如果你使用属性级别的延迟获取(lazy fetching)(这是通过重新编写字节码实现的),可以使用 fetch all properties 来强制Hibernate立即取得那些原本需要延迟加载的属性(在第...
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lazy fetch detail 延迟获取
Lazy loading is a technique used to fetch data from the user database only when it's required.
延迟加载是一种仅在需要时,从用户数据库获取数据的技术。
Notice that the fetch rule is set to lazy, so you will not fetch the order when someone asks for the customer.
注意,该获取规则被设置为 Lazy,所以当有人查询该客户时,您将不获取该订单。
If we use lazy loading feature on employee entity for dependent and department entities then in use case 2 and 3, more SQL queries are fired to fetch the required data.
如果对实体employee所关联的dependent和department这两个实体使用延迟加载,那么在操作2和3中就会生成更多的SQL查询语句。
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