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java
3 years ago
824 B
5
Indexable
// ZOO ma n stref. Kazda strefa ma m zwierzat. Kazde zwierze ma inne zapotrzebowanie na dzienna karme. // Znajdz strefe ktora wymaga najwiekszej ilosci karmy // Model klasy Zone // @Id // @GeneratedValue(strategy = GenerationType.IDENTITY) // private Long id; // @NotNull // @Size(min = 3) // private String name; // @OneToMany(fetch = FetchType.EAGER) // private List<Animal> animals = new ArrayList<>(); // Model klasy Animal // @Id // @GeneratedValue(strategy = GenerationType.IDENTITY) // private Long id; // private String species; // private String name; // @OneToOne // @JsonIgnore // private Zone zone; // private int foodPortionsPerDay; @Query(value = "SELECT z FROM Zone z JOIN Animal a GROUP BY SUM(a.foodPortionsPerDay)") Zone findTheMostFoodDemandingZone();
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