Rolling Back Shard Configuration (a V3 API)

This API is used to roll back shard configuration.

PUT /v3/{project_id}/instances/{instance_id}/databases/{db_name}/migration/jobs/{job_id}/rollback

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region
instance_id	Yes	String	DDM instance ID
db_name	Yes	String	Schema name
job_id	Yes	String	Workflow ID. For details about how to obtain the value of this parameter, see Configuring Shards (a V3 API).

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. The token can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

Status code: 202

**Table 3** Response body parameters
Parameter	Type	Description
job_id	String	Task ID

Status code: 400

**Table 4** Response body parameters
Parameter	Type	Description
error_code	String	Error code
error_msg	String	Error message

Status code: 500

**Table 5** Response body parameters
Parameter	Type	Description
error_code	String	Error code
error_msg	String	Error message

None

Status code: 202

{
  "job_id":"xxxxxxxx-5d7e-4e1a-aeb4-9b1e6d0a4999"
}

Status code: 400

Bad request

{
  "error_msg" : "Parameter error.",
  "error_code" : "DBS.280001"
}

Status code: 500

Server error

{
  "error_msg" : "Parameter error.",
  "error_code" : "DBS.280001"
}

For details, see Error Codes.

Parent topic: Schemas

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