t.Fatalf("Failed to query smaller user, got error %v", err)
	}

	AssertObjEqual(t, user, simpleUser, "Name", "ID", "UpdatedAt", "CreatedAt")

	var simpleUser2 SimpleUser
	if err := DB.Model(&User{}).Select("id").First(&simpleUser2, user.ID).Error; err != nil {
		t.Fatalf("Failed to query smaller user, got error %v", err)
	}

	AssertObjEqual(t, user, simpleUser2, "ID")

	var simpleUsers []SimpleUser

	if err := DB.First(&resultClone, "name = ?", "Nice_clone").Error; err != nil {
		t.Fatalf("Failed to find cloned product, got error: %v", err)
	}

	result.Price *= 2
	result.Name += "_clone"
	AssertObjEqual(t, result, resultClone, "Price", "Name")

	DB.Model(&result).Update("Price", 500)
	var result2 Product2
	DB.First(&result2, "name = ?", "Nice")

	if result2.Price != 500 {

		t.Fatalf("failed to create, got error %v", err)
	}

	newProd := &CompositeKeyProduct{}
	if err := DB.First(&newProd).Error; err != nil {
		t.Fatalf("errors happened when query: %v", err)
	} else {
		AssertObjEqual(t, newProd, prod, "ProductID", "LanguageCode", "Code", "Name")
	}
}

func TestCreateOnConflictWithDefaultNull(t *testing.T) {
	type OnConflictUser struct {
		ID     string