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后端源码/yifan.action-ai.cn/sql/add_uuid_to_naming_reports.sql

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+-- 为 yifan_naming_reports 表添加 uuid 字段
+ALTER TABLE yifan_naming_reports 
+ADD COLUMN uuid VARCHAR(64) NOT NULL DEFAULT '' COMMENT 'UUID全局唯一标识' AFTER id;
+
+-- 为现有数据生成 UUID
+UPDATE yifan_naming_reports 
+SET uuid = CONCAT(
+    SUBSTRING(MD5(CONCAT(id, RAND())), 1, 8), '-',
+    SUBSTRING(MD5(CONCAT(id, RAND())), 9, 4), '-',
+    SUBSTRING(MD5(CONCAT(id, RAND())), 13, 4), '-',
+    SUBSTRING(MD5(CONCAT(id, RAND())), 17, 4), '-',
+    SUBSTRING(MD5(CONCAT(id, RAND())), 21, 12)
+)
+WHERE uuid = '';
+
+-- 添加唯一索引
+ALTER TABLE yifan_naming_reports 
+ADD UNIQUE INDEX uk_uuid (uuid);