package hu.unr.fiber.cardapi.hibernate; import org.springframework.data.jpa.repository.JpaRepository; import org.springframework.data.jpa.repository.Query; import org.springframework.data.repository.query.Param; public interface CardRepository extends JpaRepository { @Query("SELECT c.id FROM Card c where c.number = :number") Long findIdByNumber(@Param("number") String number); }