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 28944 Chaining values()/values_list() after QuerySet.select_for_update(of=()) crashes Thierry Bastian "With any of my models, if I do the following: {{{ model.objects.select_for_update(of=('self',)).values_list('pk') }}} I'm getting the following exception: {{{ Traceback (most recent call last): File """", line 2, in File ""/usr/local/filewave/python/lib/python3.6/site-packages/django/db/models/query.py"", line 272, in __iter__ self._fetch_all() File ""/usr/local/filewave/python/lib/python3.6/site-packages/django/db/models/query.py"", line 1179, in _fetch_all self._result_cache = list(self._iterable_class(self)) File ""/usr/local/filewave/python/lib/python3.6/site-packages/django/db/models/query.py"", line 139, in __iter__ return compiler.results_iter(tuple_expected=True, chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size) File ""/usr/local/filewave/python/lib/python3.6/site-packages/django/db/models/sql/compiler.py"", line 1014, in results_iter results = self.execute_sql(MULTI, chunked_fetch=chunked_fetch, chunk_size=chunk_size) File ""/usr/local/filewave/python/lib/python3.6/site-packages/django/db/models/sql/compiler.py"", line 1050, in execute_sql sql, params = self.as_sql() File ""/usr/local/filewave/python/lib/python3.6/site-packages/django/db/models/sql/compiler.py"", line 507, in as_sql of=self.get_select_for_update_of_arguments(), File ""/usr/local/filewave/python/lib/python3.6/site-packages/django/db/models/sql/compiler.py"", line 961, in get_select_for_update_of_arguments ', '.join(_get_field_choices()), File ""/usr/local/filewave/python/lib/python3.6/site-packages/django/db/models/sql/compiler.py"", line 928, in _get_field_choices for klass_info in klass_info.get('related_klass_infos', []) AttributeError: 'NoneType' object has no attribute 'get' }}} " Bug new Database layer (models, ORM) dev Normal Ran Benita Can Sarıgöl Accepted 1 0 0 1 0 0