ALTER USER

ALTER USER — 更改一个数据库角色

大纲

ALTER USER role_specification [ WITH ] option [ ... ]
其中 option 可以是:
 SUPERUSER | NOSUPERUSER
 | CREATEDB | NOCREATEDB
 | CREATEROLE | NOCREATEROLE
 | INHERIT | NOINHERIT
 | LOGIN | NOLOGIN
 | REPLICATION | NOREPLICATION
 | BYPASSRLS | NOBYPASSRLS
 | CONNECTION LIMIT connlimit
 | [ ENCRYPTED ] PASSWORD 'password' | PASSWORD NULL
 | VALID UNTIL 'timestamp'
ALTER USER name RENAME TO new_name
ALTER USER { role_specification | ALL } [ IN DATABASE database_name ] SET configuration_parameter { TO | = } { value | DEFAULT }
ALTER USER { role_specification | ALL } [ IN DATABASE database_name ] SET configuration_parameter FROM CURRENT
ALTER USER { role_specification | ALL } [ IN DATABASE database_name ] RESET configuration_parameter
ALTER USER { role_specification | ALL } [ IN DATABASE database_name ] RESET ALL
其中 role_specification 可以是:
 role_name
 | CURRENT_ROLE
 | CURRENT_USER
 | SESSION_USER

描述

ALTER USER现在是 ALTER ROLE的一种别名。

兼容性

ALTER USER语句是一种 PostgreSQL扩展。SQL 标准把用户的定义留给 实现来处理。

另见