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Migration Progress
현재 단계: 2단계 - Dual Write (이중 쓰기)
수행 작업
User엔티티에fullName필드 추가firstName + lastName과fullName에 동시 저장테이블 구조 (변경 없음)
애플리케이션 코드 변경사항
User 엔티티 수정
Dual Write 동작 방식
firstName,lastName,fullName모두 저장firstName,lastName,fullName모두 업데이트fullName = firstName + lastName데이터 상태
full_name이 NULL인 상태 유지테스트 결과
다음 단계 준비사항
주의사항
full_name컬럼은 여전히 NULL