| /* |
| * 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.phoenix.compile; |
| |
| import java.sql.SQLException; |
| import java.util.Collections; |
| |
| import org.apache.phoenix.execute.MutationState; |
| import org.apache.phoenix.jdbc.PhoenixConnection; |
| import org.apache.phoenix.jdbc.PhoenixStatement; |
| import org.apache.phoenix.parse.CreateFunctionStatement; |
| import org.apache.phoenix.schema.MetaDataClient; |
| |
| public class CreateFunctionCompiler { |
| |
| private final PhoenixStatement statement; |
| |
| public CreateFunctionCompiler(PhoenixStatement statement) { |
| this.statement = statement; |
| } |
| |
| public MutationPlan compile(final CreateFunctionStatement create) throws SQLException { |
| final PhoenixConnection connection = statement.getConnection(); |
| PhoenixConnection connectionToBe = connection; |
| final StatementContext context = new StatementContext(statement); |
| final MetaDataClient client = new MetaDataClient(connectionToBe); |
| |
| return new BaseMutationPlan(context, create.getOperation()) { |
| |
| @Override |
| public MutationState execute() throws SQLException { |
| try { |
| return client.createFunction(create); |
| } finally { |
| if (client.getConnection() != connection) { |
| client.getConnection().close(); |
| } |
| } |
| } |
| |
| @Override |
| public ExplainPlan getExplainPlan() throws SQLException { |
| return new ExplainPlan(Collections.singletonList("CREATE" |
| + (create.getFunctionInfo().isReplace() ? " OR REPLACE" : "") |
| + " FUNCTION")); |
| } |
| |
| @Override |
| public StatementContext getContext() { |
| return context; |
| } |
| }; |
| } |
| } |