Failure to delete test cases when the number of test cases in the test plan is greater than 100

[radiateboy]

https://public.tenant.kiwitcms.org/plan/2408/test-mou-yan-ce-shi-ji-hua#reviewcases

Description of problem

1. add test case in test plan and test cases greater than 100
2. select all cases and delete all.
   

[atodorov]

Reported as KIWI-TCMS-8F on Sentry

InvalidQuery: Field TestCase.case_status cannot be both deferred and traversed using select_related at the same time.
  File "django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "django/core/handlers/base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "django/core/handlers/base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "django/views/generic/base.py", line 71, in view
    return self.dispatch(request, *args, **kwargs)
  File "django/views/generic/base.py", line 97, in dispatch
    return handler(request, *args, **kwargs)
  File "tcms/testplans/views.py", line 503, in post
    for case in cases:
  File "django/db/models/query.py", line 274, in __iter__
    self._fetch_all()
  File "django/db/models/query.py", line 1242, in _fetch_all
    self._result_cache = list(self._iterable_class(self))
  File "django/db/models/query.py", line 55, in __iter__
    results = compiler.execute_sql(chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size)
  File "django/db/models/sql/compiler.py", line 1087, in execute_sql
    sql, params = self.as_sql()
  File "django/db/models/sql/compiler.py", line 474, in as_sql
    extra_select, order_by, group_by = self.pre_sql_setup()
  File "django/db/models/sql/compiler.py", line 54, in pre_sql_setup
    self.setup_query()
  File "django/db/models/sql/compiler.py", line 45, in setup_query
    self.select, self.klass_info, self.annotation_col_map = self.get_select()
  File "django/db/models/sql/compiler.py", line 240, in get_select
    related_klass_infos = self.get_related_selections(select)
  File "django/db/models/sql/compiler.py", line 830, in get_related_selections
    only_load.get(field_model)):
  File "django/db/models/query_utils.py", line 253, in select_related_descend
    (field.model._meta.object_name, field.name))

@RMadjev want to give this a try ?

[RMadjev]

Sure.