async def _execute(self) -> MODEL:
instance_list = await self.queryset
if not instance_list:
raise DoesNotExist("Object does not exist")
if len(instance_list) == 1:
return instance_list[0]
raise MultipleObjectsReturned(
"Multiple objects returned, expected exactly one")
async def _execute(self) -> Optional[MODEL]:
instance_list = await self.queryset
if not instance_list:
return None
if len(instance_list) == 1:
return instance_list[0]
raise MultipleObjectsReturned(
"Multiple objects returned, expected exactly one")
async def _execute(self) -> List[MODEL]:
instance_list = await self._db.executor_class(
model=self.model,
db=self._db,
prefetch_map=self._prefetch_map,
prefetch_queries=self._prefetch_queries,
).execute_select(self.query, custom_fields=list(self._annotations.keys()))
if self._single:
if len(instance_list) == 1:
return instance_list[0]
if not instance_list:
if self._raise_does_not_exist:
raise DoesNotExist("Object does not exist")
return None # type: ignore
raise MultipleObjectsReturned("Multiple objects returned, expected exactly one")
return instance_list
async def _execute(self):
self.query = self._make_query()
instance_list = await self._db.executor_class(
model=self.model,
db=self._db,
prefetch_map=self._prefetch_map,
prefetch_queries=self._prefetch_queries,
).execute_select(self.query,
custom_fields=list(self._annotations.keys()))
if not instance_list:
if self._get:
raise DoesNotExist('Object does not exist')
if self._single:
return None
return []
elif self._get:
if len(instance_list) > 1:
raise MultipleObjectsReturned(
'Multiple objects returned, expected exactly one')
return instance_list[0]
elif self._single:
return instance_list[0]
return instance_list