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

Querying Information About a Binlog Export Task

Function

This API is used to query information about a binlog export task.

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:listBinlog

List

Instance

-

-

-

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

URI

GET /v3/{project_id}/connections/{connection_id}/binlog-parse/get-export-task-info

**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
connection_id	Yes	String	Definition Connection ID established between a database account and the database. The database user ID is created using the API in Creating an Instance Connection. Constraints N/A Range The value is a UUID containing 36 characters. Only letters, digits, and hyphens (-) are allowed. Default Value N/A

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
export_task_id	Yes	Long	Definition ID of an export task Constraints N/A Range N/A Default Value N/A

Request Parameters

None

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
task_id	Long	Definition ID of an export task Range N/A
instance_id	String	Definition Instance ID, which uniquely identifies an instance. You can obtain the instance ID from the instance list or instance details. Range The value can contain 36 characters. Only letters and digits are allowed.
task_status	Integer	Definition Task status Range 0: initializing 1: running 2: partially successful 3: successful 4: failed -1: deleted
start_time	Long	Definition Task start time, in milliseconds Range N/A
end_time	Long	Definition Task end time, in milliseconds Range N/A
create_at	Long	Definition Task creation time, in milliseconds Range N/A
export_line_num	Long	Definition Number of exported rows Range N/A
download_url	String	Definition Download address of an exported file Range N/A

Example Requests

GET https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/connections/179e525e-0e9c-4dcc-9dd7-ee2f36121e23/binlog-parse/get-export-task-info?export_task_id=3401

Example Responses

Status code: 200

Success.

{
    "task_id": 3401,
    "instance_id": "bcfa975193f1402fa11a6d4fd6baf5fbin01",
    "task_status": 3,
    "start_time": 1764141190002,
    "end_time": 1764141190596,
    "create_at": 1764141187803,
    "export_line_num": 2,
    "download_url": "https://obs_url/"
}

Status Codes

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

Error Codes

See Error Codes.

Parent topic: Intelligent O&M