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resource_control: add dynamic privilege description for resource group admin and user #20083

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add dynamic privilege description for resource group admin and user
glorv Mar 19, 2025
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Oreoxmt Mar 20, 2025
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2 changes: 2 additions & 0 deletions privilege-management.md
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Expand Up @@ -292,6 +292,8 @@ SHOW GRANTS FOR `rw_user`@`192.168.%`;
* `RESTRICTED_USER_ADMIN` 不允许在 SEM 打开的情况下使用 `SUPER` 用户撤销访问权限。
* `RESTRICTED_CONNECTION_ADMIN` 允许 KILL 属于 `RESTRICTED_USER_ADMIN` 用户的连接。该权限对 `KILL` 和 `KILL TIDB` 语句生效。
* `RESTRICTED_REPLICA_WRITER_ADMIN` 允许权限拥有者在 TiDB 集群开启了只读模式的情况下不受影响地执行写入或更新操作，详见 [`tidb_restricted_read_only` 配置项](/system-variables.md#tidb_restricted_read_only-从-v520-版本开始引入)。
* `RESOURCE_GROUP_ADMIN` 允许权限拥有者创建、修改和删除资源组 (Resource Group)，详见[管理资源组](/tidb-resource-control-ru-groups.md#管理资源组)。
* `RESOURCE_GROUP_USER` 允许权限拥有者将当前连接绑定至其他资源组 (Resource Group)，详见[绑定资源组](/tidb-resource-control-ru-groups.md#绑定资源组)。

若要查看全部的动态权限，请执行 `SHOW PRIVILEGES` 语句。由于用户可使用插件来添加新的权限，因此可分配的权限列表可能因用户的 TiDB 安装情况而异。

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