TableModifyPrel extends TableModify implements Prel { |
| |
| protected TableModifyPrel(RelOptCluster cluster, RelTraitSet traitSet, RelOptTable table, |
| Prepare.CatalogReader catalogReader, RelNode input, Operation operation, |
| List<String> updateColumnList, List<RexNode> sourceExpressionList, boolean flattened) { |
| super(cluster, traitSet, table, catalogReader, input, operation, updateColumnList, |
| sourceExpressionList, flattened); |
| } |
| |
| @Override |
| public RelNode copy(RelTraitSet traitSet, List<RelNode> inputs) { |
| return new TableModifyPrel(getCluster(), traitSet, getTable(), getCatalogReader(), |
| inputs.get(0), getOperation(), getUpdateColumnList(), getSourceExpressionList(), isFlattened()); |
| } |
| |
| @Override |
| public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException { |
| Prel child = (Prel) this.getInput(); |
| |
| List<String> tablePath = getTable().getQualifiedName(); |
| List<String> schemaPath = tablePath.size() > 1 |
| ? tablePath.subList(0, tablePath.size() - 1) |
| : Collections.emptyList(); |
| String tableName = tablePath.get(tablePath.size() - 1); |
| SchemaPlus schema = ((CalciteCatalogReader) getTable().getRelOptSchema()).getRootSchema().plus(); |
| |
| ModifyTableEntry modifyTableEntry = SchemaUtilities.resolveToDrillSchema(schema, schemaPath) |
| .modifyTable(tableName); |
| |
| PhysicalOperator childPOP = child.getPhysicalOperator(creator); |
| |
| PhysicalOperator p = modifyTableEntry.getWriter(childPOP); |
| return creator.addMetadata(this, p); |
| } |
| |
| @Override |
| public <T, X, E extends Throwable> T accept(PrelVisitor<T, X, E> logicalVisitor, X value) throws E { |
| return logicalVisitor.visitTableModify(this, value); |
| } |
| |
| @Override |
| public BatchSchema.SelectionVectorMode[] getSupportedEncodings() { |
| return BatchSchema.SelectionVectorMode.DEFAULT; |
| } |
| |
| @Override |
| public BatchSchema.SelectionVectorMode getEncoding() { |
| return BatchSchema.SelectionVectorMode.NONE; |
| } |
| |
| @Override |
| public boolean needsFinalColumnReordering() { |
| return false; |
| } |
| |
| @NotNull |
| @Override |
| public Iterator<Prel> iterator() { |
| return PrelUtil.iter(getInput()); |
| } |
| |
| @Override |
| public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) { |
| double rowCount = mq.getRowCount(this); |
| double inputRowCount = mq.getRowCount(getInput()); |
| double dIo = inputRowCount + 1; // ensure non-zero cost |
| return planner.getCostFactory().makeCost(rowCount, 0, dIo).multiplyBy(10); |
| } |
| } |