How would the raw_id_fields then work? Would that then turn them into 
selects again or would that be another setting?

If you want it in your whole project you could just extend the ModelAdmin 
and make the raw_id_fields a property that returns all the fields then use 
that as a base class for all your ModelAdmins, 
looking at the code the check if it is a foreignkey happens before that in 
all cases, so having non foreignkey fields in the list shouldn't matter.

On Wednesday, 16 January 2019 23:02:57 UTC+1, Santiago Basulto wrote:
> Hey folks, I was about to submit a ticket but i thought it might be better 
> to ask everybody for opinions on the matter first. I am running a couple of 
> medium (not even large) Django websites (around +20K users) and we rely on 
> the admin heavily. We have multiple models pointing to Users (or other 
> derived models) and every time we create a new model, we MUST remember to 
> include User in `raw_id_fields` for that model. If we forget to do so, the 
> whole testing site crashes when the whole `SELECT * FROM User` query is run.
> To add to the problem, some derived models (for example Customer) include 
> in their `__str__` both the User + something else. Think about the model 
> Customer in this way:
> class Customer(models.Model):
>     user = models.ForeignKey(User)
>     plan = models.ForeignKey(Plan)
>     def __str__(self):
>         return f"{self.user} - {self.plan}"
> (Not a real example, but to make the point)
> Imagine any other model with an FK to Customer, an `Inquiry`, for example. 
> If you open the `Inquiry` add/change page on the admin, the whole thing 
> will blow up.
> I know the related select field is an amazing feature, and looks slick on 
> the admin when starting a new Django projects (specially for beginners), 
> but it just doesn't scale for large websites.
> *My proposal*
> I think just a project-wide setting `settings.ADMIN_DEFAULT_FK_WIDGET = 
> [raw|select]` would work and help us (running a medium/large site) a lot.
> What do you think? 
> Thanks for all the support, this community rocks 🤘!
> PS: I can create a ticket if that's a better medium of discussion, just 
> let me know?

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