SQLBuilder\Universal\Syntax\Column::buildSetClause PHP Метод

    public function buildSetClause(BaseDriver $driver)
    {
        if ($this->isa === 'set' && !empty($this->set)) {
            $set = array();
            foreach ($this->set as $val) {
                $set[] = $driver->deflate($val);
            }
            return '(' . join(', ', $set) . ')';
        }
        return '';
    }