I'm using Postgresql does CharField unique solves problem of uniqueness , can we work with uuid model.
On Wed, Apr 7, 2021 at 6:51 PM Derek <gamesb...@gmail.com> wrote: > Are you using MySQL? > > > https://stackoverflow.com/questions/3712222/does-mysql-ignore-null-values-on-unique-constraints > > > On Wednesday, 7 April 2021 at 08:07:35 UTC+2 Mike Dewhirst wrote: > >> I have just made a CharField unique and Django detects duplicates nicely >> but seems to ignore multiple instances where the field value is null. >> >> arn = models.CharField( >> max_length=MEDIUM, >> unique=True, >> null=True, >> blank=True, >> ) >> >> Is this correct behaviour? >> >> Thanks >> >> Mike >> >> >> >> -- >> Signed email is an absolute defence against phishing. This email has >> been signed with my private key. If you import my public key you can >> automatically decrypt my signature and be sure it came from me. Just >> ask and I'll send it to you. Your email software can handle signing. >> >> -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/efd40f22-50d8-4250-9738-95d2152e68ecn%40googlegroups.com > <https://groups.google.com/d/msgid/django-users/efd40f22-50d8-4250-9738-95d2152e68ecn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Best Regards, Bikash Poudel -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAE0sOGzZbTGgvQoo3zHPc3GmDriCrzCDHKs6NUmxc1F21gG-cQ%40mail.gmail.com.
