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Fixed #35044 -- Avoided clearing reverse relations and private fields when accessing deferred fields.

Browse Source 
Regression in a7b5ad8b19 for reverse
relations and possibly in 123b1d3fcf for
private fields.
This commit is contained in:
Giannis Terzopoulos
2024-02-09 23:47:06 +01:00
committed by Mariusz Felisiak
parent 74f7fe3f3d
commit 73df8b54a2
4 changed files with 75 additions and 2 deletions
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8
django/db/models/base.py
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@@ -740,12 +740,16 @@ class Model(AltersData, metaclass=ModelBase):
# Clear cached relations.
for field in self._meta.related_objects:
if field.is_cached(self):
if (fields is None or field.name in fields) and field.is_cached(self):
field.delete_cached_value(self)
# Clear cached private relations.
for field in self._meta.private_fields:
if field.is_relation and field.is_cached(self):
if (
(fields is None or field.name in fields)
and field.is_relation
and field.is_cached(self)
):
field.delete_cached_value(self)
self._state.db = db_instance._state.db