// 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);
}
}
