ViSnezh

src/main/java/site/easystartup/web/project/repo/ParticipantRepo.java

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+package site.easystartup.web.project.repo;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.stereotype.Repository;
+import site.easystartup.web.project.domain.model.Participant;
+import site.easystartup.web.project.domain.model.Project;
+
+import java.util.LinkedHashSet;
+
+@Repository
+public interface ParticipantRepo extends JpaRepository<Participant, Long> {
+    @Query ("SELECT Project FROM Participant WHERE nameOfPosition = :nameOfPosition")
+    LinkedHashSet<Project> findAllByNameOfPosition(@Param("nameOfPosition") String nameOfPosition);
+}