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)
>
>
>
>
> >
>
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