#9227: The modeltests/serializer unit test case fails due to missing author 
record
with id=4
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          Reporter:  egenix_viktor <[EMAIL PROTECTED]>  |         Owner:  
nobody                                         
            Status:  closed                             |     Milestone:        
                                         
         Component:  Database layer (models, ORM)       |       Version:  1.0   
                                         
        Resolution:  invalid                            |      Keywords:  unit 
test foreign key constraint IntegrityError
             Stage:  Unreviewed                         |     Has_patch:  0     
                                         
        Needs_docs:  0                                  |   Needs_tests:  0     
                                         
Needs_better_patch:  0                                  |  
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Comment (by anonymous):

 Replying to [comment:1 russellm]:
 > This is a known problem with the MySQL database backend when using
 InnoDB tables. For some reason, InnoDB can't defer row referential
 integrity checks to the end of a transaction boundary, so you can't insert
 a forward reference. This test case works fine under Oracle and Postgres,
 which both implement row referential integrity properly.

 The bug you referred to is #3615

-- 
Ticket URL: <http://code.djangoproject.com/ticket/9227#comment:3>
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