def add_field(self, name: str, field: Field):
if name in self.fields_map:
raise ConfigurationError(f"Field {name} already present in meta")
field.model_field_name = name
field.model = self._model
self.fields_map[name] = field
if field.has_db_column:
if not field.db_column:
field.db_column = name
self.field_to_db_column_name_map[name] = field.db_column
def add_field(self, name: str, value: Field) -> None:
if name in self.fields_map:
raise ConfigurationError(f"Field {name} already present in meta")
value.model = self._model
self.fields_map[name] = value
if value.has_db_field:
self.fields_db_projection[name] = value.source_field or name
if isinstance(value, ManyToManyFieldInstance):
self.m2m_fields.add(name)
elif isinstance(value, BackwardOneToOneRelation):
self.backward_o2o_fields.add(name)
elif isinstance(value, BackwardFKRelation):
self.backward_fk_fields.add(name)
field_filters = get_filters_for_field(field_name=name,
field=value,
source_field=value.source_field
or name)
self._filters.update(field_filters)
self.finalise_fields()