if product.Price != 100 {
		t.Errorf("invalid price after create, got %+v", product)
	}

	DB.Model(&product).Select("code", "price").Updates(map[string]interface{}{"code": "L1212"})

	if product.Price != 150 || product.Code != "L1212" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	// Code not changed, price should not change
	DB.Model(&product).Updates(map[string]interface{}{"Name": "Product New"})