// use ordinals to speed up access to DataReader // links: // crud definition: https://en.wikipedia.org/wiki/Create,_read,_update_and_delete // docLink: http://sql2x.org/documentationLink/327451c3-64a8-4de8-b359-76742d634497 // parameters: // reader: IDataReader from SQLClient public void Populate(IDataReader reader, DefaultPerformanceTimeCommandsDataOrdinals ordinals) { if (!reader.IsDBNull(ordinals.CommandName)) { CommandName = reader.GetString(ordinals.CommandName); } if (!reader.IsDBNull(ordinals.CommandDisplayName)) { CommandDisplayName = reader.GetString(ordinals.CommandDisplayName); } }
/// <summary>Get list of available performance time commands</summary> /// <cardinality>Many</cardinality> public List <DefaultPerformanceTimeCommandsData> DefaultPerformanceTimeCommands( ) { var ret = new List <DefaultPerformanceTimeCommandsData>(); string sql = @" select dpt.command_name ,iif( substring( dpt.command_name, len(dpt.command_name) - charindex( '.', reverse(dpt.command_name)) + 2, 200) = '', dpt.command_name, substring( dpt.command_name, len(dpt.command_name) - charindex( '.', reverse(dpt.command_name)) + 2, 200) ) as command_display_name from default_performance_time as dpt order by dpt.command_name "; Logging log = Logging.PerformanceTimeStart("Default", "DataAccessLayer", "DefaultSearch", "DefaultPerformanceTimeCommands"); try { using (var conn = new SqlConnection(Conn.ConnectionString)) { conn.Open(); conn.BeginTransaction(IsolationLevel.ReadUncommitted).Commit(); using (var command = new SqlCommand(sql, conn)) { log.PerformanceTimePrepare(command); IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult); log.PerformanceTimeCheck(); var ordinals = new DefaultPerformanceTimeCommandsDataOrdinals(reader); while (reader.Read()) { var data = new DefaultPerformanceTimeCommandsData(); data.Populate(reader, ordinals); ret.Add(data); } reader.Close(); } } } catch (Exception ex) { log.Error(ex); } return(ret); }