MySQL Profiles in Symfony Console using Doctrine DBAL (needs some cleanup)

Profiler.php

<?php

use Doctrine\DBAL\Connection;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Helper\Table;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ChoiceQuestion;

class Profiler
{
    /**
     * @var Connection
     */
    private $connection;

    /**
     * @param Connection $connection
     */
    public function __construct(Connection $connection)
    {
        $this->connection = $connection;
    }

    public function start()
    {
        $this->connection->executeUpdate('SET SESSION profiling = 1;');
    }

    public function evaluateProfile(InputInterface $input, OutputInterface $output)
    {
        // Profiling query is deprecated. Use performance_schema instead
        $profiles = $this->connection->fetchAll('SHOW PROFILES;');
        $table = new Table($output);
        $this->showRows($profiles, $table);

        $question = new QuestionHelper();

        while (true) {
            try {
                $queryIds = array_column($profiles, 'Query_ID');
                $selectors = array_combine($queryIds, $queryIds);
                $selectors['exit'] = 'exit';
                $selectors['profiles'] = 'profiles';
                $answer = $question->ask($input, $output, new ChoiceQuestion('Which profile to check?', $selectors));
            } catch (\Exception $e) {
                $answer = 'profiles';
                $output->writeln('<error>'.$e->getMessage().'</error>');
            }

            if ('exit' === $answer) {
                break;
            }

            if ('profiles' === $answer) {
                $this->showRows($profiles, $table);
            }

            if (is_numeric($answer)) {
                // Profiling query is deprecated. Use performance_schema instead
                $profile = $this->connection->fetchAll("SHOW PROFILE FOR QUERY $answer;");
                $this->showRows($profile, $table);
            }
        }
    }

    private function showRows(array $rows, Table $table)
    {
        $table->setRows($rows);
        $table->render();
    }
}