mirror of
https://gitee.com/blackfox/geekai.git
synced 2024-12-03 12:48:31 +08:00
23 lines
612 B
SQL
23 lines
612 B
SQL
-- 删除用户名重复的用户，只保留一条
|
|
DELETE FROM chatgpt_users
|
|
WHERE username IN (
|
|
SELECT username
|
|
FROM (
|
|
SELECT username
|
|
FROM chatgpt_users
|
|
GROUP BY username
|
|
HAVING COUNT(*) > 1
|
|
) AS temp
|
|
) AND id NOT IN (
|
|
SELECT MIN(id)
|
|
FROM (
|
|
SELECT id, username
|
|
FROM chatgpt_users
|
|
GROUP BY id, username
|
|
HAVING COUNT(*) > 1
|
|
) AS temp
|
|
GROUP BY username
|
|
);
|
|
|
|
-- 给 username 字段建立唯一索引
|
|
ALTER TABLE `chatgpt_users` ADD UNIQUE(`username`) |