}

	if err := DB.Create(&data).Error; err != nil {
		t.Fatalf("No error should happened when create scanner valuer struct, but got %v", err)
	}

	var result ScannerValuerStruct

	if err := DB.Find(&result, "id = ?", data.ID).Error; err != nil {
		t.Fatalf("no error should happen when query scanner, valuer struct, but got %v", err)
	}

	if result.ExampleStructPtr.Val != "value2" {

				CreatedAt: time.Now(),
				UpdatedAt: time.Now(),
				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,

		}
	}

	conds := make([]clause.Expression, 0, 4)
	args = append([]interface{}{query}, args...)
	for idx, arg := range args {
		if arg == nil {
			continue
		}
		if valuer, ok := arg.(driver.Valuer); ok {
			arg, _ = valuer.Value()
		}

		switch v := arg.(type) {
		case clause.Expression:
			conds = append(conds, v)
		case *DB:
			v.executeScopes()

	}

	AssertEqual(t, r.Statement.Vars, []interface{}{2, 4, 1, 3})
}

type UserWithTableNamer struct {
	gorm.Model
	Name string
}

func (UserWithTableNamer) TableName(namer schema.Namer) string {
	return namer.TableName("user")
}

func TestTableWithNamer(t *testing.T) {
	db, _ := gorm.Open(tests.DummyDialector{}, &gorm.Config{
		NamingStrategy: schema.NamingStrategy{
			TablePrefix: "t_",
		},

	}

	fieldValue := reflect.New(field.IndirectFieldType)
	// if field is valuer, used its value or first field as data type
	valuer, isValuer := fieldValue.Interface().(driver.Valuer)
	if isValuer {
		if _, ok := fieldValue.Interface().(GormDataTypeInterface); !ok {
			if v, err := valuer.Value(); reflect.ValueOf(v).IsValid() && err == nil {
				fieldValue = reflect.ValueOf(v)
			}

		Tag:  `gorm:"-"`,
	})

	if relation.JoinTable, err = Parse(reflect.New(reflect.StructOf(joinTableFields)).Interface(), schema.cacheStore,
		schema.namer); err != nil {
		schema.err = err
	}
	relation.JoinTable.Name = many2many
	relation.JoinTable.Table = schema.namer.JoinTableName(many2many)
	relation.JoinTable.PrimaryFields = make([]*Field, 0, len(relation.JoinTable.Fields))

	relName := relation.Schema.Name

}

type Tabler interface {
	TableName() string
}

type TablerWithNamer interface {
	TableName(Namer) string
}

// Parse get data type from dialector
func Parse(dest interface{}, cacheStore *sync.Map, namer Namer) (*Schema, error) {
	return ParseWithSpecialTableName(dest, cacheStore, namer, "")
}

// ParseWithSpecialTableName get data type from dialector with extra schema table

	// You can disable it by setting `SkipDefaultTransaction` to true
	SkipDefaultTransaction bool
	// NamingStrategy tables, columns naming strategy
	NamingStrategy schema.Namer
	// FullSaveAssociations full save associations
	FullSaveAssociations bool
	// Logger
	Logger logger.Interface
	// NowFunc the function to be used when creating a new timestamp
	NowFunc func() time.Time

		if reflectValue := reflect.Indirect(reflect.Indirect(reflect.ValueOf(values[idx]))); reflectValue.IsValid() {
			mapValue[column] = reflectValue.Interface()
			if valuer, ok := mapValue[column].(driver.Valuer); ok {
				mapValue[column], _ = valuer.Value()
			} else if b, ok := mapValue[column].(sql.RawBytes); ok {
				mapValue[column] = string(b)
			}
		} else {
			mapValue[column] = nil
		}
	}
}