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Code Issues 25 Releases Wiki Activity

Simplified DeferredAttribute.__get__() a bit.

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Taoup 2020-01-29 23:06:56 +08:00 committed by GitHub
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commit efc1c73bf5
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django/db/models/query_utils.py
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@ -141,7 +141,7 @@ class DeferredAttribute:
return self
data = instance.__dict__
field_name = self.field.attname
if data.get(field_name, self) is self:
if field_name not in data:
# Let's see if the field is part of the parent chain. If so we
# might be able to reuse the already loaded value. Refs #18343.
val = self._check_parent_chain(instance)