How to display sql queries with monolog and doctrine channel

display_sql_with_monolog_and_channel_doctrine.php

<?php
$logger = $this->getContainer()->get('monolog.logger.doctrine');
foreach ($logger->getLogs() as $log) {
    $output->writeln(sprintf('<info>Query:</info> %s (%s)', $log['message'], json_encode($log['context'])));
    $output->writeln('');
}