| /* |
| * 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.logical; |
| |
| import org.apache.calcite.config.CalciteConnectionConfig; |
| import org.apache.calcite.plan.RelOptTable; |
| import org.apache.calcite.plan.RelOptTable.ToRelContext; |
| import org.apache.calcite.rel.RelNode; |
| import org.apache.calcite.rel.type.RelDataType; |
| import org.apache.calcite.rel.type.RelDataTypeFactory; |
| import org.apache.calcite.schema.Statistic; |
| import org.apache.calcite.schema.TranslatableTable; |
| import org.apache.calcite.schema.Schema.TableType; |
| import org.apache.calcite.sql.SqlCall; |
| import org.apache.calcite.sql.SqlNode; |
| |
| /** |
| * TableMacros must return a TranslatableTable |
| * This class adapts the existing DrillTable to a TranslatableTable |
| */ |
| public class DrillTranslatableTable implements TranslatableTable { |
| |
| /** all calls will be delegated to this field */ |
| private final DrillTable drillTable; |
| |
| public DrillTranslatableTable(DrillTable drillTable) { |
| this.drillTable = drillTable; |
| } |
| |
| public DrillTable getDrillTable() { |
| return drillTable; |
| } |
| |
| @Override |
| public RelDataType getRowType(RelDataTypeFactory typeFactory) { |
| return drillTable.getRowType(typeFactory); |
| } |
| |
| @Override |
| public Statistic getStatistic() { |
| return drillTable.getStatistic(); |
| } |
| |
| @Override |
| public RelNode toRel(ToRelContext context, RelOptTable table) { |
| return drillTable.toRel(context, table); |
| } |
| |
| @Override |
| public TableType getJdbcTableType() { |
| return drillTable.getJdbcTableType(); |
| } |
| |
| @Override |
| public boolean rolledUpColumnValidInsideAgg(String column, |
| SqlCall call, SqlNode parent, CalciteConnectionConfig config) { |
| return true; |
| } |
| |
| @Override |
| public boolean isRolledUp(String column) { |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return drillTable.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| return drillTable.equals(obj); |
| } |
| |
| @Override |
| public String toString() { |
| return drillTable.toString(); |
| } |
| } |