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Role Management Commands

dropRole

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  • Definition
  • Syntax
  • Command Fields
  • Behavior
  • Required Access
  • Example

Definition

dropRole

Deletes a user-defined role from the database on which you run the command.

Tip

In mongosh, this command can also be run through the db.dropRole() helper method.

Helper methods are convenient for mongosh users, but they may not return the same level of information as database commands. In cases where the convenience is not needed or the additional return fields are required, use the database command.

Syntax

The command has the following syntax:

db.runCommand(
   {
     dropRole: "<role>",
     writeConcern: { <write concern> },
     comment: <any>
   }
)

Command Fields

The command has the following fields:

Field
Type
Description
dropRole
string
The name of the user-defined role to remove from the database.
writeConcern
document

Optional. The level of write concern for the operation. See Write Concern Specification.

comment
any

Optional. A user-provided comment to attach to this command. Once set, this comment appears alongside records of this command in the following locations:

A comment can be any valid BSON type (string, integer, object, array, etc).

New in version 4.4.

Behavior

Authentication

When a role is dropped on a mongod, previously authenticated users remain logged in to the database but immediately lose the role's privileges.

When a role is dropped on a mongos, previously authenticated users remain logged in to the database but lose the role's privileges when the cache refreshes. The cache refreshes automatically after the time specified with the userCacheInvalidationIntervalSecs parameter or manually when you run the invalidateUserCache command.

Required Access

You must have the dropRole action on a database to drop a role from that database.

Example

The following operations remove the readPrices role from the products database:

use products
db.runCommand(
   {
     dropRole: "readPrices",
     writeConcern: { w: "majority" }
   }
)

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