Summary:"建表语句中定义为 ON UPDATE CURRENT_TIMESTAMP 的字段不建议包含业务逻辑",
Content:"定义为 ON UPDATE CURRENT_TIMESTAMP 的字段在该表其他字段更新时会联动修改,如果包含业务逻辑用户可见会埋下隐患。后续如有批量修改数据却又不想修改该字段时会导致数据错误。",
Case:`CREATE TABLE category (category_id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT, name VARCHAR(25) NOT NULL, last_update TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (category_id)`,
Func:(*Query4Audit).RuleCreateOnUpdate,
Case:`CREATE TABLE category (category_id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT, name VARCHAR(25) NOT NULL, last_update TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (category_id)`,