src/Model/MySQLModelAbstract.php
public function delete($SQL, $parameters = null) {
        $queryResult = $this->executeSQL($SQL, $parameters);
        return $queryResult->rowCount();
    }
public function delete($SQL, $parameters = null) {
        $queryResult = $this->executeSQL($SQL, $parameters);
        return $queryResult->rowCount();
    }
Do a delete query to Database and return the number of deleted rows.

@param string $SQL
@return int number of deleted rows.
@throws ModelException