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grantRolesToRole Grants roles to a user-defined role.将角色授予用户定义的角色。
The grantRolesToRole command affects roles on the database where the command runs. grantRolesToRole命令影响运行该命令的数据库上的角色。grantRolesToRole has the following syntax:grantRolesToRole具有以下语法:
{ grantRolesToRole: "<role>",
roles: [
{ role: "<role>", db: "<database>" },
...
],
writeConcern: { <write concern> },
comment: <any>
}
The grantRolesToRole command has the following fields:grantRolesToRole命令具有以下字段:
grantRolesToRole | string | |
roles | array | |
writeConcern | document |
|
comment | any |
|
In the 在roles field, you can specify both built-in roles and user-defined roles.roles字段中,可以指定内置角色和用户定义角色。
To specify a role that exists in the same database where 要指定运行grantRolesToRole runs, you can either specify the role with the name of the role:grantRolesToRole的同一数据库中存在的角色,可以使用角色名称指定角色:
"readWrite"
Or you can specify the role with a document, as in:也可以使用文档指定角色,如:
{ role: "<role>", db: "<database>" }
To specify a role that exists in a different database, specify the role with a document.若要指定存在于其他数据库中的角色,请使用文档指定该角色。
A role can inherit privileges from other roles in its database. 角色可以从其数据库中的其他角色继承权限。A role created on the 在admin database can inherit privileges from roles in any database.admin数据库上创建的角色可以从任何数据库中的角色继承权限。
You must have the 必须对数据库执行grantRole action on a database to grant a role on that database.grantRole操作才能在该数据库上授予角色。
The following 以下grantRolesToRole command updates the productsReaderWriter role in the products database to inherit the privileges of the productsReader role in the products database:grantRolesToRole命令更新products数据库中的productsReaderWriter角色,以继承products数据库中productsReader角色的权限:
use products
db.runCommand(
{ grantRolesToRole: "productsReaderWriter",
roles: [
"productsReader"
],
writeConcern: { w: "majority" , wtimeout: 5000 }
}
)