SHOW GRANTS
SHOW GRANTS
SHOW GRANTS 语句用于显示与用户关联的权限列表。与在 MySQL 中一样，USAGE 权限表示登录 TiDB 的能力。
语法图
ShowStmt:
Username:
示例
{{< copyable "sql" >}}
SHOW GRANTS;+-------------------------------------------+
| Grants for User |
+-------------------------------------------+
| GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' |
+-------------------------------------------+
1 row in set (0.00 sec){{< copyable "sql" >}}
SHOW GRANTS FOR 'u1';ERROR 1141 (42000): There is no such grant defined for user 'u1' on host '%'{{< copyable "sql" >}}
CREATE USER u1;Query OK, 1 row affected (0.04 sec){{< copyable "sql" >}}
GRANT SELECT ON test.* TO u1;Query OK, 0 rows affected (0.04 sec){{< copyable "sql" >}}
SHOW GRANTS FOR u1;+------------------------------------+
| Grants for u1@% |
+------------------------------------+
| GRANT USAGE ON *.* TO 'u1'@'%' |
| GRANT Select ON test.* TO 'u1'@'%' |
+------------------------------------+
2 rows in set (0.00 sec)MySQL 兼容性
SHOW GRANTS 语句与 MySQL 完全兼容。如有任何兼容性差异，请在 GitHub 上提交 issue。