Hibernate
@Lob 通常与@Basic同时使用,提高访问速度。@Lob
@Basic(fetch = FetchType.LAZY)
@Column(name="DtaContent", columnDefinition="CLOB", nullable=true)
public String getDtaContent() {
return dtaContent;
}
@Basic 实体Bean中所有的非Static 非transient的属性都可以被持久化,没有定义注解属性的等价于在其上添加了@Basic注解
通过@Basic注解可以声明属性的获取策略(lazy与否),默认的是即时获取(early fetch),这里又讨论到了
延迟关联获取和延迟属性获取,通常不需要对简单属性设置延迟获取,如需要定义@Basic(fetch=FetchType.LAZY)

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