Boil the pasta and rinse with cold water. Cut the city sausage and the cucumber into cubes. Drain and rinse the Mexican vegetables. Then put everything together in a bowl.
For the marinade: Mix the yoghurt with the tartar sauce, sugar and herb salt. Cut the chives into small pieces and add them to the marinade. Pour the marinade over the salad and place in the refrigerator with the lid closed and let it soak in.