REVOKE#
Примечание
Ниже приведена оригинальная документация Trino. Скоро мы ее переведем на русский язык и дополним полезными примерами.
Синтаксис#
REVOKE [ GRANT OPTION FOR ]
( privilege [, ...] | ALL PRIVILEGES )
ON ( table_name | TABLE table_name | SCHEMA schema_name )
FROM ( user | USER user | ROLE role )
Описание#
Revokes the specified privileges from the specified grantee.
Specifying ALL PRIVILEGES
revokes DELETE, INSERT and SELECT privileges.
Specifying ROLE PUBLIC
revokes privileges from the PUBLIC
role. Users will retain privileges assigned to them directly or via other roles.
If the optional GRANT OPTION FOR
clause is specified, only the GRANT OPTION
is removed. Otherwise, both the GRANT
and GRANT OPTION
are revoked.
For REVOKE
statement to succeed, the user executing it should possess the specified privileges as well as the GRANT OPTION
for those privileges.
Revoke on a table revokes the specified privilege on all columns of the table.
Revoke on a schema revokes the specified privilege on all columns of all tables of the schema.
Примеры#
Revoke INSERT
and SELECT
privileges on the table orders
from user alice
:
REVOKE INSERT, SELECT ON orders FROM alice;
Revoke DELETE
privilege on the schema finance
from user bob
:
REVOKE DELETE ON SCHEMA finance FROM bob;
Revoke SELECT
privilege on the table nation
from everyone, additionally revoking the privilege to grant SELECT
privilege:
REVOKE GRANT OPTION FOR SELECT ON nation FROM ROLE PUBLIC;
Revoke all privileges on the table test
from user alice
:
REVOKE ALL PRIVILEGES ON test FROM alice;
Limitations#
Some connectors have no support for REVOKE
.
See connector documentation for more details.