def METHOD_NAME(*, session: "Session"):
    """
    Fill the RSE usage history table with the current usage.
    :param session: Database session in use.
    """
    RSEUsageHistory = models.RSEUsageHistory
    for usage in session.query(models.RSEUsage).all():
        RSEUsageHistory(rse_id=usage['rse_id'], used=usage['used'], files=usage['files'], source=usage['source']).save(session=session)