// 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, PassengersOnBookingDataOrdinals ordinals)
{
if (!reader.IsDBNull(ordinals.PassengerId))
{
PassengerId = reader.GetGuid(ordinals.PassengerId);
}
if (!reader.IsDBNull(ordinals.PassengerName))
{
PassengerName = reader.GetString(ordinals.PassengerName);
}
if (!reader.IsDBNull(ordinals.PassengerTypeName))
{
PassengerTypeName = reader.GetString(ordinals.PassengerTypeName);
}
}
/// <summary>Get all passengers on a booking</summary>
/// <cardinality>Many</cardinality>
public List <PassengersOnBookingData> PassengersOnBooking(Guid bookingId)
{
var ret = new List <PassengersOnBookingData>();
string sql = @"
select
pa.passenger_id
,pa.passenger_name
,ptr.passenger_type_name
from passenger as pa
inner join passenger_type_ref as ptr on ptr.passenger_type_rcd = pa.passenger_type_rcd
inner join booking_passenger as bp on bp.passenger_id = pa.passenger_id
where bp.booking_id = @booking_id
";
using (var conn = new SqlConnection(Conn.ConnectionString)) {
conn.Open();
conn.BeginTransaction(IsolationLevel.ReadUncommitted).Commit();
using (var command = new SqlCommand(sql, conn)) {
command.Parameters.Add("@booking_id", SqlDbType.UniqueIdentifier).Value = bookingId;
Logging log = Logging.PerformanceTimeStart("SolutionNorSolutionPort.DataAccessLayer.PassengerSearch.PassengersOnBooking");
IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult);
log.PerformanceTimeStop(sql, command);
var ordinals = new PassengersOnBookingDataOrdinals(reader);
while (reader.Read())
{
var data = new PassengersOnBookingData();
data.Populate(reader, ordinals);
ret.Add(data);
}
reader.Close();
}
return(ret);
}
}