Modifying a Database User

Function

This API is used to change the username and password for a registered database user on DAS. This API does not change the username and password of the database user object on the DB instance. Ensure that the entered username and password are valid. Currently, this function is supported only for MySQL instances.

URI

PUT /v3/{project_id}/instances/{instance_id}/db-users/{db_user_id}

**Table 1** Path parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. To obtain this value, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.
db_user_id	Yes	String	Database user ID.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token.
X-Language	No	String	Language. The value can be: zh-cn en-us

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
db_username	Yes	String	Database username.
db_user_password	Yes	String	Database user password.

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
result	String	Modification result. If the modification is successful, OK is returned.

Status code: 400

**Table 5** Response body parameters
Parameter	Type	Description
error_code	String	Error code. Minimum length: 8 Maximum length: 36
error_msg	String	Error message. Minimum length: 2 Maximum length: 512

Status code: 500

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code. Minimum length: 8 Maximum length: 36
error_msg	String	Error message. Minimum length: 2 Maximum length: 512

Example Requests

Changing the database username to user

PUT https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/instances/da304cd5bbb944de828759bc7be3d3fein01/db-users/24c0c455-1f0e-448b-acb2-6e184b4ffcfa

{
  "db_username" : "user",
  "db_user_password" : "password"
}