ModifyDBInstanceParameters

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2. Input Parameters

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 Params. The value used for this API: ModifyDBInstanceParameters.
Version	Yes	String	Common Params. The value used for this API: 2017-03-12.
Region	No	String	Common Params. This parameter is not required for this API.
DBInstanceId	Yes	String	Instance ID.
ParamList.N	Yes	Array of ParamEntry	Parameters to be modified and expected values.

3. Output Parameters

Parameter Name	Type	Description
RequestId	String	The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Modifying a single parameter for an instance

u200cThis example shows you how to modify the value of the max_replication_slots parameter to 20 for an instance.

Input Example

POST / HTTP/1.1
Host: postgres.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: ModifyDBInstanceParameters
<Common request parameters>

{
    "DBInstanceId": "postgres-lzrwgg6d",
    "ParamList": [
        {
            "Name": "max_replication_slots",
            "ExpectedValue": "20"
        }
    ]
}

Output Example

{
    "Response": {
        "RequestId": "ec555918-0c22-42ea-aa23-730167195708"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

Tencent Cloud CLI 3.0

6. Error Code

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.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.
InternalError.InternalHttpServerError	An exception occurred while executing the request.
InvalidParameterValue.DataConvertError	Failed to convert data format. Please contact customer service.
OperationDenied.CamDeniedError	This operation cannot be performed.
OperationDenied.InstanceStatusLimitError	This operation cannot be performed on an instance in this status.
OperationDenied.InstanceStatusLimitOpError	This operation cannot be performed on an instance in this status.
ResourceNotFound.InstanceNotFoundError	The instance does not exist.

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1. API Description