Sanjay! On 11 April 2013 18:00, Sanjay Bhangar <[email protected]> wrote: > Lachlan, > > Not sure if I grokked your problem exactly, but just from personal > experience when I found my brain turned to jelly with a similar-sounding > issue before, I believe I found the answer in the "symmetrical=False" option > .. I do believe setting symmetrical=False for your 'parents' and 'children' > fields maybe a good first step toward figuring this out -- I did find that > automatic creation of symmetrical relations in this case to be a bit > confusing if you aren't expecting it. And, also, just thinking about it -- > do you actually need two separate fields for parents and children? Why not > just -- > > children = models.ManyToManyField("self", related_name='parents', > verbose_name="Children", symmetrical=False, null=True, blank=True)
Good point - although potentially Mike's answer is good too - to have a through table that describes each relationship ...But now that I think about it, I don't want to store any more information about the relationship, so potentially Mike's solution is too broad/abstract. > Tbh, still not sure why your above example did not work: >>>> bob = Account(first_name="bob",last_name="sanders",gender='M') >>>> sarah = Account(first_name="sarah",last_name="sanders",gender='F') >>>> bob.siblings.add(sarah) > > This is not something silly like needing to call bob.save() and sarah.save() > before adding the m2m, is it ? Ah, yes. That was it. "Buggrit, buggrem, see if i don't! Millenium hand and shrimp!" cheers L. -- The new creativity is pointing, not making. Likewise, in the future, the best writers will be the best information managers. http://www.theawl.com/2013/02/an-interview-with-avant-garde-poet-kenneth-goldsmith -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/django-users?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
