Updated on 2026-08-25 GMT+08:00

Setting the Switch of Missing Indexes

Function

This API is used to set the switch of missing indexes.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, the permission listed below is required.

Action

Access Level

Resource Type (*: required)

Condition Key

Alias

Dependencies

das:clouddba:write

write

-

-

-

-

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
das:clouddba:write	write	-	-	-	-

URI

POST /v3/{project_id}/instances/{instance_id}/missing-index/set-missing-index-switch

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain the 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 32 characters. Only letters and digits are allowed. Default Value N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
engine_type	Yes	String	Definition DB engine type. Constraints N/A Range sqlserver Default Value N/A
switch_on	Yes	Boolean	Definition Switch status. Constraints N/A Range true false Default Value N/A

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
success	Boolean	Definition Whether the operation is successful. Range N/A
status	String	Definition Status. Range 1: successful 2: failed, no polling required 3: failed, polling required
error_msg	Boolean	Definition Error message. Range N/A

Example Requests

POST https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/instances/da304cd5bbb944de828759bc7be3d3fein01/missing-index/set-missing-index-switch 

{
    "engine_type": "sqlserver",
    "switch_on": true
}

Example Responses

Status code: 200

Success.

{
    "success": true,
    "status": 1
}

Status Codes

Status Code	Description
200	Success.
400	Client error.
500	Server error.

Error Codes

See Error Codes.

Parent topic: Intelligent O&M