Re: How to use an optional ForeignKey to sites.Site and admin's "View on site"?

...
> Hi,
>
> I have a model which has a ForeignKey to the Django contrib sites.Site model. This field should be optional.
>
If it is optional it is not a foreign key. You can put a constraint on
the field to have a non-null value be present in the other table, and
perhaps there is a way to do this from a django model but I haven't
looked at that.

hth

- Tom

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