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'
    | 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_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 UXDB扩展。SQL 标准把用户的定义留给 实现来处理。

另见

ALTER ROLE
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