On Thursday, June 21, 2012 4:37:35 AM UTC-6, Melvyn Sopacua wrote: > > Which is /exactly/ why I mention it. If the default value is inserted > instead of an empty string, you can pre-insert the default value and > have it linked to an invalid entry. Any attempts to insert the default > value on the primary key of the linked model will trigger an integrity > error. Any models referencing the pre-inserted "invalid key" can now be > identified and relinked properly. >
Then all your application logic and views have to be written to ignore the invalid entry. It seems a lot simpler and less error-prone to just tweak the DDL to add a "NOT NULL" constraint. -- You received this message because you are subscribed to the Google Groups "Django users" group. To view this discussion on the web visit https://groups.google.com/d/msg/django-users/-/9dWmb4ori3EJ. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.