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我需要包括与我的EntityFramework查询(4.1),其中孙子是单叶关子子孙孙,如下:实体框架急于包括两个单孙子
计划有一个路线, 路线有一个FromAirport和一个ToAirport
我曾尝试以下:
.Include(x => x.Route.FromAirport).Include(x => x.Route.ToAirport)
但produc es sql查询如下:
FROM [dbo].[Schedule] AS [Extent1]
INNER JOIN [dbo].[Route] AS [Extent2] ON [Extent1].[RouteId] = [Extent2].[Id]
LEFT OUTER JOIN [dbo].[Route] AS [Extent3] ON [Extent1].[RouteId] = [Extent3].[Id]
LEFT OUTER JOIN [dbo].[Airport] AS [Extent4] ON [Extent3].[FromAirportId] = [Extent4].[Id]
LEFT OUTER JOIN [dbo].[Airport] AS [Extent5] ON [Extent3].[ToAirportId] = [Extent5].[Id]
路由当然是连接两次。只要EF能够正确地绑定到实体模型,我就可以忍受这一点。
是否有更好的方式来指定包含?
尝试查询路线并包括从,到和时间表 – vittore 2013-03-19 19:50:15