On Oct 6, 2:56 pm, Daniel Roseman <dan...@roseman.org.uk> wrote:
> Does that field need to be unique on its own?

Yes it does.  And I also don't want the clients of this model to know
that they could be accessing the model's ID when they access the field
in question.

I suppose what I could do is have the field be either NULL or a unique
value.  If the field is NULL, I can return the model ID instead when I
need to access that field.

However, this is a string field I'm working with so it'll normally get
set to an empty string if I don't give it a value.  Could I just set
the field to NULL (None) in the model's save() method whenever it's an
empty string?
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