$product_ids = $objQuery->getCol("product_id",'dtb_order_detail',"order_id = ?",array($order_id));
if(is_array($product_ids) AND count($product_ids) > 0){
    $addressList_tmp = $objQuery->getCol('comment1','dtb_products','product_id IN('.implode(",",array_fill(0, count($product_ids), '?')).')',$product_ids);
    $addressList = array_unique($addressList_tmp);
}