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STRICT_PARTIAL_UPDATE=True enforce partial

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using a new configuration flag to decide if to enforce a partial update
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Christian 2022-05-14 21:39:46 +01:00 committed by GitHub
parent cdc956a96c
commit f555c79724
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1 changed files with 7 additions and 2 deletions
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7
rest_framework/serializers.py
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@ -997,13 +997,18 @@ class ModelSerializer(Serializer):
# relationships as being a special case. During updates we already # relationships as being a special case. During updates we already
# have an instance pk for the relationships to be associated with. # have an instance pk for the relationships to be associated with.
m2m_fields = [] m2m_fields = []
update_fields = []
for attr, value in validated_data.items(): for attr, value in validated_data.items():
if attr in info.relations and info.relations[attr].to_many: if attr in info.relations and info.relations[attr].to_many:
m2m_fields.append((attr, value)) m2m_fields.append((attr, value))
else: else:
setattr(instance, attr, value) setattr(instance, attr, value)
update_fields.append(attr)
instance.save() if self.partial and api_settings.STRICT_PARTIAL_UPDATE:
instance.save(update_fields=update_fields)
else:
instance.save()
# Note that many-to-many fields are set after updating instance. # Note that many-to-many fields are set after updating instance.
# Setting m2m fields triggers signals which could potentially change # Setting m2m fields triggers signals which could potentially change