今天,我创建了代理实体来从内存中加载查找数据。
我建议,实体框架应该足够聪明,不要生成国家/地区表的连接
DbContext.Users.Include(u => u.Country.Select(c => c.Place))
相反,EF应该从内存中获取数据。
你如何使用实体框架处理查找数据?
今天,我创建了代理实体来从内存中加载查找数据。
我建议,实体框架应该足够聪明,不要生成国家/地区表的连接
DbContext.Users.Include(u => u.Country.Select(c => c.Place))
相反,EF应该从内存中获取数据。
你如何使用实体框架处理查找数据?
所以,您希望EF在访问之前急于将所有查找表加载到内存中吗?这听起来有点凌乱和笨拙。(如果查找有更新怎么办?如何同步?)如果使用Pks,加入查找表会很快。如果需要在内存中加载查找表,仍然需要在linq查询中连接保存表数据的代理对象。我没有确凿的数据,但我看不出这两种技术在性能上有多大差异。如果有的话,Linq的例子可能会慢一些。
我的经验法则是:如果两种技术在速度和回报方面相似,那就选择一种不那么复杂、更容易维护的技术(在你的例子中,使用Include())。
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