On May 18, 2009, at 8:51 AM, fleong wrote:

> t = Table1()
> t.id = 0
>
> tex = TableEx22()
> tex.id = 0
>
> s.add(t)
> s.add(tex)
> s.commit()
>
> t21 = Table21()
> t21.id2 = 0
> t21.t1 = t
> s.add(t21)
> s.commit()
>
> t22 = Table22()
> t22.id2 = 1
> t22.t1 = t
> t22.tex = tex
> s.add(t22)
> s.commit()
>
> for i in tex.t22:
>    print type(i)
>
>>> [0]
> <class '__main__.Table21'>
> <class '__main__.Table22'>

TableEx22.t22, despite the name, references the Table2 class.   You  
probably want that to reference Table22.  the result is still strange,  
but this whole program contains typos and doesn't even run when they  
are corrected, so for further help you'd have to post the actual test  
case.



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