GRANT#
Примечание
Ниже приведена оригинальная документация Trino. Скоро мы ее переведем на русский язык и дополним полезными примерами.
Синтаксис#
GRANT ( privilege [, ...] | ( ALL PRIVILEGES ) )
ON ( table_name | TABLE table_name | SCHEMA schema_name)
TO ( user | USER user | ROLE role )
[ WITH GRANT OPTION ]
Описание#
Grants the specified privileges to the specified grantee.
Specifying ALL PRIVILEGES
grants DELETE, INSERT, UPDATE and SELECT privileges.
Specifying ROLE PUBLIC
grants privileges to the PUBLIC
role and hence to all users.
The optional WITH GRANT OPTION
clause allows the grantee to grant these same privileges to others.
For GRANT
statement to succeed, the user executing it should possess the specified privileges as well as the GRANT OPTION
for those privileges.
Grant on a table grants the specified privilege on all current and future columns of the table.
Grant on a schema grants the specified privilege on all current and future columns of all current and future tables of the schema.
Примеры#
Grant INSERT
and SELECT
privileges on the table orders
to user alice
:
GRANT INSERT, SELECT ON orders TO alice;
Grant DELETE
privilege on the schema finance
to user bob
:
GRANT DELETE ON SCHEMA finance TO bob;
Grant SELECT
privilege on the table nation
to user alice
, additionally allowing alice
to grant SELECT
privilege to others:
GRANT SELECT ON nation TO alice WITH GRANT OPTION;
Grant SELECT
privilege on the table orders
to everyone:
GRANT SELECT ON orders TO ROLE PUBLIC;
Limitations#
Some connectors have no support for GRANT
.
See connector documentation for more details.