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Code Issues 32 Releases Wiki Activity

Fixed #35950 -- Restored refreshing of relations when fields deferred.

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Thank you to Simon Charette and Sarah Boyce for the review.

Regression in 73df8b54a2.
This commit is contained in:
Adam Johnson
2024-11-30 08:03:55 +00:00
committed by Sarah Boyce
parent 32b9e00b0c
commit 2f6b096b83
4 changed files with 31 additions and 9 deletions
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19
django/db/models/base.py
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@@ -726,12 +726,13 @@ class Model(AltersData, metaclass=ModelBase):
if fields is not None:
db_instance_qs = db_instance_qs.only(*fields)
elif deferred_fields:
fields = {
f.attname
for f in self._meta.concrete_fields
if f.attname not in deferred_fields
}
db_instance_qs = db_instance_qs.only(*fields)
db_instance_qs = db_instance_qs.only(
*{
f.attname
for f in self._meta.concrete_fields
if f.attname not in deferred_fields
}
)
db_instance = db_instance_qs.get()
non_loaded_fields = db_instance.get_deferred_fields()
@@ -748,9 +749,9 @@ class Model(AltersData, metaclass=ModelBase):
field.delete_cached_value(self)
# Clear cached relations.
for field in self._meta.related_objects:
if (fields is None or field.name in fields) and field.is_cached(self):
field.delete_cached_value(self)
for rel in self._meta.related_objects:
if (fields is None or rel.name in fields) and rel.is_cached(self):
rel.delete_cached_value(self)
# Clear cached private relations.
for field in self._meta.private_fields: