mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 16:42:05 +00:00
Merge branch 'ithangzhou-patch-16' into ithangzhou-fix-symlinks-2
This commit is contained in:
commit
949d464bcf
@ -1 +1,48 @@
|
||||
../../../en/sql-reference/statements/revoke.md
|
||||
---
|
||||
toc_priority: 40
|
||||
toc_title: REVOKE
|
||||
---
|
||||
|
||||
# 权限取消 {#revoke}
|
||||
|
||||
取消用户或角色的权限
|
||||
|
||||
## 语法 {#revoke-语法}
|
||||
|
||||
**取消用户的权限**
|
||||
|
||||
``` sql
|
||||
REVOKE [ON CLUSTER cluster_name] privilege[(column_name [,...])] [,...] ON {db.table|db.*|*.*|table|*} FROM {user | CURRENT_USER} [,...] | ALL | ALL EXCEPT {user | CURRENT_USER} [,...]
|
||||
```
|
||||
|
||||
**取消用户的角色**
|
||||
|
||||
``` sql
|
||||
REVOKE [ON CLUSTER cluster_name] [ADMIN OPTION FOR] role [,...] FROM {user | role | CURRENT_USER} [,...] | ALL | ALL EXCEPT {user_name | role_name | CURRENT_USER} [,...]
|
||||
```
|
||||
|
||||
## 说明 {#revoke-description}
|
||||
|
||||
要取消某些权限,可使用比要撤回的权限更大范围的权限。例如,当用户有 `SELECT (x,y)`权限时,管理员可执行 `REVOKE SELECT(x,y) ...`, 或 `REVOKE SELECT * ...`, 甚至是 `REVOKE ALL PRIVILEGES ...`来取消原有权限。
|
||||
|
||||
### 取消部分权限 {#partial-revokes-dscr}
|
||||
|
||||
可以取消部分权限。例如,当用户有 `SELECT *.*` 权限时,可以通过授予对部分库或表的读取权限来撤回原有权限。
|
||||
|
||||
## 示例 {#revoke-example}
|
||||
|
||||
授权 `john`账号能查询所有库的所有表,除了 `account`库。
|
||||
|
||||
``` sql
|
||||
GRANT SELECT ON *.* TO john;
|
||||
REVOKE SELECT ON accounts.* FROM john;
|
||||
```
|
||||
|
||||
授权 `mira`账号能查询 `accounts.staff`表的所有列,除了 `wage`这一列。
|
||||
|
||||
``` sql
|
||||
GRANT SELECT ON accounts.staff TO mira;
|
||||
REVOKE SELECT(wage) ON accounts.staff FROM mira;
|
||||
```
|
||||
|
||||
{## [原始文档](https://clickhouse.tech/docs/en/operations/settings/settings/) ##}
|
||||
|
Loading…
Reference in New Issue
Block a user