31 lines
704 B
Go
31 lines
704 B
Go
-- base_sys_user_role 角色授权去重
|
||
-- 保留每组 userId + roleId 中 id 最小的一条，删除其余重复记录
|
||
|
||
-- 1. 执行前查看重复数据
|
||
SELECT
|
||
"userId",
|
||
"roleId",
|
||
COUNT(*) AS cnt,
|
||
MIN(id) AS keep_id,
|
||
ARRAY_AGG(id ORDER BY id) AS ids
|
||
FROM base_sys_user_role
|
||
GROUP BY "userId", "roleId"
|
||
HAVING COUNT(*) > 1
|
||
ORDER BY cnt DESC, "userId", "roleId";
|
||
|
||
-- 2. 删除重复数据
|
||
DELETE FROM base_sys_user_role a
|
||
USING base_sys_user_role b
|
||
WHERE a."userId" = b."userId"
|
||
AND a."roleId" = b."roleId"
|
||
AND a.id > b.id;
|
||
|
||
-- 3. 执行后复查，应返回 0 行
|
||
SELECT
|
||
"userId",
|
||
"roleId",
|
||
COUNT(*) AS cnt
|
||
FROM base_sys_user_role
|
||
GROUP BY "userId", "roleId"
|
||
HAVING COUNT(*) > 1;
|