// 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, FlightHistoryDataOrdinals ordinals) { if (!reader.IsDBNull(ordinals.DateTime)) { DateTime = reader.GetDateTime(ordinals.DateTime); } if (!reader.IsDBNull(ordinals.FlightId)) { FlightId = reader.GetGuid(ordinals.FlightId); } if (!reader.IsDBNull(ordinals.AirlineIdentifierCode)) { AirlineIdentifierCode = reader.GetString(ordinals.AirlineIdentifierCode); } if (!reader.IsDBNull(ordinals.AirlineName)) { AirlineName = reader.GetString(ordinals.AirlineName); } if (!reader.IsDBNull(ordinals.FlightNumber)) { FlightNumber = reader.GetString(ordinals.FlightNumber); } if (!reader.IsDBNull(ordinals.AircraftTypeName)) { AircraftTypeName = reader.GetString(ordinals.AircraftTypeName); } if (!reader.IsDBNull(ordinals.DepartureAirportIdentifierCode)) { DepartureAirportIdentifierCode = reader.GetString(ordinals.DepartureAirportIdentifierCode); } if (!reader.IsDBNull(ordinals.DepartureAirportName)) { DepartureAirportName = reader.GetString(ordinals.DepartureAirportName); } if (!reader.IsDBNull(ordinals.ArrivalAirportIdentifierCode)) { ArrivalAirportIdentifierCode = reader.GetString(ordinals.ArrivalAirportIdentifierCode); } if (!reader.IsDBNull(ordinals.ArrivalAirportName)) { ArrivalAirportName = reader.GetString(ordinals.ArrivalAirportName); } if (!reader.IsDBNull(ordinals.FromDateTime)) { FromDateTime = reader.GetDateTime(ordinals.FromDateTime); } if (!reader.IsDBNull(ordinals.UntilDateTime)) { UntilDateTime = reader.GetDateTime(ordinals.UntilDateTime); } if (!reader.IsDBNull(ordinals.SegmentCount)) { SegmentCount = reader.GetInt32(ordinals.SegmentCount); } }
/// <summary>Get flight history</summary> /// <cardinality>Many</cardinality> public List <FlightHistoryData> FlightHistory( Guid flightId ) { var ret = new List <FlightHistoryData>(); string sql = @" select f.date_time ,f.flight_id ,ai.airline_identifier_code ,a.airline_name ,fi.flight_identifier_code as flight_number ,atr.aircraft_type_name ,dai.airport_identifier_code as departure_airport_identifier_code ,da.airport_name as departure_airport_name ,aai.airport_identifier_code as arrival_airport_identifier_code ,aa.airport_name as arrival_airport_name ,f.from_date_time ,f.until_date_time ,( select count(1) from flight_segment as fs where fs.flight_id = f.flight_id ) as segment_count from flight as f inner join airline as a on a.airline_id = f.airline_id inner join aircraft_type_ref as atr on atr.aircraft_type_rcd = f.aircraft_type_rcd inner join airport as da on da.airport_id = f.departure_airport_id inner join airport as aa on aa.airport_id = f.arrival_airport_id inner join airport_identifier as dai on dai.airport_id = f.departure_airport_id and dai.airport_identifier_type_rcd = dbo.ref('airport_identifier_type_ref.AC3') inner join airport_identifier as aai on aai.airport_id = f.arrival_airport_id and aai.airport_identifier_type_rcd = dbo.ref('airport_identifier_type_ref.AC3') inner join airline_identifier as ai on ai.airline_id = f.airline_id and ai.airline_identifier_type_rcd = dbo.ref('airline_identifier_type_ref.AC2') left join flight_identifier as fi on fi.flight_id = f.flight_id and fi.flight_identifier_type_rcd = dbo.ref('flight_identifier_type_ref.FN3') --realwhere where f.binding_flight_id = @flight_id order by f.date_time desc "; using (var conn = new SqlConnection(Conn.ConnectionString)) { conn.Open(); conn.BeginTransaction(IsolationLevel.ReadUncommitted).Commit(); using (var command = new SqlCommand(sql, conn)) { command.Parameters.Add("@flight_id", SqlDbType.UniqueIdentifier).Value = flightId; Logging log = Logging.PerformanceTimeStart("SolutionNorSolutionPort.DataAccessLayer.FlightSearch.FlightHistory"); IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult); log.PerformanceTimeStop(sql, command); var ordinals = new FlightHistoryDataOrdinals(reader); while (reader.Read()) { var data = new FlightHistoryData(); data.Populate(reader, ordinals); ret.Add(data); } reader.Close(); } return(ret); } }