} else if len(users2) != len(users) {
		t.Fatalf("Failed to load join users, got: %v, expect: %v", len(users2), len(users))
	}

	sort.Slice(users2, func(i, j int) bool {
		return users2[i].ID > users2[j].ID
	})

	sort.Slice(users, func(i, j int) bool {
		return users[i].ID > users[j].ID
	})

	for idx, user := range users {
		// user
		CheckUser(t, user, users2[idx])

	}
	sort.Slice(users3, func(i, j int) bool {
		return users2[i].ID < users2[j].ID
	})

	for i, u := range users3 {
		CheckUser(t, u, users[i])
	}

	var user4 User
	DB.Delete(&users3[0].Account)

	if err := DB.Preload(clause.Associations).Take(&user4, "id = ?", users3[0].ID).Error; err != nil || user4.Account.ID != 0 {
		t.Errorf("failed to query, got error %v, account: %#v", err, user4.Account)

	} else if len(users2) != len(users) {
		t.Fatalf("Failed to load join users, got: %v, expect: %v", len(users2), len(users))
	}

	sort.Slice(users2, func(i, j int) bool {
		return users2[i].ID > users2[j].ID
	})

	sort.Slice(users, func(i, j int) bool {
		return users[i].ID > users[j].ID
	})

	for idx, user := range users {
		// user
		CheckUser(t, user, users2[idx])

	CheckUser(t, result, user)

	user2 := *GetUser("omit_create", Config{Account: true, Pets: 3, Toys: 3, Company: true, Manager: true, Team: 3, Languages: 3, Friends: 4})
	DB.Omit(clause.Associations).Create(&user2)

	var result2 User
	DB.Preload(clause.Associations).First(&result2, user2.ID)

	user2.Account = Account{}
	user2.Toys = nil
	user2.Manager = nil
	user2.Company = Company{}
	user2.Pets = nil

}

// Limit specify the number of records to be retrieved
//
// Limit conditions can be cancelled by using `Limit(-1)`.
//
//	// retrieve 3 users
//	db.Limit(3).Find(&users)
//	// retrieve 3 users into users1, and all users into users2
//	db.Limit(3).Find(&users1).Limit(-1).Find(&users2)
func (db *DB) Limit(limit int) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.AddClause(clause.Limit{Limit: &limit})
	return
}

	if err := DB.Model(&users).Association("Languages").Delete(users[0].Languages[0], users[1].Languages[1]); err != nil {
		t.Errorf("no error should happened when deleting language, but got %v", err)
	}

	AssertAssociationCount(t, users, "Languages", 2, "after delete")

	// Clear
	DB.Model(&users).Association("Languages").Clear()

	AssertEqual(t, lastUpdatedAt.UnixNano(), users[1].UpdatedAt.UnixNano())

	// user2 should not be updated
	var user1, user2 User
	DB.First(&user1, users[0].ID)
	DB.First(&user2, users[1].ID)
	CheckUser(t, user1, *users[0])
	CheckUser(t, user2, *users[1])

	DB.Model(users[1]).UpdateColumn("name", "update_column_02_newnew").UpdateColumn("age", 19)
	AssertEqual(t, lastUpdatedAt.UnixNano(), users[1].UpdatedAt.UnixNano())

		},
	}
	DB.Create(&user)

	type UserScan struct {
		ID        uint
		Name      string
		ManagerID *uint
	}
	var user2 UserScan
	err := DB.Raw("SELECT * FROM users INNER JOIN users Manager ON users.manager_id = Manager.id WHERE users.id = ?", user.ID).Scan(&user2).Error
	AssertEqual(t, err, nil)

	}

	AssertAssociationCount(t, users, "Pets", 4, "after delete")

	if err := DB.Model(&users).Association("Pets").Delete(users[0].Pets[0], users[1].Pets[1]); err != nil {
		t.Errorf("no error should happened when deleting pet, but got %v", err)
	}

	AssertAssociationCount(t, users, "Pets", 2, "after delete")

	// Clear
	DB.Model(&users).Association("Pets").Clear()
	AssertAssociationCount(t, users, "Pets", 0, "After Clear")
}

		} else if name == users[1].Name && total != 1 {
			t.Errorf("Should have two users having name %v", users[1].Name)
		}
	}
}

func TestQueryRaw(t *testing.T) {
	users := []*User{
		GetUser("row_query_user", Config{}),
		GetUser("row_query_user", Config{}),
		GetUser("row_query_user", Config{}),
	}
	DB.Create(&users)

	var user User