добавление новой таблицы и связка с product - [VM2&3] Модификации и хаки

// Добавил settings 
	public function loadProductSettings($productId,$quantity,$virtuemart_shoppergroup_ids,$front){

		$db = JFactory::getDbo();
		$this->_nullDate = $db->getNullDate();
		$jnow = JFactory::getDate();
		$this->_now = $jnow->toMySQL();

		//$productId = $this->_id===0? $product->virtuemart_product_id:$this->_id;
		//$productId = $product->virtuemart_product_id===0? $this->_id:$product->virtuemart_product_id;
		$q = 'SELECT * FROM `#__virtuemart_product_settings` WHERE `virtuemart_product_id` = "'.$productId.'" ';
		$q .= ' ORDER BY `virtuemart_settings_id` DESC';

		$db->setQuery($q);
		$settings = $db->loadAssocList();
		$err = $db->getErrorMsg();
		if(!empty($err)){
			vmError('getProductSingle '.$err);
		} else {
			if($settings and count($settings)==0){
				vmdebug('getProductSingle getSettings query',$q);
			}

		}
		return $settings;
	}
932		public function getProductSettings(&$product,$quantity,$virtuemart_shoppergroup_ids,$front,$loop=false){

934		$product->virtuemart_settings_id = null;
935		$product->show_preorder = null;
936		$product->link_1 = null;
..	$product->load_image = null;
..		$product->show_save = null;
939		$product->nill = null;


		$productId = $product->virtuemart_product_id===0? $this->_id:$product->virtuemart_product_id;
943		$product->settings = $this->loadProductSettings($productId,$quantity,$virtuemart_shoppergroup_ids,$front);
		$i = 0;
		$runtime = microtime (TRUE) - $this->starttime;
		$product_parent_id = $product->product_parent_id;
		}
//

//добавил после
$mf_model = VmModel::getModel('manufacturer');
$manufacturers = $mf_model->getManufacturerDropdown($product->virtuemart_manufacturer_id);
$this->assignRef('manufacturers',	$manufacturers);
//загрузка settings
$settings = $model->getProductPrices($virtuemart_product_id,false);
$this->assignRef('settings',	$settings);

$settings = $db->loadAssocList();

->нужное_поле

$settings = $db->loadAssocList();
$this->product = $settings[0];