On Mon, 4 Sep 2006 16:21:33 +0200
Enrico Morelli <[EMAIL PROTECTED]> wrote:
> On Mon, 04 Sep 2006 15:51:06 +0200
> Sol <[EMAIL PROTECTED]> wrote:
>
> > Hello, not sure if i got you right, but here is what i think.
> >
> > > users_projects=Table('users_projects', metadata,
> > > Column('id_users', Integer, ForeignKey('users.id_users')),
> > > Column('id_projects', Integer,
> > > ForeignKey('projects.id_projects')), )
> > >
> > > users_projects.create()
> > >
> > > class Users(object):
> > > pass
> > > class Projects(object):
> > > pass
> > >
> > > umapper=mapper(Users, users)
> >
> > umapper = mapper(Users, users, properties = dict(
> > projects = relation(Projects, secondary = users_projects),
> > ))
> >
> > > pmapper=mapper(Projects, projects, properties={
> > > 'users' : relation(Users, secondary=users_projects,
> > > backref="projects"), }
> > > )
> >
> >
> >
> > >
> > > u=session.query(Users).select()
> > >
> > > for i in range(len(u)):
> > > pr=u[i].fk_project.split(',')
> > > for p in range(len(pr)-1):
> > >
> > > pname=session.query(Projects).selectfirst(projects.c.id_projects==pr[p])
> > > ????????
> >
> > all_usuers = session.query(Users).select()
> >
> > for user in all_users:
> > project_ids = user.fk_project.split(',')
> > for project_id in project_ids:
> > project = session.get(Projects, project_id)
> > user.projects.append(project)
> >
> > session.flush()
> >
> >
> > > Actually, the users table has a fk_project field like 1,15,3,.
> > > Each
> > Now dismiss the fk_project field altogether, you do not need it with
> > many-to-many relationships.
> >
>
> Thanks seems to works. But when I try to get some results I obtain
> an object.
>
> >>> u=session.query(Users).selectfirst(users.c.login=='morelli')
>
> >>> u.login
> morelli
>
> >>> u.projects
> [<__main__.Projects object at 0xb77f8cac>]
>
> How can I obtain the project names related to a given user?
>
> Thanks
>
I found that I can obtain using:
u.projects[0].project
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| ENRICO MORELLI | email: [EMAIL PROTECTED] |
| * * * * | phone: +39 055 4574269 |
| University of Florence | fax : +39 055 4574253 |
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