public function subtract(DataQuery $subtractQuery, $field = 'ID')
    {
        $fieldExpression = $subtractQuery->expressionForField($field);
        $subSelect = $subtractQuery->getFinalisedQuery();
        $subSelect->setSelect(array());
        $subSelect->selectField($fieldExpression, $field);
        $subSelect->setOrderBy(null);
        $subSelectSQL = $subSelect->sql($subSelectParameters);
        $this->where(array($this->expressionForField($field) . " NOT IN ($subSelectSQL)" => $subSelectParameters));

        return $this;
    }