dropAllUsersFromDatabase

Definition定义

dropAllUsersFromDatabase

Removes all users from the database on which you run the command.从运行命令的数据库中删除所有用户。

Warning警告

The dropAllUsersFromDatabase removes all users from the database.dropAllUsersFromDatabase从数据库中删除所有用户。

The dropAllUsersFromDatabase command has the following syntax:dropAllUsersFromDatabase命令具有以下语法：

{ dropAllUsersFromDatabase: 1,
  writeConcern: { <write concern> },
  comment: <any>
}

The dropAllUsersFromDatabase document has the following fields:dropAllUsersFromDatabase文档包含以下字段：

Field字段	Type类型	Description描述
dropAllUsersFromDatabase	integer	Specify 1 to drop all the users from the current database.指定1以从当前数据库中删除所有用户。
writeConcern	document	Optional. 可选。The level of write concern for the operation. 操作的写入关注级别。See Write Concern Specification.请参阅写入关注规范。
comment	any	Optional. 可选。A user-provided comment to attach to this command. Once set, this comment appears alongside records of this command in the following locations:用户提供了附加到此命令的注释。设置后，此注释将与此命令的记录一起显示在以下位置： mongod log messages, in the attr.command.cursor.comment field.mongod日志消息，在attr.command.cursor.comment字段中。 Database profiler output, in the command.comment field.数据库探查器输出，在command.comment字段中。 currentOp output, in the command.comment field.currentOp输出，在command.comment字段中。 A comment can be any valid BSON type(string, integer, object, array, etc).注释可以是任何有效的BSON类型（字符串、整数、对象、数组等）。 New in version 4.4.在版本4.4中新增。

Example示例

The following sequence of operations in mongosh drops every user from the products database:mongosh中的以下操作顺序将每个用户从产品数据库中删除：

use products
db.runCommand( { dropAllUsersFromDatabase: 1, writeConcern: { w: "majority" } } )

The n field in the results document shows the number of users removed:结果文档中的n字段显示删除的用户数：

{ "n" : 12, "ok" : 1 }