public byte[] ReadData(UInt64 PESEL, DataReader.DataType dataType, uint offset = 0)
{
string typeString = ((byte)dataType).ToString();
string query = "SELECT d.data_blob FROM data d JOIN session s ON s.session_id = d.session_id WHERE d.start_date = (SELECT start_date FROM data WHERE data_type = " + typeString + " ORDER BY start_date DESC LIMIT 1 OFFSET "+offset+")";
defaultLog.Write("Executing query: " + query);
MySqlCommand cmd = new MySqlCommand(query, connection);
MySqlDataReader data = cmd.ExecuteReader();
byte[] outData = new byte[0];
while (data.Read())
{
outData = (byte[])data["data_blob"];
}
data.Close();
defaultLog.Write("...finished: ");
return outData;
}
public byte[] ReadHistory(UInt64 PESEL, DataReader.DataType type)
{
byte[] outHistory = new byte[0];
string typeString = ((byte)type).ToString();
string query = "SELECT d.data_blob FROM data d JOIN session s ON s.session_id = d.session_id WHERE data_type = " + typeString +" ORDER BY start_date ASC";
defaultLog.Write("Executing query: " + query);
MySqlCommand cmd = new MySqlCommand(query, connection);
MySqlDataReader data = cmd.ExecuteReader();
while (data.Read())
{
outHistory.Concat( (byte[])data["data_blob"] );
}
data.Close();
return outHistory;
}
