api.py 文件源码

def service_get_all_learning_sorted(context):
    session = get_session()
    with session.begin():
        topic = CONF.learning_topic
        label = 'learning_gigabytes'
        subq = model_query(context, models.Share,
                           func.sum(models.Share.size).label(label),
                           session=session, read_deleted="no").\
            join(models.ShareInstance,
                 models.ShareInstance.learning_id == models.Share.id).\
            group_by(models.ShareInstance.host).\
            subquery()
        return _service_get_all_topic_subquery(context,
                                               session,
                                               topic,
                                               subq,
                                               label)