private function appendOrderByList(\Aztech\Skwal\Visitor\Printer\Assembler\Select $assembler,\Aztech\Skwal\Query\Select $query)
    {
        $this->expressionVisitor->useAliases(false);
        
        $orderByList = array();
        
        foreach ($query->getSortingColumns() as $sortingColumn) {
            $direction = $this->getSortDirectionText($sortingColumn);
            $orderByList[] = $this->expressionVisitor->printExpression($sortingColumn->getExpression()) . $direction;
        }
        
        $assembler->setOrderByList($orderByList);
    }