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我需要包括與我的EntityFramework查詢(4.1),其中孫子是單葉關子子孫孫,如下:實體框架急於包括兩個單孫子
計劃有一個路線, 路線有一個FromAirport和一個ToAirport
我曾嘗試以下:
.Include(x => x.Route.FromAirport).Include(x => x.Route.ToAirport)
但produc es sql查詢如下:
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]
路由當然是連接兩次。只要EF能夠正確地綁定到實體模型,我就可以忍受這一點。
是否有更好的方式來指定包含?
嘗試查詢路線幷包括從,到和時間表 – vittore 2013-03-19 19:50:15