/* * Copyright 2002-2018 the original author or authors. * * Licensed 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.springframework.jdbc.core.metadata; import java.sql.DatabaseMetaData; import java.sql.SQLException; /** * The Derby specific implementation of {@link TableMetaDataProvider}. * Overrides the Derby meta-data info regarding retrieving generated keys. * * @author Thomas Risberg * @since 3.0 */ public class DerbyTableMetaDataProvider extends GenericTableMetaDataProvider { private boolean supportsGeneratedKeysOverride = false; public DerbyTableMetaDataProvider(DatabaseMetaData databaseMetaData) throws SQLException { super(databaseMetaData); } @Override public void initializeWithMetaData(DatabaseMetaData databaseMetaData) throws SQLException { super.initializeWithMetaData(databaseMetaData); if (!databaseMetaData.supportsGetGeneratedKeys()) { if (logger.isInfoEnabled()) { logger.info("Overriding supportsGetGeneratedKeys from DatabaseMetaData to 'true'; it was reported as " + "'false' by " + databaseMetaData.getDriverName() + " " + databaseMetaData.getDriverVersion()); } this.supportsGeneratedKeysOverride = true; } } @Override public boolean isGetGeneratedKeysSupported() { return (super.isGetGeneratedKeysSupported() || this.supportsGeneratedKeysOverride); } }