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add prefetch ignores #125

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add prefetch ignores #125

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10 changes: 8 additions & 2 deletions rest_flex_fields/filter_backends.py
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Original file line number Diff line number Diff line change
Expand Up @@ -227,13 +227,19 @@ def filter_queryset(

queryset = queryset.prefetch_related(*(
model_field.name for model_field in nested_model_fields if
(model_field.is_relation and not model_field.many_to_one) or
(model_field.is_relation and model_field.many_to_one and not model_field.concrete) # Include GenericForeignKey)
(
(model_field.is_relation and not model_field.many_to_one) or
(model_field.is_relation and model_field.many_to_one and not model_field.concrete) # Include GenericForeignKey)
) and
(model_field.name not in self._get_prefetches_ignores())
)
)

return queryset

def _get_prefetches_ignores(self):
return []

@staticmethod
@lru_cache()
def _get_field(field_name: str, model: models.Model) -> Optional[models.Field]:
Expand Down