tx.Statement.attrs = attrs
	return
}

// Assign provide attributes used in [FirstOrCreate] or [FirstOrInit]
//
// Assign adds attributes even if the record is found. If using FirstOrCreate, this means that
// records will be updated even if they are found.
//
//	// assign an email regardless of if the record is not found
//	db.Where(User{Name: "non_existing"}).Assign(User{Email: "******@****.***"}).FirstOrInit(&user)

			fieldValues[idx], _ = field.ValueOf(tx.Statement.Context, elem)
		}

		datas, ok := identityMap[utils.ToStringKey(fieldValues...)]
		if !ok {
			return fmt.Errorf("failed to assign association %#v, make sure foreign fields exists", elem.Interface())
		}

		for _, data := range datas {
			reflectFieldValue := rel.Field.ReflectValueOf(tx.Statement.Context, data)