과제제출 #2
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과제제출 #2
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EntityJpaEntity를 가져올 때 OrderItem과 Item을 join으로 한번에 가져오는 것 처럼 보였지만 실제로는 각 연관 엔티티들을 한번에 하나씩 조회해서 가져오는 것이였다 그래서 패치조인을 사용해서 OrderItem과 Item을 한번에 가져오게 설정하였다