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db.
dropAllRoles
(writeConcern)¶Deletes all user-defined roles on the database where you run the method.删除运行该方法的数据库上所有用户定义的角色。
Warning
The dropAllRoles方法从数据库中删除所有用户定义的角色。dropAllRoles
method removes all user-defined roles from the database.
The dropAllRoles
method takes the following argument:dropAllRoles
方法采用以下参数:
writeConcern |
document | writeConcern document takes the same fields as the getLastError command.writeConcern 文档采用与getLastError 命令相同的字段。 |
The db.dropAllRoles()
method wraps the dropAllRolesFromDatabase
command.db.dropAllRoles()
方法包装dropAllRolesFromDatabase
命令。
If run on a replica set, 如果在副本集上运行,默认情况下,db.dropAllRoles()
is executed using majority
write concern by default.db.dropAllRoles()
将使用majority
写入关注点执行。
You must have the 必须对数据库执行dropRole
action on a database to drop a role from that database.dropRole
操作才能从该数据库中删除角色。
The following operations drop all user-defined roles from the 以下操作将从products
database and uses a write concern of majority
.products
数据库中删除所有用户定义的角色,并使用了一个写入关注点。
The method returns the number of roles dropped:该方法返回删除的角色数: