org.springframework.jdbc.core.metadata.DerbyTableMetaDataProvider Maven / Gradle / Ivy
/*
* Copyright 2002-2007 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 the {@link org.springframework.jdbc.core.metadata.TableMetaDataProvider}.
* Overrides the Derby metadata info regarding retreiving generated keys. It seems to work OK so not sure why they
* claim it's not supported.
*
* @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()) {
logger.warn("Overriding supportsGetGeneratedKeys from DatabaseMetaData to 'true'; it was reported as " +
"'false' by " + databaseMetaData.getDriverName() + " " + databaseMetaData.getDriverVersion());
supportsGeneratedKeysOverride = true;
}
}
@Override
public boolean isGetGeneratedKeysSupported() {
boolean derbysAnswer = super.isGetGeneratedKeysSupported();
if (!derbysAnswer) {
return supportsGeneratedKeysOverride;
}
return derbysAnswer;
}
}