On 04/04/06, Russell Keith-Magee <[EMAIL PROTECTED]> wrote:
>
> Firstly: You can forward reference a model by using its name as a string (
> e.g., ForeignKey("foo") works, in the same way that ForeignKey("self")
> works). However, IIRC, this only works with ForeignKeys in 0.91. In
> magic-removal, this has been fixed to encompass all field types.
Hmm... trying it like that brings up this error.
AssertionError: ForeignKey('Relationship') is invalid. First parameter
to ForeignKey must be either a model or the string 'self'
So it must be completly limited to magic removal.
> Second: To build an annotated m2m relation, what you probably want to do is
> something like:
>
> class Foo(Model):
> data = meta.CharField()
>
> class Relation(Model):
> from = ForeignKey(Foo, related_name="from")
> to = ForeignKey(Foo, related_name="to")
> data = meta.CharField()
Yeah, that's what I've done except with OneToOneField for from. I'll
refactor when some of magic-removal is reintroduced into the trunk.
Thanks,
Frankie.
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