Nis Jørgensen skrev: > [EMAIL PROTECTED] skrev: > >> OK, fixed the above problem -- figured out that it was related to my >> setting unique=True on a field. But that raises the larger question... >> >> I have a bit of data that may or may not exist... a identifier on the >> user that not all users will have, but if they DO have it, it needs to >> be unique to that user. Apparently, unique=True isn't what I want, >> because the second user without it throws the above duplicate entry >> error, so how do I handle that? >> >> > I believe the behavior depends on your database backend. Postgresql does > what you want. > > Postgresql is, AFAICT, complying with at least one of the SQL standards > (but I don't have a copy of those) > It seems mysql 5 works the same way as postgres - and it seems the error message you quoted was from postgres.
It seems to me you do not have null=True set for the Field. Thus blank values are stored as empty strings, which unlike NULLS are equal to each other. /Nis --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---