Initiates an SQL statement diagnostic request on an instance connected to DAS.

Request parameters

Parameter Type Required Example Description
Action String Yes CreateRequestDiagnosis

The operation that you want to perform. Set the value to CreateRequestDiagnosis.

InstanceId String No rm-0iwhhl8gx0ld6****

The ID of the instance.

NodeId String No 202****

The ID of the node.

Note For cluster instances that run engines such as MongoDB, you must provide the node ID.
Database String No das

The name of the database.

Sql String No select * from test where name = 'mockUser'

The SQL statement to be diagnosed.

Response parameters

Parameter Type Example Description
Code String 200

The returned HTTP status code.

Message String Successful

The returned message.

Note If the request is successful, Successful is returned. If the request fails, an error message that includes an error code is returned.
Data String 61820b594664275c4429****

The unique ID of the diagnostic task. It is used to query the diagnosis result later.

RequestId String 800FBAF5-A539-5B97-A09E-C63AB2F7****

The ID of the request.

Success String true

Indicates whether the request is successful. Valid values:

  • true: The request is successful.
  • false: The request failed.


Sample requests

&Sql=select * from test where name = 'mockUser'
&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK


JSON format

HTTP/1.1 200 OK

  "Code" : "200",
  "Message" : "Successful",
  "Data" : "61820b594664275c4429****",
  "RequestId" : "800FBAF5-A539-5B97-A09E-C63AB2F7****",
  "Success" : "true"

Error codes

HTTP status code Error code Error message Description
400 InvalidParams The request parameters are invalid. The error message returned because the specified request parameters are invalid.

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