001/*
002 * Copyright 2002-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.jdbc.core.metadata;
018
019import java.sql.DatabaseMetaData;
020import java.sql.SQLException;
021
022/**
023 * The HSQL specific implementation of {@link TableMetaDataProvider}.
024 * Supports a feature for retrieving generated keys without the JDBC 3.0
025 * {@code getGeneratedKeys} support.
026 *
027 * @author Thomas Risberg
028 * @since 2.5
029 */
030public class HsqlTableMetaDataProvider extends GenericTableMetaDataProvider {
031
032        public HsqlTableMetaDataProvider(DatabaseMetaData databaseMetaData) throws SQLException {
033                super(databaseMetaData);
034        }
035
036
037        @Override
038        public boolean isGetGeneratedKeysSimulated() {
039                return true;
040        }
041
042        @Override
043        public String getSimpleQueryForGetGeneratedKey(String tableName, String keyColumnName) {
044                return "select max(identity()) from " + tableName;
045        }
046
047}