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Fixed #23396 -- Ensured ValueQuerySets are not checked by check_related_objects.

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Gabe Jackson 2014-09-02 15:30:53 +02:00 • committed by Tim Graham
parent 3a34e45fdb
commit 0e16c3e3cd
3 changed files with 35 additions and 15 deletions
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16
django/db/models/query.py
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@ -1052,6 +1052,15 @@ class QuerySet(object):
"""
return self.query.has_filters()
def is_compatible_query_object_type(self, opts):
model = self.model
return (
model == opts.concrete_model or
opts.concrete_model in model._meta.get_parent_list() or
model in opts.get_parent_list()
)
is_compatible_query_object_type.queryset_only = True
class InstanceCheckMeta(type):
def __instancecheck__(self, instance):
@ -1209,6 +1218,13 @@ class ValuesQuerySet(QuerySet):
% self.__class__.__name__)
return self
def is_compatible_query_object_type(self, opts):
"""
ValueQuerySets do not need to be checked for compatibility.
We trust that users of ValueQuerySets know what they are doing.
"""
return True
class ValuesListQuerySet(ValuesQuerySet):
def iterator(self):