Yes you can keep custom primary key. Pass `primary_key=True` in your model and Django won't create a primary key for that model.
Here are relevant docs: https://docs.djangoproject.com/en/1.9/ref/models/fields/#django.db.models.Field.primary_key On Fri, 5 Feb 2016 at 20:52 Uri Even-Chen <u...@speedy.net> wrote: > To django-developers@googlegroups.com, > > I'm a Django user and I'm working on converting Speedy Net from PHP to > Django. I would like to know if it's possible in Django to change the > primary key of Django models, such as User? I don't like the auto-increment > default primary key, it doesn't make sense, and I want to use the primary > key of users and pages also in urls. And therefore I decided that the id of > users and pages, causes, groups and events on Speedy Net will be 15 > randomly generated digits. Users who already created accounts and pages on > Speedy Net (with PHP) already have a 15-digits id, and I want to preserve > this number when converting Speedy Net to Django. Is it possible? I don't > want the id/primary key to be short (such as zuck's id on Facebook - > https://www.facebook.com/messages/4) but 15-digits long. > > Thanks, > Uri. > > *Uri Even-Chen* > [image: photo] Phone: +972-54-3995700 > Email: u...@speedy.net > Website: http://www.speedysoftware.com/uri/en/ > <http://www.facebook.com/urievenchen> > <http://plus.google.com/+urievenchen> > <http://www.linkedin.com/in/urievenchen> <http://twitter.com/urievenchen> > > > ---------- Forwarded message ---------- > From: Uri Even-Chen <u...@speedy.net> > Date: Thu, Feb 4, 2016 at 6:20 PM > Subject: ID for users of Speedy Net > To: django-us...@googlegroups.com > Cc: speedy-mail-softw...@googlegroups.com > > > To django-us...@googlegroups.com, > > I'm working on the next version of Speedy Net <http://en.speedy.net/>, > which will be based on Django 1.9.2 and Python 3.5 / 3.4. You can see the > specification of Speedy Net on > https://github.com/urievenchen/speedy-net/tree/master/speedy_net/specifications > (the > file is System Requirements Specification - Speedy Net.txt). The old code > is in PHP and can be found on > https://www.assembla.com/spaces/speedynet/subversion/source (all the > Speedy Net projects are free software and open source). According to my > specification, each user will have a unique ID of 15 digits (a > number between 100,000,000,000,000 and 999,999,999,999,999, randomly > generated), which will be unique over the system (of users, pages, groups, > causes and events). And each user will have a username, and pages, groups > and causes may also have an optional username (it's called "username" also > on Facebook). > > So my question is, can I make this random ID the primary key of the User > model? I don't want users to have 2 ids - one for Django and one of Speedy > Net, it doesn't make sense. I want the id to be the same and unique. I also > want to have an Id model to prevent a page and a user (for example) to have > the same ID. And a Username model to prevent them from having the same > username. Is it possible to do it with Django 1.9.2? > > By the way, if you want to help me develop Speedy Net, Speedy Composer, > Speedy Match or Speedy Mail, please let me know. If you want you can also > join Speedy Net and grab yourself a username at Speedy Net. I'm also > sending a copy of this message to speedy-mail-softw...@googlegroups.com, > the list of developers of the Speedy Net projects. > > I have another, off-topic question. Anyone knows how I can create a > company in Switzerland, and how much does it cost? Any links to lawyers who > can do it for me? I decided to host Speedy Net in Switzerland, because of > the privacy laws there, and I prefer a Swiss company for the same reason > (Israel is much less advanced in privacy than Europe and Switzerland). I'm > a resident and citizen of Israel, with an option to become a Spanish > citizen too. And I don't want to host private information of people in > Israel. > > Thanks, > Uri. > > *Uri Even-Chen* > [image: photo] Phone: +972-54-3995700 <+972-54-3995700> > Email: u...@speedy.net <u...@speedy.net> > Website: http://www.speedysoftware.com/uri/en/ > <http://www.speedysoftware.com/uri/en/> > <http://www.facebook.com/urievenchen> > <http://plus.google.com/+urievenchen> > <http://www.linkedin.com/in/urievenchen> <http://twitter.com/urievenchen> > > -- > You received this message because you are subscribed to the Google Groups > "Django developers (Contributions to Django itself)" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-developers+unsubscr...@googlegroups.com. > To post to this group, send email to django-developers@googlegroups.com. > Visit this group at https://groups.google.com/group/django-developers. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-developers/CAMQ2MsGMip-WreMzjrpZFxJUB3edJz9RQoiMLoo5tEwjU-7pfw%40mail.gmail.com > <https://groups.google.com/d/msgid/django-developers/CAMQ2MsGMip-WreMzjrpZFxJUB3edJz9RQoiMLoo5tEwjU-7pfw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django developers (Contributions to Django itself)" group. 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