public static IQueryable<Petshop.Data.Entities.Order> ByUserId(this IQueryable<Petshop.Data.Entities.Order> queryable, System.String userId, params System.String[] additionalValues)
        {
            var userIdList = new List<System.String> { userId };

            if (additionalValues != null)
                userIdList.AddRange(additionalValues);

            if (userIdList.Count == 1)
                return queryable.ByUserId(userIdList[0]);

            return queryable.ByUserId(userIdList);
        }
        public static IQueryable<PetShop.Core.Data.Order> ByUserId(this IQueryable<PetShop.Core.Data.Order> queryable, string userId, params string[] additionalValues)
        {
            var userIdList = new List<string> { userId };

            if (additionalValues != null)
                userIdList.AddRange(additionalValues);

            if (userIdList.Count == 1)
                return queryable.ByUserId(userIdList[0]);

            return queryable.ByUserId(userIdList);
        }
        public static IQueryable<Tracker.Core.Data.UserRole> ByUserId(this IQueryable<Tracker.Core.Data.UserRole> queryable, int userId, params int[] additionalValues)
        {
            var userIdList = new List<int> { userId };

            if (additionalValues != null)
                userIdList.AddRange(additionalValues);

            if (userIdList.Count == 1)
                return queryable.ByUserId(userIdList[0]);

            return queryable.ByUserId(userIdList);
        }