Checking Whether Historical Transactions Is Enabled

Function

This API is used to check whether Historical Transactions is enabled.
Currently, this function is only available to RDS for MySQL.

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	Dependency
das::showCloudDBAInfo	read	-	-	-	-

URI

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

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Explanation: Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints: N/A Values: The value can contain 32 characters. Only letters and digits are allowed. Default value: N/A
instance_id	Yes	String	Explanation: Unique ID of an instance Constraints: N/A Values: The value can contain 32 characters. Only letters and digits are allowed. Default value: N/A

**Table 2** Query parameter
Parameter	Mandatory	Type	Description
datastore_type	Yes	String	Explanation: Database type Values: Only RDS for MySQL is supported.

Request Parameters

None

Response Parameters

Status code: 200

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

Example Request

Querying whether Historical Transaction is enabled

"GEThttps://das.cn-north-1.myhuaweicloud.com/v3/054c630ff780d4cc2f40c00d7f6fb21d/instances/a77c88dcfd404a64a466ca2cd2f5b8e5in01/transaction/switch?datastore_type=MySQL"