ID        uint
		Name      string
		ManagerID *uint
		Manager   *MigratePerson
	}

	DB.Migrator().DropTable(&MigratePerson{})

	if err := DB.AutoMigrate(&MigratePerson{}); err != nil {
		t.Fatalf("Failed to auto migrate, but got error %v", err)
	}

	if !DB.Migrator().HasConstraint("migrate_people", "fk_migrate_people_manager") {

	}

	result = dryDB.Not(DB.Where("manager IS NULL").Where("age >= ?", 20)).Find(&User{})
	if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE NOT \\(manager IS NULL AND age >= .+\\) AND .users.\\..deleted_at. IS NULL").MatchString(result.Statement.SQL.String()) {
		t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
	}

	result = dryDB.Not(DB.Where("manager IS NULL").Or("age >= ?", 20)).Find(&User{})