I\'m using a generic repository that exposes an IQueryable<T> like this: public IQueryable<T> AllEntities
Eager loading does not work as I expect. I have Products that has_many Variants,开发者_如何学Python and of course each Variant belongs_to a Product.
Attempting to cutover our EF4 solution to EF CTP5, and ran into a problem. Here\'s the relevant portion of the model:
I have class X that takes much time to initialize itself. I want to make that class singleton and force its creation when rails application starts.
I\'ve implemented the specification pattern with Linq as outlined here https://www.packtpub.com/article/nhibernate-3-using-linq-specifications-data-access-layer
NHibernate eager loading can be done using Fetch and FetchMany, as described in NHibernate Linq Eager Fetching on Mike Hadlow\'s blog.
I have two entities: Location Post It\'s a 1..* between Location and Post. Location is abstract, i have many derived entities such as City. I use Table-Per-Type inheritance for my model.
I want to access the list of organisations from a user object within the main.gsp: <g:select name=\"effectiveOrganisation\"
Supose I have following entities created from database tables: Person Student Student include Person as navigation property.
Let\'s say I want to display a list of books and their authors.In traditional database design, I would issue a single query to retrieve rows from the Book table as well as the related Author table, a
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