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| author | Claude Paroz <claude@2xlibre.net> | 2017-04-19 10:24:22 +0200 |
|---|---|---|
| committer | Claude Paroz <claude@2xlibre.net> | 2017-04-19 19:37:13 +0200 |
| commit | 61e883c7c268f3460a85be1c66ea1773711cd6c7 (patch) | |
| tree | dbecd119fdc40a1dd6efd99dfd2f128be04d48c3 /django | |
| parent | cf1e682c8c68d7187c34f46f2717b22f830d92a1 (diff) | |
[1.11.x] Fixed #28096 -- Allowed prefetch calls with ModelIterable subclasses
Regression in 7ec330eeb96d0874949eacb8ed1bbb97e11807e1.
Thanks Tim Graham for the review.
Backport of 43b4a1618ed85151494d68778a1bb6304ce1cb79 from master.
Diffstat (limited to 'django')
| -rw-r--r-- | django/db/models/query.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/django/db/models/query.py b/django/db/models/query.py index f9534f3700..5069c419d1 100644 --- a/django/db/models/query.py +++ b/django/db/models/query.py @@ -1305,7 +1305,7 @@ class Prefetch(object): self.prefetch_through = lookup # `prefetch_to` is the path to the attribute that stores the result. self.prefetch_to = lookup - if queryset is not None and queryset._iterable_class is not ModelIterable: + if queryset is not None and not issubclass(queryset._iterable_class, ModelIterable): raise ValueError('Prefetch querysets cannot use values().') if to_attr: self.prefetch_to = LOOKUP_SEP.join(lookup.split(LOOKUP_SEP)[:-1] + [to_attr]) |