for i := range fi.Parts {
			ventry.ObjectV2.PartSizes[i] = fi.Parts[i].Size
			if len(ventry.ObjectV2.PartETags) > 0 && fi.Parts[i].ETag != "" {
				ventry.ObjectV2.PartETags[i] = fi.Parts[i].ETag
			}
			ventry.ObjectV2.PartNumbers[i] = fi.Parts[i].Number
			ventry.ObjectV2.PartActualSizes[i] = fi.Parts[i].ActualSize
			if len(ventry.ObjectV2.PartIndices) > i {
				ventry.ObjectV2.PartIndices[i] = fi.Parts[i].Index
			}

	}

	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)
	}

	err = db.Table("objects").AutoMigrate(&Object2{})
	if err != nil {
		t.Errorf("AutoMigrate err:%v", err)