Domain name for API request: postgres.tencentcloudapi.com.
This API is used to modify the RO group of an instance.
A maximum of 20 requests can be initiated per second for this API.
Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example: postgres.ap-shanghai-fsi.tencentcloudapi.com
The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.
| Parameter Name | Required | Type | Description |
|---|---|---|---|
| Action | Yes | String | Common parameter. The value used for this API: ModifyDBInstanceReadOnlyGroup. |
| Version | Yes | String | Common parameter. The value used for this API: 2017-03-12. |
| Region | Yes | String | Common parameter. For more information, please see the list of regions supported by the product. |
| DBInstanceId | Yes | String | Instance ID |
| ReadOnlyGroupId | Yes | String | ID of the RO group to which the read-only replica belongs |
| NewReadOnlyGroupId | Yes | String | ID of the new RO group into which the read-only replica will move |
| Parameter Name | Type | Description |
|---|---|---|
| FlowId | Integer | Task ID |
| RequestId | String | The unique request ID, which is returned for each request. RequestId is required for locating a problem. |
https://postgres.tencentcloudapi.com/?Action=ModifyDBInstanceReadOnlyGroup
&DBInstanceId="postgres-k95qzetn"
&NewReadOnlyGroupId=NewGroup
&ReadOnlyGroupId=OldGroup
&<Common request parameters>{
"Response": {
"RequestId": "d43b2a9f-070c-480b-a0bb-7c210428cfe8",
"FlowId": 912
}
}TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.
| Error Code | Description |
|---|---|
| FailedOperation.CamAuthFailed | CAM authentication failed. |
| FailedOperation.CamSigAndAuthError | Authentication failed. Please try again later. If the problem persists, please contact customer service. |
| FailedOperation.DatabaseAccessError | Failed to access database management service. Please try again later. If the problem persists, please contact customer service. |
| FailedOperation.FailedOperationError | Operation failed. Please try again later. |
| FailedOperation.FlowCreateError | Failed to create a task. Please try again later. If the problem persists, please contact customer service. |
| FailedOperation.IllegalROInstanceNum | Invalid number of read-only replicas. |
| FailedOperation.ROGroupNotFoundError | The RO group does not exist. |
| InstanceNotExist | The current instance does not exist. |
| InternalError.SystemError | System error. When this error occurs, please contact customer service for assistance. |
| InvalidInstanceStatus | Incorrect instance status. |
| InvalidParameterValue.InvalidParameterValueError | Incorrect parameter value |
| InvalidParameterValue.InvalidReadOnlyGroupStatus | RO group in incorrect status |
| InvalidParameterValue.ParameterHandleError | Failed to process the parameter. Please check if the parameter value is valid. |
| InvalidParameterValue.ReadOnlyGroupNotExist | The RO group does not exist. |
| OperationDenied.CamDeniedError | This operation cannot be performed. |
| OperationDenied.ROGroupStatusError | This operation cannot be performed on an RO group in this status. |
| OperationDenied.RoInstanceCountExeedError | The total number of read-only nodes should not exceed the upper limit. |
| ResourceNotFound.InstanceNotFoundError | The instance does not exist. |
| ResourceUnavailable.InvalidInstanceStatus | Incorrect instance status. |
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