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PolarDB:DescribeDrdsTasks

Last Updated:Jul 10, 2026

Queries the change tasks of an instance by calling the DescribeDrdsTasks operation.

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RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

drds:DescribeDrdsTasks

get

*instance

acs:drds:{#regionId}:{#accountId}:instance/{#instanceId}/db/*

None None

Request parameters

Parameter

Type

Required

Description

Example

DrdsInstanceId

string

Yes

The instance ID.

drdsxxxxxxxxxxxx

DbName

string

No

The database name.

test

TaskType

string

No

The task type.

test

Response elements

Element

Type

Description

Example

object

Success

boolean

Indicates whether the request was successful.

true

RequestId

string

The request ID.

CD412DF7-F21D-44CE-88FF-ED24917174A8

Tasks

object

Task

array<object>

The task list.

object

State

string

Indicates the state of the task.

FAILED

Content

string

Indicates the content of a task.

upgrade_instance

Id

integer

Indicates the ID of the task.

64148

Examples

Success response

JSON format

{
  "Success": true,
  "RequestId": "CD412DF7-F21D-44CE-88FF-ED24917174A8",
  "Tasks": {
    "Task": [
      {
        "State": "FAILED",
        "Content": "upgrade_instance",
        "Id": 64148
      }
    ]
  }
}

Error codes

HTTP status code

Error code

Error message

Description

400 ActionUnauthorized The specified action is not available for you
500 InternalError The request processing has failed due to some unknown error.
404 InvalidDRDSInstanceId.NotFound The DrdsInstanceId provided does not exist in our records.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.