user := *GetUser("update-many2many", Config{})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	user.Languages = []Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}}
	for _, lang := range user.Languages {
		DB.Create(&lang)
	}
	user.Friends = []*User{{Name: "friend-1"}, {Name: "friend-2"}}

	if err := DB.Save(&user).Error; err != nil {

		t.Fatalf("EN Blog should has 1 tags after EN Blog Delete with EN's tag")
	}

	// Clear
	DB.Model(&blog2).Association("LocaleTags").Clear()
	if DB.Model(&blog).Association("LocaleTags").Count() != 3 {
		t.Fatalf("ZH Blog's tags should not be cleared when clear EN Blog's tags")
	}

	if DB.Model(&blog2).Association("LocaleTags").Count() != 0 {
		t.Fatalf("EN Blog's tags should be cleared when clear EN Blog's tags")
	}

	if err := DB.AutoMigrate(&Level2{}, &Level1{}); err != nil {
		t.Error(err)
	}

	want := Level2{Value: "Bob", LanguageCode: "ru", Level1s: []Level1{
		{Value: "ru", LanguageCode: "ru"},
		{Value: "en", LanguageCode: "en"},
	}}
	if err := DB.Save(&want).Error; err != nil {
		t.Error(err)
	}

	want2 := Level2{Value: "Tom", LanguageCode: "zh", Level1s: []Level1{
		{Value: "zh", LanguageCode: "zh"},

	if savePointer, ok := db.Dialector.(SavePointerDialectorInterface); ok {
		// close prepared statement, because SavePoint not support prepared statement.
		// e.g. mysql8.0 doc: https://dev.mysql.com/doc/refman/8.0/en/sql-prepared-statements.html
		var (
			preparedStmtTx   *PreparedStmtTX
			isPreparedStmtTx bool
		)
		// close prepared statement, because SavePoint not support prepared statement.

		tableName = tabler.TableName()
	}
	if tabler, ok := modelValue.Interface().(TablerWithNamer); ok {
		tableName = tabler.TableName(namer)
	}
	if en, ok := namer.(embeddedNamer); ok {
		tableName = en.Table
	}
	if specialTableName != "" && specialTableName != tableName {
		tableName = specialTableName
	}

	schema := &Schema{
		Name:             modelType.Name(),

		Contents: []ItemContent{
			{Name: "name", LanguageCode: "en"},
			{Name: "ar name", LanguageCode: "ar"},
		},
	}
	if err := tx.Create(&item).Error; err != nil {
		t.Fatalf("failed to create items, got error: %v", err)
	}

	// test Replace
	if err := tx.Model(&item).Association("Contents").Unscoped().Replace([]ItemContent{
		{Name: "updated name", LanguageCode: "en"},
		{Name: "ar updated name", LanguageCode: "ar"},