小编Cha*_*lie的帖子

根据下表，如何更新用户所在的组？我觉得我必须丢失一些显而易见的东西，但是到目前为止，我还没有发现任何显示该操作方法的东西。

group_permission_table = Table('group_permission', metadata,
    Column('group_name', Integer, ForeignKey('group.group_name', onupdate="CASCADE", ondelete="CASCADE")),
    Column('permission_name', Integer, ForeignKey('permission.permission_name', onupdate="CASCADE", ondelete="CASCADE"))
)

user_group_table = Table('user_group', metadata,
    Column('user_name', Integer, ForeignKey('user.user_name', onupdate="CASCADE", ondelete="CASCADE")),
    Column('group', Integer, ForeignKey('group.group_name', onupdate="CASCADE", ondelete="CASCADE"))
)

class Group(Base):
    """An ultra-simple group definition.
    """
    __tablename__ = 'group'

    group_name = Column("group_name", Text(), primary_key=True)

    users = relationship('User', secondary=user_group_table, backref='groups')

class User(Base):
    """Reasonably basic User definition. Probably would want additional
    attributes.
    """
    __tablename__ = 'user'

    user_name = Column("user_name", Text(), primary_key=True)
    _password = Column('password', Text)
    email = Column('email', Text())

有人吗 …