处理：No Dialect mapping for JDBC type: -1

package com.alpha.util;

import java.sql.Types;

import org.hibernate.Hibernate;
import org.hibernate.dialect.MySQL5Dialect;

/**
 * 处理：No Dialect mapping for JDBC type: -1
 * @author JavaAlpha
 * @date 2011-3-25
 * @version V 1.0
 */

public class MyDialect extends MySQL5Dialect {

  public MyDialect() {
    super();
//    registerHibernateType(Types.LONGVARCHAR, 65535,"text");//.LONGVARCHAR
//    registerHibernateType(Types.DECIMAL, Hibernate.BIG_DECIMAL.getName());
//    registerHibernateType(1, "string");   
//      registerHibernateType(-9, "string");   
//      registerHibernateType(-16, "string");   
//      registerHibernateType(3, "double");   

    registerHibernateType(-1, Hibernate.STRING.getName());
    registerHibernateType(Types.CHAR, Hibernate.STRING.getName());   
        registerHibernateType(Types.NVARCHAR, Hibernate.STRING.getName());   
        registerHibernateType(Types.LONGNVARCHAR, Hibernate.STRING.getName());   
        registerHibernateType(Types.DECIMAL, Hibernate.DOUBLE.getName());   

  }
}