(obj, field)
| 73 | return self._value_from_field(value, value._meta.pk) |
| 74 | |
| 75 | def queryset_iterator(obj, field): |
| 76 | attr = getattr(obj, field.name) |
| 77 | chunk_size = ( |
| 78 | 2000 if getattr(attr, "prefetch_cache_name", None) else None |
| 79 | ) |
| 80 | query_set = attr.all() |
| 81 | if not query_set.totally_ordered: |
| 82 | current_ordering = ( |
| 83 | query_set.query.order_by |
| 84 | or query_set.model._meta.ordering |
| 85 | or [] |
| 86 | ) |
| 87 | query_set = query_set.order_by(*current_ordering, "pk") |
| 88 | return query_set.iterator(chunk_size) |
| 89 | |
| 90 | else: |
| 91 |
nothing calls this directly
no test coverage detected