switch s := src.(type) {
	case []byte:
		n, _ := strconv.Atoi(string(s))
		*i = Num(n)
	case int64:
		*i = Num(s)
	default:
		return errors.New("Cannot scan NamedInt from " + reflect.ValueOf(src).String())
	}
	return nil
}

type StringsSlice []string

func (l StringsSlice) Value() (driver.Value, error) {
	bytes, err := json.Marshal(l)
	return string(bytes), err
}

	columnTypes, err := DB.Table("user_migrate_columns").Migrator().ColumnTypes(&UserMigrateColumn2{})
	if err != nil {
		t.Fatalf("failed to get column types, got error: %v", err)
	}
	typ := reflect.Indirect(reflect.ValueOf(&UserMigrateColumn2{})).Type()
	numField := typ.NumField()
	if numField != len(columnTypes) {
		t.Fatalf("column's number not match struct and ddl, %d != %d", numField, len(columnTypes))
	}

)

func SetupUpdateReflectValue(db *gorm.DB) {
	if db.Error == nil && db.Statement.Schema != nil {
		if !db.Statement.ReflectValue.CanAddr() || db.Statement.Model != db.Statement.Dest {
			db.Statement.ReflectValue = reflect.ValueOf(db.Statement.Model)
			for db.Statement.ReflectValue.Kind() == reflect.Ptr {
				db.Statement.ReflectValue = db.Statement.ReflectValue.Elem()
			}

			if dest, ok := db.Statement.Dest.(map[string]interface{}); ok {

				} else if fv, ok := mv[field.DBName]; ok {
					return !utils.AssertEqual(fv, fieldValue)
				}
			} else {
				destValue := reflect.ValueOf(stmt.Dest)
				for destValue.Kind() == reflect.Ptr {
					destValue = destValue.Elem()
				}

				changedValue, zero := field.ValueOf(stmt.Context, destValue)
				if v {
					return !utils.AssertEqual(changedValue, fieldValue)
				}

			joinIndexValue := joinResults.Index(i)
			for idx, field := range joinForeignFields {
				fieldValues[idx], _ = field.ValueOf(tx.Statement.Context, joinIndexValue)
			}

			for idx, field := range joinRelForeignFields {
				joinFieldValues[idx], _ = field.ValueOf(tx.Statement.Context, joinIndexValue)
			}

			if results, ok := joinIdentityMap[utils.ToStringKey(fieldValues...)]; ok {

				DeletedAt: gorm.DeletedAt{Time: time.Now(), Valid: true},
			},
			Name:     "valuer_and_setter",
			Age:      18,
			Birthday: tests.Now(),
			Active:   true,
		}
		reflectValue = reflect.ValueOf(&user)
	)

	// test valuer
	values := map[string]interface{}{
		"name":       user.Name,
		"id":         user.ID,
		"created_at": user.CreatedAt,
		"updated_at": user.UpdatedAt,
		"deleted_at": user.DeletedAt,

					field.ReflectValueOf(ctx, value).Set(reflect.ValueOf(v))
				case *time.Time:
					if data != nil {
						field.ReflectValueOf(ctx, value).Set(reflect.ValueOf(data).Elem())
					} else {
						field.ReflectValueOf(ctx, value).Set(reflect.ValueOf(time.Time{}))
					}
				case string:
					if t, err := now.Parse(data); err == nil {
						field.ReflectValueOf(ctx, value).Set(reflect.ValueOf(t))
					} else {

		}

		for _, name := range []string{"Name", "Constraint"} {
			if reflect.ValueOf(result).FieldByName(name).Interface() != reflect.ValueOf(v).FieldByName(name).Interface() {
				t.Errorf(
					"check %v %v should equal, expects %v, got %v",
					k, name, reflect.ValueOf(result).FieldByName(name).Interface(), reflect.ValueOf(v).FieldByName(name).Interface(),
				)
			}
		}
	}
}

		return nil, fmt.Errorf("%w: %+v", ErrUnsupportedDataType, dest)
	}

	value := reflect.ValueOf(dest)
	if value.Kind() == reflect.Ptr && value.IsNil() {
		value = reflect.New(value.Type().Elem())
	}
	modelType := reflect.Indirect(value).Type()

	if modelType.Kind() == reflect.Interface {
		modelType = reflect.Indirect(reflect.ValueOf(dest)).Elem().Type()
	}

		if association.Relationship == nil {
			association.Error = fmt.Errorf("%w: %s", ErrUnsupportedRelation, column)
		}

		db.Statement.ReflectValue = reflect.ValueOf(db.Statement.Model)
		for db.Statement.ReflectValue.Kind() == reflect.Ptr {
			db.Statement.ReflectValue = db.Statement.ReflectValue.Elem()
		}
	} else {
		association.Error = err
	}

	return association
}