src/Silex/Doctrine/DBAL/Tools/Console/Command/AbstractDBALCommand.php
protected function processOptions(InputInterface $input)
    {

        if ($this->getContainer()->offsetExists('dbs')) {
            $params = $this->getContainer()['dbs'][$input->getOption('connection')]
                ->getParams();
            $this->getHelperSet()->set(
                new ConnectionHelper(
                    $this->getContainer()['dbs'][$input->getOption('connection')],
                    'db'
                )
            );
        } else {
            $params = $this->getHelper('db')->getConnection()->getParams();
        }

        if ($input->getOption('user') != null) {
            $params['user'] = $input->getOption('user');
            $params['password'] = $input->getOption('password');
        }

        unset($params['dbname']);
        unset($params['path']);

        $this->setConnection(DriverManager::getConnection($params));
    }
protected function processOptions(InputInterface $input)
    {

        if ($this->getContainer()->offsetExists('dbs')) {
            $params = $this->getContainer()['dbs'][$input->getOption('connection')]
                ->getParams();
            $this->getHelperSet()->set(
                new ConnectionHelper(
                    $this->getContainer()['dbs'][$input->getOption('connection')],
                    'db'
                )
            );
        } else {
            $params = $this->getHelper('db')->getConnection()->getParams();
        }

        if ($input->getOption('user') != null) {
            $params['user'] = $input->getOption('user');
            $params['password'] = $input->getOption('password');
        }

        unset($params['dbname']);
        unset($params['path']);

        $this->setConnection(DriverManager::getConnection($params));
    }
Processes input options, sets connection without database selected.
If default connection change overrides existing connection helper.
@param InputInterface $input Console input instance
@throws \Doctrine\DBAL\DBALException
@return void