Updated on 2025-07-11 GMT+08:00

Changing a DB Instance Name

Function

This API is used to change a DB instance name. Before calling this API:

URI

PUT /v3/{project_id}/instances/{instance_id}/name

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition:

Project ID of a tenant in a region.

To obtain this value, see Obtaining a Project ID.

Constraints:

N/A

Range:

The value can contain 32 characters. Only letters and digits are allowed.

Default value:

N/A

instance_id

Yes

String

Definition:

Instance ID, which uniquely identifies an instance.

Constraints:

N/A

Range:

The value can contain 36 characters with a suffix of in07. Only letters and digits are allowed.

Default value:

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition:

User token. To obtain this value, call the IAM API for obtaining a user token.

The value of X-Subject-Token in the response header is the token value.

Constraints:

N/A

Range:

N/A

Default value:

N/A

X-Language

No

String

Definition:

Request language type.

Constraints:

N/A

Range:

  • en-us

  • zh-cn

Default value:

en-us

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

name

Yes

String

Definition:

Instance name.

Constraints:

Instances of the same type can have the same name under the same tenant.

Range:

The name must start with a letter and consist of 4 to 64 characters. Only letters (case-sensitive), digits, hyphens (-), and underscores (_) are allowed.

Default value:

N/A

is_modify_node_name

No

String

Definition:

Whether to synchronously change the node name.

Constraints:

N/A

Range:

  • true: The node name will be synchronously changed.

  • false: The node name will not be synchronously changed.

Default value:

true

Response Parameters

Status code: 200

Table 4 Response body parameter

Parameter

Type

Description

job_id

String

Definition:

ID of the task for changing an instance name.

Range:

N/A

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Request

Changing the instance name to gaussdb-name

PUT https://{endpoint}/v3/054e292c9880d4992f02c0196d3ea468/instances/ba62a0b83a1b42bfab275829d86ac0fdin07/name
{
  "name" : "gaussdb-name"
}

Example Response

Status code: 200

Success.

{
  "job_id" : "0f6b6a9e-bd39-4e95-9374-e4d134e5a3d1"
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.