This looks strange, although I'm not familiar with exactly this particular use
case. I'm assuming you are referring to multi-table inheritance. Are you certain
Django 1.5 wasn't creating these tables? Was it using migrations or South maybe?
(Obviously I don't remember when Django started supporting migrations.) When you
say it tries to query these tables, when does it attempt to do so? Could you
post an example of a subclasss, preferably with its base class?
On 04/04/2022 09.09, John Abraham wrote:
Hello. We're migrating someone else's app that was at Django 1.5.12 and we're
trying to bring it more up-to-date, step-by-step, starting with Django 1.6.11.
There's an odd thing. There were a bunch of subclasses of a Model class, that
didn't have any database fields. Django wasn't creating nor using tables for
them at 1.5.12. But, Django 1.6.11 keeps trying to query these non-existent
tables for these subclasses, expecting them to have a single field which would
just be the pointer to their superclass.
It seems the proper way to tell Django not to use tables for a class is to set:
class Meta:
proxy = True
But if we put this in, then when we run syncdb it strangly tries to query the
base classes before any tables are created at all in the database.
Any old-timers run into anything like this? Did Django 1.5 not need the proxy
= True in the meta to avoid creating tables for subclasses of Models that
didn't add any fields?
They are using InheritanceManager from django_model_utils.
Thanks for any help! Banging our heads against the wall on this one for quite
a while now...
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