packagetkio.repository;importorg.springframework.data.jpa.repository.JpaRepository;importorg.springframework.data.jpa.repository.Query;importtkio.model.App;importtkio.model.Crowd;importjava.math.BigInteger;importjava.util.List;publicinterfaceCrowdRepositoryextendsJpaRepository<Crowd,Long>{@Query(value="select * from crowd where contract_code = ?1",nativeQuery=true)CrowdfindOne(Stringcode);}