处理：No Dialect mapping for JDBC type: -1

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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()); }}