On Jun 29, 2012, at 6:31 AM, tonthon wrote: > I had also to add : > c1 = aliased(Client) > c2 = aliased(Client)
oh right, forgot that part > query(Task).with_polymorphic([Invoice, Estimation]).outerjoin(p1, > Invoice.project).outerjoin(p2, Estimation.project).outerjoin(c1, > p1.client).outerjoin(c2, p2.client) > > And I can filter on common parameters, that's what I was looking for so far. > > Is it possible to get Invoices and Estimations as result objects (in > place of Task objects) ? if the Estimation/Invoice classes use "polymorphic_on" against a column in the Task table that acts as the "discriminator" then sure. if there isn't such a column, then things are trickier - we don't have a 100% endorsed pattern for that right now. there's hacky workarounds, id have to work one up. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.