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. -- Cheers, Sol. ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Sqlalchemy-users mailing list Sqlalchemy-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sqlalchemy-users