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-rw-r--r--django/db/models/sql/compiler.py8
-rw-r--r--django/db/models/sql/query.py18
2 files changed, 9 insertions, 17 deletions
diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py
index 676625df6f..7541817ba0 100644
--- a/django/db/models/sql/compiler.py
+++ b/django/db/models/sql/compiler.py
@@ -1253,21 +1253,21 @@ class SQLCompiler:
if restricted:
related_fields = [
- (o.field, o.related_model)
+ (o, o.field, o.related_model)
for o in opts.related_objects
if o.field.unique and not o.many_to_many
]
- for related_field, model in related_fields:
- related_select_mask = select_mask.get(related_field) or {}
+ for related_object, related_field, model in related_fields:
if not select_related_descend(
related_field,
restricted,
requested,
- related_select_mask,
+ select_mask,
reverse=True,
):
continue
+ related_select_mask = select_mask.get(related_object) or {}
related_field_name = related_field.related_query_name()
fields_found.add(related_field_name)
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index b3f130c0b4..c5c58b1788 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -815,19 +815,17 @@ class Query(BaseExpression):
if filtered_relation := self._filtered_relations.get(field_name):
relation = opts.get_field(filtered_relation.relation_name)
field_select_mask = select_mask.setdefault((field_name, relation), {})
- field = relation.field
else:
- reverse_rel = opts.get_field(field_name)
+ relation = opts.get_field(field_name)
# While virtual fields such as many-to-many and generic foreign
# keys cannot be effectively deferred we've historically
# allowed them to be passed to QuerySet.defer(). Ignore such
# field references until a layer of validation at mask
# alteration time will be implemented eventually.
- if not hasattr(reverse_rel, "field"):
+ if not hasattr(relation, "field"):
continue
- field = reverse_rel.field
- field_select_mask = select_mask.setdefault(field, {})
- related_model = field.model._meta.concrete_model
+ field_select_mask = select_mask.setdefault(relation, {})
+ related_model = relation.related_model._meta.concrete_model
self._get_defer_select_mask(
related_model._meta, field_mask, field_select_mask
)
@@ -840,13 +838,7 @@ class Query(BaseExpression):
# Only include fields mentioned in the mask.
for field_name, field_mask in mask.items():
field = opts.get_field(field_name)
- # Retrieve the actual field associated with reverse relationships
- # as that's what is expected in the select mask.
- if field in opts.related_objects:
- field_key = field.field
- else:
- field_key = field
- field_select_mask = select_mask.setdefault(field_key, {})
+ field_select_mask = select_mask.setdefault(field, {})
if field_mask:
if not field.is_relation:
raise FieldError(next(iter(field_mask)))