#12028: Generic Inline doesn't validate unique_together
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               Reporter:  diverman                |         Owner:              
                                                                
                 Status:  new                     |     Milestone:  1.3         
                                                                
              Component:  Contrib apps            |       Version:  1.2         
                                                                
             Resolution:                          |      Keywords:  content 
type generic inline unique validation formset admin modeladmin model
           Triage Stage:  Design decision needed  |     Has patch:  0           
                                                                
    Needs documentation:  0                       |   Needs tests:  0           
                                                                
Patch needs improvement:  0                       |  
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Comment (by ramiro):

 Replying to [comment:9 jnns]:
 > The reason for this exception being raised is that both fields
 `content_type` and `object_id` are being excluded from the inline formset
 as a default. `_get_unique_checks()` omits the excluded fields from
 checking for unique constraints and therefore no ValidationError is raised
 during form validation.
 >
 > I don't know whether a patch is needed or if the form validation should
 be done manually in this case.

 See #13091 for what I think is the root cause of this.

-- 
Ticket URL: <http://code.djangoproject.com/ticket/12028#comment:10>
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