id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 7578,error in any ORM operations after 'duplicate key violation',san@…,nobody,"create models {{{ class TestCommon(models.Model): name=models.CharField(max_length=10, unique=True) class Test1(TestCommon): num1=models.IntegerField() class Test2(TestCommon): num2=models.IntegerField() }}} then {{{ python manage.py shell >>> from mysite.cp.models import TestCommon, Test1, Test2 >>> Test1.objects.create(name='test2',num1=1) -- this works good Test1.objects.create(name='test2',num1=1) -- this returns error 'duplicate key violation' in name field Test1.objects.create(name='test3',num1=1) }}} -- now this will not work and any other request will not work too I have Checked out revision 7810. DATABASE_ENGINE = 'postgresql_psycopg2'",,closed,"Database layer (models, ORM)",dev,,invalid,,,Unreviewed,0,0,0,0,0,0