On Mar 4, 2008, at 5:32 PM, Jonathan Vanasco wrote:

>
> this is self explanatory, but error is below
>
> i'm using sqlalchemy to reflect a table. it reads it fine.
> when i try to assign a mapper, i get "has no attribute '_class_state'"
>
> looking at orm.mapper.py
>
> 734:
>        if self.non_primary:
>            self._class_state = self.class_._class_state
>            _mapper_registry[self] = True
>            return
>
>
> if i look at the dict around 735, self.class_._class_state not set
>
> i couldn't find where self.class_._class_state was set elsewhere in
> the code
>
> is this a bug?  could something else be at fault?
>

its a semi bug, you need to set up a "primary" mapper first.  the  
"non_primary" flag should be raising an error if theres no "primary"  
mapper set up.




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