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생각하자&이슈: Embedded VO가 Reuqest 객체에서 쓰일 때 Validation이슈

주제: Embedded vo객체를 DTO 안에 썼는데 Validation 할때 이 vo객체 안에 컬럼이 null이면 500이뜬다..

현재까지 생각정리: 지금가장 생각나는 이유로는 vo에 있는 @Column이 validation 하는 거 같음(추측임 추측)
근데 vo가 아직 save도 안됐는데 벌써 @Column(nullable = false) 때문에 null이라고 500을 던지나..?

생각하자: 주문하기전 데이터저장 한다?? 안한다??

주제: Reservation(아직 주문하진 않았지만 주문페이지에 전달할 데이터)을 저장해야하는게 맞는걸까..

현재까지의 생각정리: 누가 상품 주문하기 버튼만 주구장창 누르면 쓸모 없는 Reservation 엄청 증가하는거 아닌가..? 이렇게까지 아니더라도 결제 안한 데이터 엄청많이 쌓이면 데이터 낭비 아닌가? 그럼 배치로 지우나...???

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