假设我有以下域:
public class Movie
{
public string Id { get; set; }
public string Name { get; set; }
public List<ActorReference> Actors { get; set; }
}
public class Actor
{
public string Id { get; set; }
public string Name { get; set; }
public string Biography { get; set; }
public string AnotherDetailProperty { get; set; }
}
public class ActorReference
{
public string Id { get; set; }
public string Name { get; set; }
}
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现在,如果演员的名字发生变化,我想确保所有引用的电影也会更新。因此,我首先创建一个索引,让我查询涉及特定演员的所有电影:
public class Movies_ByActorId : AbstractIndexCreationTask<Movie>
{
public Movies_ByActorId()
{
Map = movies => from movie in movies
from actor in movie.Actors
select new { ActorId = actor.Id };
}
}
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好吧,现在我想启动补丁命令......
Session.Advanced.DatabaseCommands.UpdateByIndex(
"Movies/ByActorId",
new IndexQuery
{
Query = "ActorId:" + actorWhoseNameHasChanged.Id
},
new[]
{
new PatchRequest
{
Type = PatchCommandType.Modify,
Name = "Actors",
Nested = new[]
{
// WHAT TO DO HERE?
}
}
},
allowStale: false);
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有人可以帮我完成上面的这个代码块吗,因为我完全不知道如何才能更新代表更改的演员的非规范化引用的名称。
恐怕 RavenDB 不支持这种补丁请求,我需要手动加载和存储所有电影,出于性能原因,我肯定想避免这种情况。