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DataWorks:ListNodeInputOrOutput

Last Updated:Nov 21, 2024

Queries the input or output information of a node.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
dataworks:*get
*All Resources
*
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
NodeIdlongYes

The node ID. You can call the ListNodes operation to query the ID.

12314567
ProjectEnvstringYes

The environment of the workspace. Valid values: DEV and PROD.

PROD
IoTypestringYes

The type of node that you want to query. Valid values:

  • input: ancestor node
  • output: descendant node
output

Response parameters

ParameterTypeDescriptionExample
object

The response parameters.

HttpStatusCodeinteger

The HTTP status code.

200
RequestIdstring

The request ID.

E6F0DBDD-5AD****
ErrorMessagestring

The error message.

The project does not exist.
ErrorCodestring

The error code.

Invalid.Tenant.ProjectNotExists
Successboolean

Indicates whether the request was successful.

true
Dataarray<object>

The ancestor or descendant nodes.

Dataobject
TableNamestring

This parameter does not take effect. You cannot obtain the parameter settings.

dwd_xxx_table
Datastring

The name of the ancestor or descendant node.

xxxx.123141254_out
NodeIdlong

The node ID.

1234667

Examples

Sample success responses

JSONformat

{
  "HttpStatusCode": 200,
  "RequestId": "E6F0DBDD-5AD****",
  "ErrorMessage": "The project does not exist.",
  "ErrorCode": "Invalid.Tenant.ProjectNotExists",
  "Success": true,
  "Data": [
    {
      "TableName": "dwd_xxx_table",
      "Data": "xxxx.123141254_out",
      "NodeId": 1234667
    }
  ]
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

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