org.appng.persistence.dialect.MySqlTextDialect Maven / Gradle / Ivy
/*
* Copyright 2011-2017 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.appng.persistence.dialect;
import java.sql.Types;
import org.hibernate.HibernateException;
import org.hibernate.dialect.MySQL5Dialect;
/**
* A {@link MySQL5Dialect} which converts varchar-fields with a length of >=1024 to mysql-type 'text'
*
* @author Matthias Müller
*
*/
public class MySqlTextDialect extends MySQL5Dialect {
private static final String TEXT_TYPE = "text";
private static final long MAX_LENGTH = 1024;
@Override
public String getTypeName(int code, long length, int precision, int scale) throws HibernateException {
if (Types.VARCHAR == code && length >= MAX_LENGTH) {
return TEXT_TYPE;
}
return super.getTypeName(code, length, precision, scale);
}
}