Say we have a many-to-many relation:
mapper(Group, group_tbl,
properties={'users' : relation(User, secondary=group_user_tbl) }
)
group_user_tbl = Table('group_user', metadata,
Column('group_id', Integer, ForeignKey('group.group_id')),
Column('user_id', Integer, ForeignKey('user.user_id')),
Column('expiry', DateTime)
)
Is there any way to make the 'expiry' an attribute to the User of a
particular Group?
eg.
my_group = session.query(Group).get(30)
u = my_group.users[0]
exp = u.expiry
exp = datetime.datetime.now()
session.flush()
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