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Backend & Spring·October 9, 2026

When Did I Last Write SQL by Hand? The Day grep Overturned an AI Refactoring Plan

읽기 문과 쓰기 문이 나란히 달린 창고 앞에 두 직원이 서 있는 일러스트. 한 명은 통역용 헤드셋을, 한 명은 SQL 쪽지를 들고 있다.

An AI proposed unifying our data access layer on JPA before we could add an audit log. A few lines of grep showed the premise was wrong: every write already went through JPA. The same investigation showed I could no longer read our SQL, so I started relearning it.