protected function getPdoMysqlConnectionParameters(array $connectionParameters)
    {
        $pdoMysqlConnectionParameters = [
            'driver'   => 'pdo_mysql',
            'host'     => $connectionParameters['databaseHost'],
            'dbname'   => $connectionParameters['databaseName'],
            'user'     => $connectionParameters['databaseUser'],
            'password' => $connectionParameters['databasePassword'],
            'port'     => $connectionParameters['databasePort'],
        ];

        $this->addDriverOptions($pdoMysqlConnectionParameters);
        $this->addConnectionCharset(
            $pdoMysqlConnectionParameters,
            $connectionParameters['connectionCharset']
        );

        return $pdoMysqlConnectionParameters;
    }