class BlogService { readonly ILtConnection _connection; public BlogService(ILtConnection connection) { _connection = connection; } // クエリ生成 static readonly Query<Blog> _query = Lt.Query<Blog>() .Include(_ => _.Posts).Where(_ => _.UserId == Lt.Arg<int>("UserId")) .OrderByDescending(_ => _.Date).Take(20).ToImmutable(); public IEnumerable<Blog> GetNewBlogs(int userId) { // クエリ実行 return _connection.Se
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