public Result CreateDbTable()
        {
            try
            {
                var dbConnectionRequest = new DbConnectionRequested();
                OnDbConnectionRequested(dbConnectionRequest);

                if (dbConnectionRequest.Connection != null)
                {
                    if (dbConnectionRequest.Connection.State != ConnectionState.Open)
                    {
                        dbConnectionRequest.Connection.Open();
                    }

                    var cmd = dbConnectionRequest.Connection.CreateCommand();

                    cmd.CommandText = GetQuery();
                    

                    cmd.ExecuteNonQuery();

                    var result = Result.Success(String.Format("Tworzenie tabeli: {0} zakończone sukcesem.", _table.Name));
                    var dbTableCreatedEventArgs = new DbTableCreatedEventArgs(_table.Name, result);
                    OnTableCreated(dbTableCreatedEventArgs);

                    if (dbTableCreatedEventArgs.ExternalOperationResults.IsSuccess)
                    {
                        return dbTableCreatedEventArgs.ExternalOperationResults.MergeFailures();
                    }

                    return result;
                }

                return Result.Failure("Nie udało się pobrać połączenia do bazy danych");
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "Exception while creating table '{0}'", _table.Name);
                return Result.Failure(String.Format("Błąd w czasie tworzenia tabeli: {0}.", _table.Name), ex);
            }
        }
 private void OnDbConnectionRequested(DbConnectionRequested dbConnectionRequested)
 {
     var dbConnReq = DbConnectionRequested;
     if (dbConnReq != null)
     {
         dbConnReq(this, dbConnectionRequested);
     }
 }