def _turn_db_timezone_to_utc(original_uri: str) -> str:
    """ string operator that make any db into utc timezone

    Args:
        original_uri (str): original uri without set timezone

    Returns:
        str: uri with explicittly set utc timezone
    """
    # Do set use `init_command` for sqlite, since it doesn't support yet
    if original_uri.startswith('sqlite'):
        return original_uri

    _set_timezone_args = 'init_command=SET SESSION time_zone=\'%2B00:00\''
    parsed_uri = original_uri.split('?')

    if len(parsed_uri) == 1:
        return f'{parsed_uri[0]}?{_set_timezone_args}'
    assert len(parsed_uri) == 2, \
        f'failed to parse uri [{original_uri}], since it has more than one ?'

    base_uri, args = parsed_uri
    args = args.split('&&')
    # remove if there's init_command already
    args_list = [_set_timezone_args]
    for a in args:
        if a.startswith('init_command'):
            command = a.split('=')[1]
            # ignore other set time_zone args
            if command.startswith('SET SESSION time_zone'):
                continue
            args_list[0] = f'{args_list[0]};{command}'
        else:
            args_list.append(a)

    args = '&&'.join(args_list)
    return f'{base_uri}?{args}'
 string operator that make any db into utc timezone

    Args:
        original_uri (str): original uri without set timezone

    Returns:
        str: uri with explicittly set utc timezone
    
web_console_v2/api/fedlearner_webconsole/db.py