Terraria.DB.Load C# (CSharp) Method

        private SQLiteDataReader Load(string file, string query)
        {
            string str = string.Format(@"Data Source={0}\{1}.sqlite;", folderName, file);
            connection = new SQLiteConnection(str);
            try
            {
                connection.Open();
                using (SQLiteCommand command = connection.CreateCommand())
                {
                    command.CommandText = query;
                    reader = command.ExecuteReader();
                    return reader;
                }
            }
            catch
            {
                reader.Close();
                connection.Close();
                return null;
            }
        }