Java 冬眠唐'；在数据库中直接更改某些内容后是否更新实体？

大家好，我有一个非常奇怪的问题，让我先展示一下我的配置等。这里是perstance.xml：

<persistence-unit name="allegroTransactionPersistenceUnit" transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <properties>
        <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
        <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/AllegroShop?UseUnicode=true&amp;characterEncoding=utf8" />
        <property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" />
        <property name="hibernate.connection.username" value="topSecret" />
        <property name="hibernate.connection.password" value="topSecret" />
        <!-- <property name="hibernate.hbm2ddl.auto" value="create" /> -->
        <property name="hibernate.hbm2ddl.auto" value="create" />
        <property name="show_sql" value="true" />
        <property name="hibernate.hbm2ddl.import_files" value="/SQL/payment_type.sql"/>
        <property name="hibernate.connection.useUnicode" value="true" />
        <property name="hibernate.connection.characterEncoding" value="UTF-8" />
        <property name="hibernate.connection.charSet" value="UTF-8" />
    </properties>
</persistence-unit>

org.hibernate.ejb.HibernatePersistence

下面是我用来从数据库中获取数据的方法：

@PersistenceContext( unitName = "allegroTransactionPersistenceUnit", type= PersistenceContextType.EXTENDED )
protected EntityManager em;

public List<AllegroTransactionImpl> readAllegroTransactionByCreateDate()
{
    TypedQuery<AllegroTransactionImpl> query = this.em.createQuery( "SELECT allegroTransaction FROM com.springapp.mvc.classes.AllegroTransactionImpl allegroTransaction ORDER BY createDate DESC", AllegroTransactionImpl.class);
    return  query.getResultList();
}

@PersistenceContext（unitName=“allegroTransactionPersistenceUnit”，type=PersistenceContextType.EXTENDED）
受保护的实体管理器em；
公开名单

请确保您已通过SQL语句提交更改
请检查您是否在AllegroTransactionImpl上启用了二级缓存
您是否使用commit命令提交更改。？共享您的实体类。我不使用commit命令提交，而是通过phpMyAdmin面板直接在数据库上进行更改，添加了实体类