public static function doDelete($values, PropelPDO $con = null)
{
if ($con === null) {
$con = Propel::getConnection(AlumnoPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
}
if ($values instanceof Criteria) {
AlumnoPeer::clearInstancePool();
$criteria = clone $values;
} elseif ($values instanceof Alumno) {
AlumnoPeer::removeInstanceFromPool($values);
$criteria = $values->buildPkeyCriteria();
} else {
$criteria = new Criteria(self::DATABASE_NAME);
$criteria->add(AlumnoPeer::ID, (array) $values, Criteria::IN);
foreach ((array) $values as $singleval) {
AlumnoPeer::removeInstanceFromPool($singleval);
}
}
$criteria->setDbName(self::DATABASE_NAME);
$affectedRows = 0;
try {
$con->beginTransaction();
$affectedRows += BasePeer::doDelete($criteria, $con);
$con->commit();
return $affectedRows;
} catch (PropelException $e) {
$con->rollBack();
throw $e;
}
}