org.hibernate.dialect.MySQL5Dialect Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.dialect;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.exception.spi.TemplatedViolatedConstraintNameExtracter;
import org.hibernate.exception.spi.ViolatedConstraintNameExtracter;
import org.hibernate.internal.util.JdbcExceptionHelper;
/**
* An SQL dialect for MySQL 5.x specific features.
*
* @author Steve Ebersole
*/
public class MySQL5Dialect extends MySQLDialect {
@Override
protected void registerVarcharTypes() {
registerColumnType( Types.VARCHAR, "longtext" );
// registerColumnType( Types.VARCHAR, 16777215, "mediumtext" );
registerColumnType( Types.VARCHAR, 65535, "varchar($l)" );
registerColumnType( Types.LONGVARCHAR, "longtext" );
}
@Override
public boolean supportsColumnCheck() {
return false;
}
public ViolatedConstraintNameExtracter getViolatedConstraintNameExtracter() {
return EXTRACTER;
}
private static final ViolatedConstraintNameExtracter EXTRACTER = new TemplatedViolatedConstraintNameExtracter() {
public String extractConstraintName(SQLException sqle) {
try {
final int sqlState = Integer.valueOf( JdbcExceptionHelper.extractSqlState( sqle ) ).intValue();
switch ( sqlState ) {
case 23000:
return extractUsingTemplate( " for key '", "'", sqle.getMessage() );
default:
return null;
}
}
catch ( NumberFormatException nfe ) {
return null;
}
}
};
}