Does '%(class)s_hosts' represent the reverse relationship of
'%(class)s_hostgroup' like:
HostGroups <-> Hosts
Or is a tree-like structure like:
... <-> HostGroups1 <-> Hosts1 <-> HostGroups2 <-> Hosts2 <-> ....
Where HostGroup2 has a relationship to Hosts1 and a separate
relationship to Hosts2?
--
Michael <mhall...@gmail.com>
On Fri, 2011-02-04 at 10:24 -0800, Mike Lindsey wrote:
> On 2/3/11 11:22 PM, Gert Van Gool wrote:
> > Can you give an example of the model(s) you're talking about?
> >
> Certainly. Simplified and stripped version:
>
> class HostGroup(models.Model):
> hosts = models.ManyToManyField('Host', blank=True, null=True,
> related_name='%(class)s_hosts',
> db_table='config_host_hostgroups')
> class Host(models.Model):
> hostgroup = models.ManyToManyField('HostGroup', blank=True,
> null=True,
> related_name='%(class)s_hostgroups',
> db_table='config_host_hostgroups')
>
> I'm manipulating the data via standard admin forms, with fieldsets and
> filter_horizontal.
>
> All the other options I've come across for this kind of data model don't
> work with fieldsets OR filter_horizontal.
> > On Thu, Feb 3, 2011 at 22:36, Mike Lindsey<mike-dja...@5dninja.net> wrote:
> >> I'm doing something with bidirectional ManyToManyFields, in a project
> >> I'm working on, that is resulting in duplicate attempts to create the
> >> intermediate tables. I'm perfectly open to suggestions of "You're
> >> doing it wrong" if they come with advice on how to fix my problem,
> >> without losing the easy Admin insertion of the relationships (without
> >> resorting to InLines, which don't seem to play nicely at all with
> >> FieldSets). Right now I'm getting around the problem by running
> >> syncdb, running dbshell to drop the table it complains about, and
> >> rerunning syncdb; repeating until syncdb finishes successfully.
> >>
> >> What would make this exceptionally easy, is if there was the option to
> >> set 'abstract=True' on second iteration of each of the
> >> ManyToManyFields, telling syncdb to not attempt to create it.
> >>
> >> Thoughts?
> >>
> >> --
> >> Mike Lindsey
> >>
> >> --
> >> You received this message because you are subscribed to the Google Groups
> >> "Django developers" group.
> >> To post to this group, send email to django-developers@googlegroups.com.
> >> To unsubscribe from this group, send email to
> >> django-developers+unsubscr...@googlegroups.com.
> >> For more options, visit this group at
> >> http://groups.google.com/group/django-developers?hl=en.
> >>
> >>
>
>
> --
> --
> Mike Lindsey
>
--
You received this message because you are subscribed to the Google Groups
"Django developers" group.
To post to this group, send email to django-developers@googlegroups.com.
To unsubscribe from this group, send email to
django-developers+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/django-developers?hl=en.
