diff options
Diffstat (limited to 'django/db/models/sql')
| -rw-r--r-- | django/db/models/sql/query.py | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index 6bfd454080..8c3ed06040 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -214,6 +214,10 @@ class Query: self._annotations = OrderedDict() return self._annotations + @property + def has_select_fields(self): + return bool(self.select or self.annotation_select_mask or self.extra_select_mask) + def __str__(self): """ Return the query as a string of SQL with the parameter values @@ -326,7 +330,6 @@ class Query: if hasattr(obj, '_setup_query'): obj._setup_query() obj.context = self.context.copy() - obj._forced_pk = getattr(self, '_forced_pk', False) return obj def add_context(self, key, value): @@ -1060,10 +1063,7 @@ class Query: # opts would be Author's (from the author field) and value.model # would be Author.objects.all() queryset's .model (Author also). # The field is the related field on the lhs side. - # If _forced_pk isn't set, this isn't a queryset query or values() - # or values_list() was specified by the developer in which case - # that choice is trusted. - if (getattr(value, '_forced_pk', False) and + if (isinstance(value, Query) and not value.has_select_fields and not check_rel_lookup_compatibility(value.model, opts, field)): raise ValueError( 'Cannot use QuerySet for "%s": Use a QuerySet for "%s".' % |