Re: [Django] #33619: Proxy model does not inherite indexes and constraints from base model

[Django]

#33619: Proxy model does not inherite indexes and constraints from base model
-+-
 Reporter:  Jaska Lee|Owner:  nobody
 Type:  Uncategorized|   Status:  closed
Component:  contrib.admin|  Version:  3.2
 Severity:  Normal   |   Resolution:  wontfix
 Keywords:  multiple model   | Triage Stage:
  admin  |  Unreviewed
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Jaska Lee):

 * resolution:  invalid => wontfix


Comment:

 hello,

 Specific meta inheritance on the proxy model does not solve the problem.
 The indexes and constraints from the base model are still missing in the
 proxy model, while other attributes seem to be successfully inherited. The
 Django version is 3.2.2.

 I am not necessarily looking for a solution for a use case here. The
 solution is clear. I was just trying to indicate how the problem occurred.

 The issue seems be rather platform related which might be worth of looking
 into.

 thanks

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Re: [Django] #33619: Proxy model does not inherite indexes and constraints from base model

[Django]

#33619: Proxy model does not inherite indexes and constraints from base model
-+-
 Reporter:  Jaska Lee|Owner:  nobody
 Type:  Uncategorized|   Status:  closed
Component:  contrib.admin|  Version:  3.2
 Severity:  Normal   |   Resolution:  invalid
 Keywords:  multiple model   | Triage Stage:
  admin  |  Unreviewed
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-

Comment (by Jaska Lee):

 alright, thanks

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Ticket URL: 
Django 
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Re: [Django] #33619: Proxy model does not inherite indexes and constraints from base model

[Django]

#33619: Proxy model does not inherite indexes and constraints from base model
-+-
 Reporter:  Jaska Lee|Owner:  nobody
 Type:  Uncategorized|   Status:  closed
Component:  contrib.admin|  Version:  3.2
 Severity:  Normal   |   Resolution:  invalid
 Keywords:  multiple model   | Triage Stage:
  admin  |  Unreviewed
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Mariusz Felisiak):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 Please don't use Trac as a support channel. You should start from checking
 [https://docs.djangoproject.com/en/4.0/topics/db/models/#meta-inheritance
 docs] about `Meta` inheritance.

 If you're having trouble understanding how Django works, see
 TicketClosingReasons/UseSupportChannels for ways to get help.

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Re: [Django] #33619: Proxy model does not inherite indexes and constraints from base model

[Django]

#33619: Proxy model does not inherite indexes and constraints from base model
-+-
 Reporter:  Jaska Lee|Owner:  nobody
 Type:  Uncategorized|   Status:  new
Component:  contrib.admin|  Version:  3.2
 Severity:  Normal   |   Resolution:
 Keywords:  multiple model   | Triage Stage:
  admin  |  Unreviewed
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Description changed by Jaska Lee:

Old description:

> Hi,
>
> I am trying to enable multiple model admins for one model. Here is the
> scenario:
>
> 1) I have a model called A that has "abstract = true";
> 2) I have a model called B that inherits model A, which has all the
> fields, constraints, indexes, etc. under Meta;
> 3) I have a model admin for model B and everything works as expected.
> 4) Now, I want to create another model admin for model B. The solution is
> to utilize a proxy model C to B as suggested at the following link,
> https://stackoverflow.com/questions/2223375/multiple-modeladmins-views-
> for-same-model-in-django-admin
>
> The problem is that the proxy model C does not inherit constraints,
> indexes from model B. And my app has some extra logic to check index and
> constraint definition, the absence of which caused some problems
> apparently.
>
> It is intended behavior of proxy model? If it is, is there any other way
> to create multiple admins for one model?
>
> Thanks very much,
> Jaska

New description:

 Hi,

 I am trying to enable multiple model admins for one model. Here is the
 scenario:

 1) I have a model called A that has "abstract = true";
 2) I have a model called B that inherits model A, which has all the
 fields, constraints, indexes, etc. under Meta;
 3) I have a model admin for model B and everything works as expected.
 4) Now, I want to create another model admin for model B. The solution is
 to utilize a proxy model C to B as suggested at the following link,
 https://stackoverflow.com/questions/2223375/multiple-modeladmins-views-
 for-same-model-in-django-admin

 The problem is that the proxy model C does not inherit constraints,
 indexes from model B. And my app has some extra logic to check index and
 constraint definition, the absence of which caused some problems
 apparently.

 Is it intended behavior of proxy model? If it is, is there any other way
 to create multiple admins for one model?

 Thanks very much,
 Jaska

--

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Ticket URL: 
Django 
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