t.Fatalf("errors happened when update: %v", err)
	}

	var user4 User
	DB.Preload("Company").Preload("Manager").Find(&user4, "id = ?", user.ID)
	CheckUser(t, user4, user)

	user.Company.Name += "new2"
	user.Manager.Name += "new2"
	if err := DB.Session(&gorm.Session{FullSaveAssociations: true}).Select("`Company`").Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user5 User

	if err := DB.Exec("UPDATE named_users SET name1 = @name, name2 = @name2, name3 = @name", sql.Named("name", "jinzhu-new"), sql.Named("name2", "jinzhu-new2")).Error; err != nil {
		t.Errorf("failed to update with named arg")
	}

	namedUser.Name1 = "jinzhu-new"
	namedUser.Name2 = "jinzhu-new2"
	namedUser.Name3 = "jinzhu-new"

	var result5 NamedUser