Help Center/ Data Admin Service/ API Reference/ APIs (in OBT)/ Intelligent O&M/ Querying Details About Historical Transaction Export Tasks

Updated on 2025-11-26 GMT+08:00

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Querying Details About Historical Transaction Export Tasks

Function

After Collect Historical Transactions is enabled, this API is used to query details about historical transaction export tasks.

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}/transaction/{instance_id}/get-export-task-info

**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, including only letters and digits. Default value: N/A
instance_id	Yes	String	Explanation: Unique ID of an instance Constraints: N/A Values: The value can contain 32 characters, including only letters and digits. Default value: N/A

**Table 2** Query parameter
Parameter	Mandatory	Type	Description
task_id	Yes	Long	Explanation: Export task ID Constraints: N/A Values: [0,2^31-1] Default value: N/A

Request Parameters

None

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Mandatory	Type
task_id	Long	Explanation: Export task ID Values: [0, 2^31-1]
instance_id	String	Explanation: Unique ID of an instance Values: The value can contain 32 characters, including only letters and digits.
task_status	Integer	Explanation: Task status Values: N/A
start_time	Long	Explanation: Start time of an export task, in milliseconds Values: N/A
end_time	Long	Explanation: End time of an export task, in milliseconds Values: N/A
create_at	Long	Explanation: Creation time of an export task, in milliseconds Values: N/A
export_line_num	Long	Explanation: Number of exported records Values: N/A
download_url	String	Explanation: OBS download link of an exported file Values: N/A

Example Request

POST https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/transaction/da304cd5bbb944de828759bc7be3d3fein01/get-export-task-info?task_id=1

Example Response

Status code: 200

Successful request

{ 
  "task_id" : 516, 
  "instance_id" : "2154f176174041c68187401a968faa41in01", 
  "task_status" : 3, 
  "start_time" : 1758522650001, 
  "end_time" : 1758522650338, 
  "create_at" : 1758522640172, 
  "export_line_num" : 204, 
  "download_url" : "https://obs.xx-xx-xx.myhuaweicloud.com:443/obs-test/innodbstatus_2154f176174041c68187401a968faa41in01_1758522650029.zip" 
}