Example #1
0
        private static void ProcessQueries(InputParameters InputParams, string ConnectionString)
        {
            using (SqlConnection _Connection = new SqlConnection(ConnectionString))
            {
                if (InputParams.MessagesFile != String.Empty)
                {
                    Helpers.Debug("Setting up the MessagesFile and handler.");

                    // clear out existing file
                    File.Delete(InputParams.MessagesFile);

                    Capture.MessagesFile   = InputParams.MessagesFile;
                    Capture.OutputEncoding = InputParams.OutputEncoding;

                    _Connection.InfoMessage += Capture.InfoMessageHandler;
                }
                _Connection.FireInfoMessageEventOnUserErrors = false;

                using (SqlCommand _Command = _Connection.CreateCommand())
                {
                    _Command.CommandType    = CommandType.Text;
                    _Command.CommandTimeout = InputParams.QueryTimeout;

                    if (InputParams.RowsAffectedDestination != String.Empty)
                    {
                        Helpers.Debug("Setting up the RowsAffected handler.");

                        _Command.StatementCompleted += Capture.StatementCompletedHandler;
                    }

                    _Connection.Open();

                    ResultsOutput _Output  = null;
                    QueryBatches  _Queries = null;

                    try
                    {
                        _Queries = new QueryBatches(InputParams);
                        _Output  = Helpers.GetResultsOutput(InputParams);

                        while (_Queries.NextBatch())
                        {
                            _Command.CommandText = _Queries.GetBatch();

                            Helpers.Debug("Executing the batch...");

                            try
                            {
                                using (SqlDataReader _Reader = _Command.ExecuteReader())
                                {
                                    object[] _ResultRow;
                                    string   _OutputRow;


                                    do
                                    {
                                        _Output.Send(_Output.GetHeader(_Reader, InputParams.ColumnSeparator));

                                        if (_Reader.HasRows)
                                        {
                                            _ResultRow = new object[_Reader.FieldCount];

                                            while (_Reader.Read())
                                            {
                                                _Reader.GetValues(_ResultRow);
                                                _OutputRow = String.Join(InputParams.ColumnSeparator, _ResultRow);

                                                _Output.Send(_OutputRow);
                                            }

                                            _ResultRow = null;
                                        }
                                        else
                                        {
                                            _Output.Send($"[EXECUTED]:\n { _Command.CommandText }");
                                        }
                                    } while (_Reader.NextResult());
                                } // using (SqlDataReader...
                            }
                            catch (SqlException ex)
                            {
                                _Output.Send(String.Concat("[ERROR]:\n", $"{_Command.CommandText}\n", ex.Message, "\n\n",
                                                           "Error Number:    ", ex.Number, "\n",
                                                           "Error Level:     ", ex.Class, "\n",
                                                           "Error State:     ", ex.State, "\n",
                                                           "Error Procedure: ", ex.Procedure, "\n",
                                                           "Error Line:      ", ex.LineNumber, "\n",
                                                           "HRESULT:         ", ex.ErrorCode, "\n"
                                                           ));
                            }
                        } // while (_Queries.NextBatch())
                    }
                    //catch
                    //{
                    //    throw;
                    //}
                    finally
                    {
                        if (_Output.GetType() == typeof(OutputFile))
                        {
                            Helpers.Debug("Close output file!");
                            _Output.Dispose();
                        }
                    }
                } // using (SqlCommand...
            }     // using (SqlConnection

            return;
        }