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

ShowGrantsStmt:

ShowGrantsStmt

Username:

Username

UsingRoles:

UsingRoles

RolenameList:

RolenameList

Rolename:

Rolename

示例

SHOW GRANTS;
+-------------------------------------------+ | Grants for User | +-------------------------------------------+ | GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' | +-------------------------------------------+ 1 row in set (0.00 sec)
SHOW GRANTS FOR 'u1';
ERROR 1141 (42000): There is no such grant defined for user 'u1' on host '%'
CREATE USER u1;
Query OK, 1 row affected (0.04 sec)
GRANT SELECT ON test.* TO u1;
Query OK, 0 rows affected (0.04 sec)
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。如发现任何兼容性差异,请尝试 TiDB 支持资源

另请参阅

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