> -----Original Message-----
> From: sqlalchemy@googlegroups.com
> [mailto:sqlalch...@googlegroups.com] On Behalf Of Boda Cydo
> Sent: 26 January 2010 01:35
> To: sqlalchemy
> Subject: [sqlalchemy] Re: Is it possible to narrow down the
> generated query in SQLAlchemy if it was created via query_property?
>
> On Jan 25, 2:46 am, Boda Cydo <bodac...@gmail.com> wrote:
> > Let me know if the question is not clearly stated. I'll
> update it with
> > more details.
>
> Any ideas?
>
When you access Comment.query, you are getting back an already instantiated
Query object which, as the error message indicates, isn't callable.
I guess I don't really understand why you want to use
Comment.query(Comment.comment) rather than Session.query(Comment.comment). If
you really want this, you could subclass Query to add a __call__ method that
creates a new query instance:
class CallableQuery(Query):
def __call__(self, *args, **kwargs):
return Session.query(*args, **kwargs)
class Comments(Base):
query = Session.query_property(query_cls=CallableQuery)
...but I'm still not sure what the point is.
Simon
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