Query Data Comparison Subtask Details

Queries the execution result and difference statistics of the specified data comparison subtask.

Request URL: /openapi/v1/comparedata/queryTaskExecInfo

Request Method: GET

Request Parameters

Parameter	Type	Required	Description	Example
execId	String	Yes	Data comparison subtask ID. You can use the lastExecId returned by the main task.	285324

Request Example

/openapi/v1/comparedata/queryTaskExecInfo?execId=285324

Response Parameters

Parameter	Type	Description	Example
success	Boolean	Whether the request succeeds.	true
requestId	String	Request ID.	Iv7a8AZD-jppnsNLnpjpa8NEdiqn5VST
data	Object	Subtask details. See below.	{...}

data Fields

Parameter	Type	Description	Example
id	Integer	Data comparison subtask ID.	285324
taskId	String	Data comparison main task ID.	cd-std5nms37o
status	String	Task status. Optional values: success, failed, starting, running, stopped.	success
createTime	String	Subtask creation time (UTC).	2026-04-09 06:44:54Z
updateTime	String	Subtask update time (UTC).	2026-04-09 06:45:15Z
onlySourceRows	Integer	Number of rows that exist only on the source side.	0
onlyTargetRows	Integer	Number of rows that exist only on the target side.	0
errorMessage	String	Error message.	""
differenceRows	Integer	Number of inconsistent rows.	0
skipTableCount	String	Number of skipped tables during comparison.	"5"

Successful Invocation Example

{
  "success": true,
  "requestId": "Iv7a8AZD-jppnsNLnpjpa8NEdiqn5VST",
  "data": {
    "id": 285324,
    "createTime": "2026-04-09 06:44:54Z",
    "updateTime": "2026-04-09 06:45:15Z",
    "taskId": "cd-std5nms37o",
    "status": "success",
    "errorMessage": "",
    "onlySourceRows": 0,
    "onlyTargetRows": 0,
    "differenceRows": 0,
    "skipTableCount": "5"
  }
}