Ignore the annotations below the model...those correspond to the actual
names but I forgot to remove them.
On Tuesday, March 24, 2015 at 1:12:24 AM UTC-7, Andrew Millspaugh wrote:
>
> I've got a class hierarchy that looks something like this:
>
> [ A ] 1--------* [ B ] 1---------* [ C ] 1----------* [ D ] 1--------0..1
> [ E ] 1..*----------0..1 [ F ]
>
> org proj ticket snap
> bidlimit ticketset
>
> And I'm trying to add a relationship from A to F with a backref. The
> relationship definition (on the A model) looks like:
>
> f = DB.relationship('F',
> secondary=(
> 'join(F, E, F.id == E.f_id)'
> '.join(D, E.d_id == D.id)'
> '.join(C, D.c_id == C.id)'
> '.join(B, C.b_id == B.id)'
> ),
> primaryjoin='A.id == B.a_id',
> secondaryjoin='E.f_id == F.id',
> backref=DB.backref('a', uselist=False), viewonly=True
> )
>
> Now, if I query A.f, I get all of the F's, instead of just the ones which
> have a relationship with A. I'm sure I'm missing something simple, but I
> can't seem to find it... Any help out there?
>
>
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