| /* |
| * 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.physical.base; |
| |
| import java.util.List; |
| |
| import org.apache.drill.common.expression.FieldReference; |
| import org.apache.drill.common.expression.SchemaPath; |
| import org.apache.drill.common.logical.StoragePluginConfig; |
| import org.apache.calcite.rel.RelNode; |
| import org.apache.drill.exec.planner.index.IndexCollection; |
| import org.apache.drill.exec.planner.cost.PluginCost; |
| import org.apache.drill.exec.planner.physical.PartitionFunction; |
| import org.apache.drill.exec.store.AbstractStoragePlugin; |
| |
| public abstract class AbstractDbGroupScan extends AbstractGroupScan implements DbGroupScan { |
| |
| private static final String ROW_KEY = "_id"; |
| private static final SchemaPath ROW_KEY_PATH = SchemaPath.getSimplePath(ROW_KEY); |
| |
| public AbstractDbGroupScan(String userName) { |
| super(userName); |
| } |
| |
| public AbstractDbGroupScan(AbstractDbGroupScan that) { |
| super(that); |
| } |
| |
| public abstract AbstractStoragePlugin getStoragePlugin(); |
| |
| public abstract StoragePluginConfig getStorageConfig(); |
| |
| @Override |
| public boolean supportsSecondaryIndex() { |
| return false; |
| } |
| |
| @Override |
| public IndexCollection getSecondaryIndexCollection(RelNode scanrel) { |
| return null; |
| } |
| |
| @Override |
| public boolean supportsRestrictedScan() { |
| return false; |
| } |
| |
| @Override |
| public boolean isRestrictedScan() { |
| return false; |
| } |
| |
| @Override |
| public DbGroupScan getRestrictedScan(List<SchemaPath> columns) { |
| return null; |
| } |
| |
| @Override |
| public String getRowKeyName() { |
| return ROW_KEY; |
| } |
| |
| @Override |
| public SchemaPath getRowKeyPath() { |
| return ROW_KEY_PATH; |
| } |
| |
| @Override |
| public PartitionFunction getRangePartitionFunction(List<FieldReference> refList) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public PluginCost getPluginCostModel() { |
| return null; |
| } |
| } |