protected function processInsertFromSelect(InsertFromSelect $row, $context): InsertFromSelect
    {
        if ($row->columns === null) {
            $columns = null;
        } else {
            $columns = [];
            foreach ($row->columns as $index => $column) {
                $columns[$index] = $this->processColumnName($column, $context);
            }
        }
        $selectQuery = $this->processSubQuery($row->selectQuery, $context);

        if ($selectQuery === $row->selectQuery && $columns === $row->columns) {
            return $row;
        } else {
            return new InsertFromSelect($columns, $selectQuery);
        }
    }