Product Variants aren't assigned a Category

	function onProcessProductMassFiltercategoryColumn(&$elements,&$query,$filter,$num){
		if(empty($filter['type']) || $filter['type']=='all') return;
		if(!isset($this->massaction))$this->massaction = hikashop_get('class.massaction');
		$db = JFactory::getDBO();
		if(count($elements)){
			foreach($elements as $k => $element){
				if(!empty($element->categories)){
					if(!is_array($element->categories)) $element->categories = array($element->categories);
					JArrayHelper::toInteger($element->categories);
					$db->setQuery('SELECT * FROM '.hikashop_table('category').' WHERE category_id IN('.implode(',',$element->categories).')');
					$categories = $db->loadObjectList();
					$del = true;
					foreach($categories as $category){
						$in = $this->massaction->checkInElement($category, $filter);
						if($in) $del = false;
					}
					if($del) unset($elements[$k]);
				}
			}
		}else{
			if(!empty($filter['value']) || (empty($filter['value']) && in_array($filter['operator'],array('IS NULL','IS NOT NULL')))){
				$query->leftjoin['product_category'] = hikashop_table('product_category').' AS hk_product_category ON hk_product_category.product_id = hk_product.product_id';
				$query->leftjoin['category'] = hikashop_table('category').' AS hk_category ON hk_category.category_id = hk_product_category.category_id';
				$query->where[] = $this->massaction->getRequest($filter,'hk_category');

				$tQuery = '';
				if(!empty($query->select)) $tQuery .= ' SELECT '.$query->select;
				if(!empty($query->from)) $tQuery .= ' FROM '.$query->from;
				if(!empty($query->join)) $tQuery .= ' JOIN '.implode(' JOIN ',$query->join);
				if(!empty($query->leftjoin)) $tQuery .= ' LEFT JOIN '.implode(' LEFT JOIN ',$query->leftjoin);
				if(!empty($query->where)) $tQuery .= ' WHERE ('.implode(') AND (',$query->where).')';
				if(!empty($query->ordering)) $tQuery .= ' ORDER BY '.implode(',',$query->ordering);
				if(!empty($query->direction) && is_string($query->direction)) $tQuery .= ' '.$query->direction;
				if(!empty($query->group) && is_string($query->group)) $tQuery .= ' GROUP BY '.$query->group;

				$db->setQuery($tQuery);
				$mainProducts = $db->loadObjectList();
				$ids = array();
				foreach($mainProducts as $mainProduct){
					$ids[] = $mainProduct->product_id;
				}

				$query->join = array();
				$query->leftjoin = array();
				$query->where = array('product_id IN ('.implode(',',$ids).') OR product_parent_id IN ('.implode(',',$ids).')');
			}
		 }
	}

								if(!isset($productClass->products[$row->price_product_id]))
									$rows[$k]->price_value_with_tax = $rows[$k]->price_value;
								else
									$rows[$k]->price_value_with_tax = $currencyHelper->getTaxedPrice($row->price_value,$zone_id,$productClass->products[$row->price_product_id]->product_tax_id);

								if(isset($productClass->all_products[$row->price_product_id]) && $productClass->all_products[$row->price_product_id]->product_type == 'main')
									$rows[$k]->price_value_with_tax = $currencyHelper->getTaxedPrice($row->price_value,$zone_id,$productClass->all_products[$row->price_product_id]->product_tax_id);
								elseif(isset($productClass->all_products[$productClass->all_products[$row->price_product_id]->product_parent_id]->product_tax_id))
									$rows[$k]->price_value_with_tax = $currencyHelper->getTaxedPrice($row->price_value,$zone_id,$productClass->all_products[$productClass->all_products[$row->price_product_id]->product_parent_id]->product_tax_id);
								else
									$rows[$k]->price_value_with_tax = $rows[$k]->price_value;