anchor.diff:  
   .Person
   |===
  -| id | name | favouritePet
  +| id | name | favoritePet
   | 1  | P1   | 1
   | 2  | P2   | NULL
   | 3  | P3   | 2
  
positive.code:     Long id;
      String name;
      @ManyToOne
      Animal favouritePet;
  }
  
  @Entity
  
negative.code:     .from(Person.class, "p")
      .select("p.name")
      .select("c.name")
      .innerJoin("TREAT(p.favoritePet AS Cat)", "c");
  ----
  
  The resulting query might look like the following, but might differ depending on the actual support of the JPA provider.
  