[spring-jdbc-1] haon.lee(이민성) 과제 제출합니다. #37
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swandevson
reviewed
Aug 15, 2024
| public int count() { | ||
| //TODO : customers 디비에 포함되어있는 row가 몇개인지 확인하는 기능 구현 | ||
| return 0; | ||
| return jdbcTemplate.queryForObject("select count(*) from customers", Integer.class); |
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가독성을 위해 SQL 예약어(SELECT, FROM 등)은 대문자로 작성하시는 것이 좋을 것 같습니다!
alreadysons
reviewed
Aug 17, 2024
| //todo : keyHolder에 대해 학습하고, Customer를 저장후 저장된 Customer의 id를 반환하기 | ||
| jdbcTemplate.update(connection -> { | ||
| PreparedStatement ps = connection.prepareStatement( | ||
| "insert into customers (first_name, last_name) values (?, ?)", |
dayaelee
reviewed
Aug 19, 2024
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dayaelee
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dayaelee
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목적에 맞게 코드를 잘 작성하신 것 같습니다. 고생하셨습니다!
| public int delete(Long id) { | ||
| //todo: id에 해당하는 customer를 지우고, 해당 쿼리에 영향받는 row 수반환하기 | ||
| return 0; | ||
| return jdbcTemplate.update("delete from customers where id = ?", Long.valueOf(id)); |
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제가 아직 자바에 익숙치 않은데, 이렇게도 코드를 간략하게 작성할 수 있음에 감탄하고 덕분에 한 수 배워갑니다~!
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haon(하온) JDBC 미션 제출합니다 🙂