use one decl-base for all?
On Saturday 14 February 2009 18:30:14 dasacc22 wrote:
> Hi,
>
> Say I have two different files that I import that establish tables
> via declarative_base, so
>
> import a, b
>
> where there exists a.Group and b.User and then I create my engine
>
> engine = create_engine(...)
>
> and then I ..
>
> a.metadata.bind = engine
> b.metadata.bind = engine
>
> or I could call create_all(engine) or whatever. But what I want to
> do is create a many-to-many table called group_users and set ..
>
> a.User.groups = relation('Group', secondary=group_users,
> backref='user')
> b.Group.users = relation('User', secondary=group_users,
> backref='group')
>
> and right now i do this by creating a third metadata that i bind to
> engine. But unfortunately its not aware of either tables from the
> first two metadatas that ive imported.
>
> Is there a way that I can merge all metadata's? Or make my
> relational metadata aware of the tables in the first two?
>
> Thanks,
> Daniel
>
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