You can call this operation DatalinkReplicationPrecheck to precheck a task.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DatalinkReplicationPrecheck

Required parameter. Value: DatalinkReplicationPrecheck.

DbName String Yes test

Specifies the name of the database.

DrdsInstanceId String Yes drds************

The ID of the DRDS instance.

DstTableName String Yes test

The name of the destination table table.

SrcTableName String Yes test

The name of the source table.

Response parameters

Parameter Type Sample response Description
Data Long 111111

The ID of the precheck task.

RequestId String F8997D95-94AD-416A-AE70-E24D08******

The ID of the request.

Success Boolean true

Indicates whether the request was sent successfully or not.


Sample requests

http(s):// Action=DatalinkReplicationPrecheck
&<Common request parameters>

Sample success responses

XML fomat


JSON format


Error codes

For a list of error codes, visit the API Error Center.