[EDIT] AllocationRepositoryにコース一覧に表示するデータを取得する@Queryを追加しました

src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java

@@ -3,10 +3,28 @@ package com.example.demo.app.infra.repository;
 import java.util.List;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 
+import com.example.demo.app.domain.model.CourseInfoModel;
 import com.example.demo.app.infra.entity.AllocationEntity;
 
 public interface AllocationRepository extends JpaRepository<AllocationEntity, Long>{
 	
 	List<AllocationEntity> findByCourseId(Long courseId);
+	
+	@Query(" SELECT co.course_id, "
+			+ " co.course_name, "
+			+ " ca.category_id, "
+			+ " ca.categpry_name, "
+			+ " a.allocation_ratio "
+			+ " FROM allocation_m a "
+			+ " INNER JOIN course_m co "
+			+ " ON a.course_id = co.course_id "
+			+ " INNER JOIN category_t ca "
+			+ " on a.category_id = ca.category_id "
+			+ " WHERE ca.transaction_type = 0 "
+			+ " ORDER BY a.course_id ASC, "
+			+ " a.category_id ASC ")
+	List<CourseInfoModel> findAllJoinedAllocation();
+	
 }