de.tudarmstadt.ukp.lmf.hibernate.UBYMySQLDialect.java Source code

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/*******************************************************************************
 * Copyright 2015
 * Ubiquitous Knowledge Processing (UKP) Lab
 * Technische Universitt Darmstadt
 * 
 * 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 de.tudarmstadt.ukp.lmf.hibernate;

import org.hibernate.HibernateException;
import org.hibernate.dialect.MySQL5InnoDBDialect;

/**
 * This class resolves the issue of correct UTF-8 encoding when creating MySQL tables
 * with Hibernate SchemaExport-Tool.
 *  
 * @author Yevgen Chebotar
 *
 */
public class UBYMySQLDialect extends MySQL5InnoDBDialect {

    public String getTableTypeString() {
        return " ENGINE=InnoDB default character set = \"UTF8\" default collate = \"utf8_general_ci\"";
    }

    @Override
    public String getTypeName(int code, long length, int precision, int scale) throws HibernateException {
        String result = super.getTypeName(code, length, precision, scale);
        if ("boolean".equals(result))
            return "bit";
        return result;
    }

}