package com.example.demo.repository; import com.example.demo.model.Gives.Gives; import com.example.demo.model.Gives.GivesKey; import org.springframework.data.jpa.repository.JpaRepository; import org.springframework.data.jpa.repository.Query; import java.util.List; import java.util.Optional; public interface GivesRepository extends JpaRepository { @Query(value = "SELECT * FROM Gives WHERE projection_id=?",nativeQuery = true) Optional findAllByProjectionId(Integer projection_id); }