},
				{
					Name: "LanguageCode", DBName: "language_code", BindNames: []string{"LanguageCode"}, DataType: schema.String,
					Tag: `gorm:"primarykey"`, Creatable: true, Updatable: true, Readable: true, PrimaryKey: true,
				},
			}},
			References: []Reference{{"ID", "User", "UserID", "UserSpeak", "", true}, {"Code", "Language", "LanguageCode", "UserSpeak", "", false}},
		},
		{

		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"},
		{Value: "de", LanguageCode: "de"},
	}}

		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"},

	}
}

func TestCreateWithAutoIncrementCompositeKey(t *testing.T) {
	type CompositeKeyProduct struct {
		ProductID    int `gorm:"primaryKey;autoIncrement:true;"` // primary key
		LanguageCode int `gorm:"primaryKey;"`                    // primary key
		Code         string
		Name         string
	}

	if err := DB.Migrator().DropTable(&CompositeKeyProduct{}); err != nil {

func TestJoinWithSameColumnName(t *testing.T) {
	user := GetUser("TestJoinWithSameColumnName", Config{
		Languages: 1,
		Pets:      1,
	})
	DB.Create(user)
	type UserSpeak struct {
		UserID       uint
		LanguageCode string
	}
	type Result struct {
		User
		UserSpeak
		Language
		Pet
	}

	results := make([]Result, 0, 1)