err = dc.ReadNil()
				if err != nil {
					err = msgp.WrapError(err, "ObjectV1")
					return
				}
				z.ObjectV1 = nil
			} else {
				if z.ObjectV1 == nil {
					z.ObjectV1 = new(xlMetaV1Object)
				}
				err = z.ObjectV1.DecodeMsg(dc)
				if err != nil {
					err = msgp.WrapError(err, "ObjectV1")
					return
				}
			}
			zb0001Mask |= 0x1
		case "V2Obj":

		case LegacyType:
			return j.ObjectV1.DataDir
		case ObjectType:
			return uuid.UUID(j.ObjectV2.DataDir).String()
		}
	}
	return ""
}

// Valid xl meta xlMetaV2Version is valid
func (j xlMetaV2Version) Valid() bool {
	if !j.Type.valid() {
		return false
	}
	switch j.Type {
	case LegacyType:
		return j.ObjectV1 != nil &&
			j.ObjectV1.valid()
	case ObjectType:

	if err != nil {
		t.Errorf("Open err:%v", err)
	}

	type Object1 struct{}
	type Object2 struct {
		Field1 string
	}
	type Object3 struct {
		Field2 string
	}
	db.Migrator().DropTable("objects")

	err = db.Table("objects").AutoMigrate(&Object1{})
	if err != nil {
		t.Errorf("AutoMigrate err:%v", err)
	}