switch db.Statement.ReflectValue.Kind() {
		case reflect.Slice, reflect.Array:
			db.Statement.CurDestIndex = 0
			for i := 0; i < db.Statement.ReflectValue.Len(); i++ {
				if value := reflect.Indirect(db.Statement.ReflectValue.Index(i)); value.CanAddr() {
					fc(value.Addr().Interface(), tx)
				} else {
					db.AddError(gorm.ErrInvalidValue)
					return
				}
				db.Statement.CurDestIndex++
			}
		case reflect.Struct:

						reflectValue.SetLen(rv.Len())
						for i := 0; i < rv.Len(); i++ {
							frv := rel.Field.ReflectValueOf(db.Statement.Context, rv.Index(i))
							if frv.Kind() != reflect.Ptr {
								reflectValue.Index(i).Set(frv.Addr())
							} else {
								reflectValue.Index(i).Set(frv)
							}
						}

						tx := preloadDB(db, reflectValue, reflectValue.Interface())

* Developer Friendly

## Getting Started

* GORM Guides [https://gorm.io](https://gorm.io)
* Gen Guides [https://gorm.io/gen/index.html](https://gorm.io/gen/index.html)

## Contributing

[You can help to deliver a better GORM, check out things you can do](https://gorm.io/contribute.html)

## Contributors

[Thank you](https://github.com/go-gorm/gorm/graphs/contributors) for contributing to the GORM framework!

				if len(fromCallbacks) > 0 {
					for i := 0; i < stmt.ReflectValue.Len(); i++ {
						stmt.AddError(field.Set(stmt.Context, stmt.ReflectValue.Index(i), value))
					}
				} else {
					stmt.AddError(field.Set(stmt.Context, stmt.ReflectValue.Index(stmt.CurDestIndex), value))
				}
			case reflect.Struct:
				if !stmt.ReflectValue.CanAddr() {
					stmt.AddError(ErrInvalidValue)
					return
				}

	Admin        *mybool
}

type BaseModel struct {
	ID        uint
	CreatedAt time.Time
	CreatedBy *int
	Created   *VersionUser `gorm:"foreignKey:CreatedBy"`
	UpdatedAt time.Time
	DeletedAt gorm.DeletedAt `gorm:"index"`
}

type VersionModel struct {
	BaseModel
	Version int
}

type VersionUser struct {
	VersionModel
	Name     string
	Age      uint
	Birthday *time.Time

		assignValue = func(field *schema.Field, value interface{}) {
			for i := 0; i < stmt.ReflectValue.Len(); i++ {
				if stmt.ReflectValue.CanAddr() {
					field.Set(stmt.Context, stmt.ReflectValue.Index(i), value)
				}
			}
		}
	case reflect.Struct:
		assignValue = func(field *schema.Field, value interface{}) {
			if stmt.ReflectValue.CanAddr() {
				field.Set(stmt.Context, stmt.ReflectValue, value)
			}

	if v.Kind() == reflect.Ptr {
		v = v.Elem()
	}

	switch v.Kind() {
	case reflect.Slice, reflect.Array:
		loaded = true
		for i := 0; i < v.Len(); i++ {
			if !loadOrStoreVisitMap(visitMap, v.Index(i)) {
				loaded = false
			}
		}
	case reflect.Struct, reflect.Interface:
		if v.CanAddr() {
			p := v.Addr()
			if _, ok := (*visitMap)[p]; ok {
				return true
			}
			(*visitMap)[p] = true

		{Name: "UpdatedAt", DBName: "updated_at", BindNames: []string{"Model", "UpdatedAt"}, DataType: schema.Time},
		{Name: "DeletedAt", DBName: "deleted_at", BindNames: []string{"Model", "DeletedAt"}, Tag: `gorm:"index"`, DataType: schema.Time},
		{Name: "Name", DBName: "name", BindNames: []string{"Name"}, DataType: schema.String},
		{Name: "Age", DBName: "age", BindNames: []string{"Age"}, DataType: schema.Uint, Size: 64},

	for _, assignBack := range assignBacks {
		fieldValue := reflect.Indirect(association.Relationship.Field.ReflectValueOf(association.DB.Statement.Context, assignBack.Source))
		if assignBack.Index > 0 {
			reflect.Indirect(assignBack.Dest).Set(fieldValue.Index(assignBack.Index - 1))
		} else {
			reflect.Indirect(assignBack.Dest).Set(fieldValue)
		}
	}
}

func (association *Association) buildCondition() *DB {
	var (

				}
				// index is negative means is pointer
				if field.FieldType.Kind() == reflect.Struct {
					ef.StructField.Index = append([]int{fieldStruct.Index[0]}, ef.StructField.Index...)
				} else {
					ef.StructField.Index = append([]int{-fieldStruct.Index[0] - 1}, ef.StructField.Index...)
				}