// 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, FlightSegmentsDataOrdinals ordinals) { if (!reader.IsDBNull(ordinals.FlightId)) { FlightId = reader.GetGuid(ordinals.FlightId); } if (!reader.IsDBNull(ordinals.FlightSegmentId)) { FlightSegmentId = reader.GetGuid(ordinals.FlightSegmentId); } if (!reader.IsDBNull(ordinals.AirlineIdentifierCode)) { AirlineIdentifierCode = reader.GetString(ordinals.AirlineIdentifierCode); } if (!reader.IsDBNull(ordinals.FlightNumber)) { FlightNumber = reader.GetString(ordinals.FlightNumber); } 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.DepartureGate)) { DepartureGate = reader.GetString(ordinals.DepartureGate); } if (!reader.IsDBNull(ordinals.ArrivalGate)) { ArrivalGate = reader.GetString(ordinals.ArrivalGate); } if (!reader.IsDBNull(ordinals.LogicalSegmentNumber)) { LogicalSegmentNumber = reader.GetInt32(ordinals.LogicalSegmentNumber); } if (!reader.IsDBNull(ordinals.PhysicalSegmentNumber)) { PhysicalSegmentNumber = reader.GetInt32(ordinals.PhysicalSegmentNumber); } if (!reader.IsDBNull(ordinals.LastDateTimeTypeName)) { LastDateTimeTypeName = reader.GetString(ordinals.LastDateTimeTypeName); } }
/// <summary>Get segments for flight</summary> /// <cardinality>Many</cardinality> public List <FlightSegmentsData> FlightSegments( Guid flightId ) { var ret = new List <FlightSegmentsData>(); string sql = @" select fs.flight_id ,fs.flight_segment_id ,ai.airline_identifier_code ,fi.flight_identifier_code as flight_number ,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 ,fs.from_date_time ,fs.until_date_time ,fs.departure_gate ,fs.arrival_gate ,fs.logical_segment_number ,fs.physical_segment_number ,( select top 1 dttr.date_time_type_name from flight_segment_event as fse inner join date_time_type_ref as dttr on dttr.date_time_type_rcd = fse.date_time_type_rcd where fse.flight_segment_id = fs.flight_segment_id order by fse.date_time desc ) as last_date_time_type_name from flight_segment as fs inner join flight as f on f.flight_id = fs.flight_id 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.AC3') inner join airport as da on da.airport_id = fs.departure_airport_id inner join airport as aa on aa.airport_id = fs.arrival_airport_id inner join airport_identifier as dai on dai.airport_id = fs.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 = fs.arrival_airport_id and aai.airport_identifier_type_rcd = dbo.ref('airport_identifier_type_ref.AC3') left join flight_identifier as fi on fi.flight_id = fs.flight_id and fi.flight_identifier_type_rcd = dbo.ref('flight_identifier_type_ref.FN3') --realwhere where fs.flight_id = @flight_id order by fs.from_date_time "; 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.FlightSegments"); IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult); log.PerformanceTimeStop(sql, command); var ordinals = new FlightSegmentsDataOrdinals(reader); while (reader.Read()) { var data = new FlightSegmentsData(); data.Populate(reader, ordinals); ret.Add(data); } reader.Close(); } return(ret); } }