‫فراخوانی Stored procedure و Table Value Function در EF Code First

[DbFunction("MyContext", "CustomersByZipCode")]
    public IQueryable<Customer> CustomersByZipCode(string zipCode)
    {
        var zipCodeParameter = zipCode != null ?
            new ObjectParameter("ZipCode", zipCode) :
            new ObjectParameter("ZipCode", typeof(string));

        return ((IObjectContextAdapter)this).ObjectContext
            .CreateQuery<Customer>(
                string.Format("[{0}].{1}", GetType().Name, 
                    "[CustomersByZipCode](@ZipCode)"), zipCodeParameter);
    }

    public ObjectResult<Customer> GetCustomersByName(string name)
    {
        var nameParameter = name != null ?
            new ObjectParameter("Name", name) :
            new ObjectParameter("Name", typeof(string));

        return ((IObjectContextAdapter)this).ObjectContext.
            ExecuteFunction<Customer>("GetCustomersByName", nameParameter);
    }

context.Database.ExecuteSqlCommand(
            "CREATE PROCEDURE [dbo].[GetCustomersByName] @Name nvarchar(max) AS " +
            "SELECT [Id], [Name], [ZipCode] " +
            "FROM [dbo].[Customers] " +
            "WHERE [Name] LIKE (@Name)");

        context.Database.ExecuteSqlCommand(
            "CREATE FUNCTION [dbo].[CustomersByZipCode](@ZipCode nchar(5)) " +
            "RETURNS TABLE " +
            "RETURN " +
            "SELECT [Id], [Name], [ZipCode] " +
            "FROM [dbo].[Customers] " + 
            "WHERE [ZipCode] = @ZipCode");