I don't think this is a problem, we could validate that the backend supports it during save then blow up if we detect it doesn't. I think we do that for truncation on MySQL. If the model specifies something that the db doesn't support it's a configuration problem, not a user validation problem.
Sent from my iPhone > On Feb 28, 2016, at 6:23 PM, Florian Apolloner <f.apollo...@gmail.com> wrote: > > > >> On Sunday, February 28, 2016 at 9:57:27 AM UTC+1, Luke Plant wrote: >> We could also potentially add another sentinel like >> DB_MAX_UNICODE_SAFE_LENGTH that works as you expect and is clearly >> documented, for the sake of 3rd party apps, and comes with the caveat that >> it produces different behaviour on different databases. > > This is simply not an option as someone (I think Aymeric) already pointed > out. Technically we do not know DB_MAX_UNICODE_SAFE_LENGTH till the call of > model.save (since you can supply a using argument there), this means forms > will never know the max length and could not perform any validation. > -- > 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/b744bca5-e02e-411e-b9b6-971213aafaa3%40googlegroups.com. > 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. 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/5F8A3D88-9CF4-4800-BA65-61D658EB34F2%40gmail.com. For more options, visit https://groups.google.com/d/optout.
