private void DoBackupModule(IDataWriteOperator writer, DbFactory dbFactory, IModuleSpecifics module)
        {
            Logger.Debug("begin saving data for module {0}", module.ModuleName);
            var tablesToProcess = module.Tables.Where(t => !IgnoredTables.Contains(t.Name) && t.InsertMethod != InsertMethod.None).ToList();
            int tablesCount     = tablesToProcess.Count;
            int tablesProcessed = 0;

            using (var connection = dbFactory.OpenConnection())
            {
                foreach (var table in tablesToProcess)
                {
                    Logger.Debug("begin load table {0}", table.Name);
                    using (var data = new DataTable(table.Name))
                    {
                        ActionInvoker.Try(
                            state =>
                        {
                            data.Clear();
                            var t                     = (TableInfo)state;
                            var dataAdapter           = dbFactory.CreateDataAdapter();
                            dataAdapter.SelectCommand = module.CreateSelectCommand(connection.Fix(), TenantId, t).WithTimeout(600);
                            ((DbDataAdapter)dataAdapter).Fill(data);
                        },
                            table,
                            maxAttempts: 5,
                            onFailure: error => { throw ThrowHelper.CantBackupTable(table.Name, error); },
                            onAttemptFailure: error => Logger.Warn("backup attempt failure: {0}", error));

                        foreach (var col in data.Columns.Cast <DataColumn>().Where(col => col.DataType == typeof(DateTime)))
                        {
                            col.DateTimeMode = DataSetDateTime.Unspecified;
                        }

                        module.PrepareData(data);

                        Logger.Debug("end load table {0}", table.Name);

                        Logger.Debug("begin saving table {0}", table.Name);

                        var tmp = Path.GetTempFileName();
                        using (var file = File.OpenWrite(tmp))
                        {
                            data.WriteXml(file, XmlWriteMode.WriteSchema);
                            data.Clear();
                        }

                        writer.WriteEntry(KeyHelper.GetTableZipKey(module, data.TableName), tmp);
                        File.Delete(tmp);

                        Logger.Debug("end saving table {0}", table.Name);
                    }

                    SetCurrentStepProgress((int)((++tablesProcessed * 100) / (double)tablesCount));
                }
            }
            Logger.Debug("end saving data for module {0}", module.ModuleName);
        }
        private void DoBackupModule(IDataWriteOperator writer, DbFactory dbFactory, IModuleSpecifics module)
        {
            InvokeInfo("begin saving data for module {0}", module.ModuleName);
            int tablesCount = module.Tables.Count();
            int tablesProcessed = 0;
            using (var connection = dbFactory.OpenConnection(module.ConnectionStringName))
            {
                foreach (var table in module.Tables)
                {
                    InvokeInfo("begin saving table {0}", table.Name);
                    using (var data = new DataTable(table.Name))
                    {
                        ActionInvoker.Try(
                            state =>
                                {
                                    data.Clear();
                                    var t = (TableInfo)state;
                                    var dataAdapter = dbFactory.CreateDataAdapter(module.ConnectionStringName);
                                    dataAdapter.SelectCommand = module.CreateSelectCommand(connection.Fix(), Tenant.TenantId, t).WithTimeout(600);
                                    ((DbDataAdapter)dataAdapter).Fill(data);

                                },
                            table,
                            maxAttempts: 5,
                            onFailure: error => { throw ThrowHelper.CantBackupTable(table.Name, error); },
                            onAttemptFailure: error => InvokeWarning("backup attempt failure: {0}", error));

                        foreach (var col in data.Columns.Cast<DataColumn>().Where(col => col.DataType == typeof(DateTime)))
                        {
                            col.DateTimeMode = DataSetDateTime.Unspecified;
                        }

                        var stream = writer.BeginWriteEntry(KeyHelper.GetTableZipKey(module, data.TableName));
                        data.WriteXml(stream, XmlWriteMode.WriteSchema);
                        writer.EndWriteEntry();
                        data.Clear();
                    }

                    SetStepProgress((int)((++tablesProcessed*100)/(double)tablesCount));
                }
            }
            InvokeInfo("end saving data for module {0}", module.ModuleName);
        }
        private void DoBackupModule(IDataWriteOperator writer, DbFactory dbFactory, IModuleSpecifics module)
        {
            InvokeInfo("begin saving data for module {0}", module.ModuleName);
            int tablesCount     = module.Tables.Count();
            int tablesProcessed = 0;

            using (var connection = dbFactory.OpenConnection(module.ConnectionStringName))
            {
                foreach (var table in module.Tables)
                {
                    InvokeInfo("begin saving table {0}", table.Name);
                    using (var data = new DataTable(table.Name))
                    {
                        ActionInvoker.Try(
                            state =>
                        {
                            data.Clear();
                            var t                     = (TableInfo)state;
                            var dataAdapter           = dbFactory.CreateDataAdapter(module.ConnectionStringName);
                            dataAdapter.SelectCommand = module.CreateSelectCommand(connection.Fix(), Tenant.TenantId, t).WithTimeout(600);
                            ((DbDataAdapter)dataAdapter).Fill(data);
                        },
                            table,
                            maxAttempts: 5,
                            onFailure: error => { throw ThrowHelper.CantBackupTable(table.Name, error); },
                            onAttemptFailure: error => InvokeWarning("backup attempt failure: {0}", error));

                        foreach (var col in data.Columns.Cast <DataColumn>().Where(col => col.DataType == typeof(DateTime)))
                        {
                            col.DateTimeMode = DataSetDateTime.Unspecified;
                        }

                        var stream = writer.BeginWriteEntry(KeyHelper.GetTableZipKey(module, data.TableName));
                        data.WriteXml(stream, XmlWriteMode.WriteSchema);
                        writer.EndWriteEntry();
                        data.Clear();
                    }

                    SetStepProgress((int)((++tablesProcessed * 100) / (double)tablesCount));
                }
            }
            InvokeInfo("end saving data for module {0}", module.ModuleName);
        }