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	Dependencies
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	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, including only letters and digits. Default Value N/A
instance_id	Yes	String	Definition Unique ID of an instance Constraints N/A Range The value can contain 32 characters, including only letters and digits. Default Value N/A

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
datastore_type	Yes	String	Definition Database type Range Only RDS for MySQL is supported.

Request Parameters

None

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

Querying whether Historical Transaction is enabled

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