public IActionResult RangeGet(string resource, string field)
        {
            try
            {
                if (Request.Query.ContainsKey("start") || Request.Query.ContainsKey("end"))
                {
                    var q = SpecialQueries.TryGetRangeQuery(resource, field, Request.Query);
                    if (q == null)
                    {
                        return(StatusCode(400));
                    }

                    return(Json(DBProvider.Select(q)));
                }
                else
                {
                    return(StatusCode(400));
                }
            }
            catch (Npgsql.PostgresException)
            {
                return(StatusCode(400));
            }
            catch (DBProviderExecuteException)
            {
                return(StatusCode(500));
            }
        }
        public IActionResult ExpandGet(string resource)
        {
            try
            {
                // Try find expand query
                string q = SpecialQueries.TryGetExpandQuery(resource);

                if (q != null)
                {
                    return(Json(DBProvider.Select(q)));
                }
                else
                {
                    return(Json(DBProvider.Select("SELECT * FROM " + resource)));
                }
            }
            catch (Npgsql.PostgresException)
            {
                return(StatusCode(400));
            }
            catch (DBProviderExecuteException)
            {
                return(StatusCode(500));
            }
        }