On Thu, Sep 11, 2008 at 3:32 PM, Chris Stromberger < [EMAIL PROTECTED]> wrote:
> I'm wanting to use Django with a preexisting db. The db features a linking > table (Many to Many). I'm wondering if I need to go ahead and define a > model class for this table, or just add the ManyToMany field to one of the > linked models. Or to put it another way, is there any way to define the > relationship as a ManyToMany field w/o changing the table name/structure? > Eg, in the online book example, the ManyToMany field generates a table with > a specific name, specific fields and an auto-increment primary key. The > existing many to many table I have does not match--name is different, > obviously, and it only has the two foreign keys, both of which together form > the primary key. > Not sure how to handle this with models... > Yes, define a model class for it, and then use the 'through' argument to a ManyToMany field to define it as the model that acts as the intermediary for the ManyToMany relation. See: http://docs.djangoproject.com/en/dev/topics/db/models/#extra-fields-on-many-to-many-relationships This was added fairly recently so wouldn't be in the book. Karen --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
