rule.py 文件源码

def list_associated_rules_for_file(scope, name, session=None):
    """
    List replication rules a file is affected from.

    :param scope:   Scope of the file.
    :param name:    Name of the file.
    :param session: The database session in use.
    :raises:        RucioException
    """

    query = session.query(models.ReplicationRule).\
        with_hint(models.ReplicaLock, "INDEX(LOCKS LOCKS_PK)", 'oracle').\
        join(models.ReplicaLock, models.ReplicationRule.id == models.ReplicaLock.rule_id).\
        filter(models.ReplicaLock.scope == scope, models.ReplicaLock.name == name).distinct()
    try:
        for rule in query.yield_per(5):
            d = {}
            for column in rule.__table__.columns:
                d[column.name] = getattr(rule, column.name)
            yield d
    except StatementError:
        raise RucioException('Badly formatted input (IDs?)')