Thanks. This looks like it should work. I will give it a try. -Allen
On Dec 9, 2007 10:39 PM, Michael Bayer <[EMAIL PROTECTED]> wrote: > > > On Dec 9, 2007, at 10:55 PM, Allen Bierbaum wrote: > > > > > I am using SA 0.3.11 and I would like to know if there is a way to get > > a query object from a relation property. I have several one-to-many > > relationships in my application. These are all setup and work very > > well, but I find that I often want to perform further filtering of the > > objects in the relationship list property. I could write python code > > to do it, but if I could get SA to do it on the server, then all the > > better. > > it is the "dynamic" relation that you want, but for 0.3 you can write > your own read-only property via: > > class MyClass(object): > def _get_prop(self): > return > object_session(self).query(ChildClass).with_parent(self, > 'attributename') > attributename = property(_get_prop) > > > > > > > --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---