t.Errorf("invalid query SQL, got %v", result.Statement.SQL.String())
	}
}

func TestSubQuery(t *testing.T) {
	users := []User{
		{Name: "subquery_1", Age: 10},
		{Name: "subquery_2", Age: 20},
		{Name: "subquery_3", Age: 30},
		{Name: "subquery_4", Age: 40},
	}

	DB.Create(&users)