for _, key := range mapv.MapKeys() {
						k := strings.ToLower(key.String())
						if f, ok := association.Relationship.FieldSchema.FieldsByDBName[k]; ok {
							_ = f.Set(association.DB.Statement.Context, child, mapv.MapIndex(key).Interface())
						}
					}
					appendToFieldValues(child)
				}
			}

			switch rv.Kind() {
			case reflect.Map:
				processMap(rv)
			case reflect.Slice, reflect.Array: