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

Enabling or Disabling Historical Transactions

Function

This API is used to enable or disable Historical Transactions, which is only available to RDS for MySQL and depends on Collect Slow Query Logs and Collect All Query Logs.

Authorization Information

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

If you are using role/policy-based authorization, see the required permissions in Permissions Policies and Supported Actions.
If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action

Access Level

Resource Type (*: required)

Condition Key

Alias

Dependencies

das:clouddba:changeTransactionSwitch

Write

Instance

-

-

-

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

URI

POST /v3/{project_id}/instances/{instance_id}/transaction/switch

**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 supported. Default Value N/A
instance_id	Yes	String	Definition Instance ID, which uniquely identifies an instance. You can obtain the instance ID from the instance list or instance details. Constraints N/A Range The value can contain 36 characters. Only letters and digits are allowed. Default Value N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
switch_status	Yes	String	Definition Switch status Constraints N/A Range Disabled Enabled Default Value N/A
datastore_type	Yes	String	Definition Database type Constraints Only RDS for MySQL is supported. Range MySQL Default Value N/A

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
switch_status	String	Definition Switch status Range Enabled: The function is enabled. Disabled: The function is disabled. Switching: The status is being switched.

Example Requests

Enabling Collect All Query Logs

POST https://das.cn-north-1.myhuaweicloud.com/v3/054c630ff780d4cc2f40c00d7f6fb21d/instances/d871e13ee1044e21a473330cd67047cbin01/transaction/switch

{
   "switch_status":"Enabled",
   "datastore_type":"MySQL"
}

Example Responses

Status code: 200

Response body

{
  "switch_status" : "Enabled"
}

Status Codes

Status Code	Description
200	Response body
400	Client error
500	Server error

Error Codes

See Error Codes.

Parent topic: Intelligent O&M