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 PostgreSQL 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 PostgresTableMetaDataProvider extends GenericTableMetaDataProvider { 031 032 public PostgresTableMetaDataProvider(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 "RETURNING " + keyColumnName; 045 } 046 047}