* @return null|int
*/
function convertOptionBatch( $res, $dbw ) {
$id = null;
foreach ( $res as $row ) {
$this->mConversionCount++;
* @return null|int
*/
function convertOptionBatch( $res, $dbw ) {
$id = null;
foreach ( $res as $row ) {
$this->mConversionCount++;