private function getTextFields($table): array
    {
        $columnsData = $this->model->getReadConnection()->describeColumns($table);
        $textFields = [];

        foreach ($columnsData as $column) {
            switch ($column->getType()) {
                case \Phalcon\Db\Column::TYPE_VARCHAR:
                case \Phalcon\Db\Column::TYPE_TEXT:
                    $textFields[] = $column->getName();
                    break;
            }
        }

        return $textFields;
    }