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