can you send me full Table/Mapper/class constructs, running against
sqlite://, so i can run this example, thanks.
On Jun 6, 2007, at 8:30 AM, [EMAIL PROTECTED] wrote:
>
> To be more precise,
>
> the code:
> j = outerjoin( task_t, message_t, task_t.c.id==message_t.c.task_id)
> jj = select([ task_t.c.id.label('task_id'),
> func.count(message_t.c.id).label('props_cnt')],
> from_obj=[j], group_by=[task_t.c.id]).alias('prop_c_s')
> jjj = join(task_t, jj, task_t.c.id == jj.c.task_id)
> # jjj = outerjoin(task_effort_t, jjj, task_effort_t.c.task_id
> == jjj.c.task_id)
>
> class cls(object):pass
>
> props =dict(type=relation(Task_Type, lazy=False))
> cls.mapper = mapper( cls, jjj, order_by=[desc(task_t.c.updated)],
> properties=props)
>
> #works
> cls.mapper.properties = {}
> for t in session.query(cls.mapper).limit(10).offset(0).list():
> print t.id, t.title, t.props_cnt
>
> # works
> for t in select([jjj], from_obj=[jjj],
> limit=10, offset=0).execute(bind_to=session.bind_to):
> print t.id, t.title, t.props_cnt
>
> orm.clear_mapper(cls.mapper)
> cls.mapper = mapper( cls, jjj, order_by=[desc(task_t.c.updated)],
> properties=props)
>
> # not works
> for t in session.query(cls.mapper).limit(10).offset(0).list():
> print t.id, t.title, t.props_cnt
>
>
> >
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