/**
* printa el groupby en csv
*/
public function printar_csv()
{
while (SQLFrame::$pos_file < $this->posicion) {
echo ";";
SQLFrame::$pos_file++;
}
echo "TOTAL;";
SQLFrame::$pos_file++;
foreach ($this->sumatorios as $suma) {
$suma->printar("csv");
}
echo "\n";
SQLFrame::$pos_file = 0;
}
