Help Center/ TaurusDB/ API Reference/ APIs/ Parameter Template Management/ Updating a Custom Parameter Template
Updated on 2026-09-14 GMT+08:00

Updating a Custom Parameter Template

Function

This API is used to update a custom parameter template by synchronizing the parameter values from the default parameter template, including the specification parameter values. Before calling this API:

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependency

    gaussdbformysql:param:update

    Write

    -

    -

    gaussdb:param:modify

    -

URI

PUT /v3/{project_id}/configurations/{configuration_id}/upgrade

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID of a tenant in a region.

To obtain this value, see Obtaining a Project ID.

Constraints

N/A

Range

The value contains 32 characters. Only letters and digits are allowed.

Default Value

N/A

configuration_id

Yes

String

Definition

Parameter template ID, which uniquely identifies the parameter template.

To obtain this value, see Querying Parameter Templates.

Constraints

N/A

Range

The value can contain 36 characters. Only letters and digits are allowed.

Default Value

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

User token. To obtain this value, call the IAM API for obtaining a user token.

The value of X-Subject-Token in the response header is the token value.

Constraints

N/A

Range

N/A

Default Value

N/A

Content-Type

Yes

String

Definition

Content type.

Constraints

N/A

Range

application/json

Default Value

application/json

X-Language

No

String

Definition

Request language type.

Constraints

N/A

Range

  • en-us: English

  • zh-cn: Chinese

Default Value

en-us

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

parameters

No

Array of strings

Definition

List of differential parameters to be updated.

  • If a parameter has a value, update it to the value in the default template.

  • If a parameter is left empty or not passed, retain the original value in the custom template.

Constraints

N/A

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

name

String

Definition

Parameter template name.

Range

N/A

diff_parameters

Array of GroupParameterDiffInfo objects

Definition

List of differential parameters.

skipped_parameter_names

Array of strings

Definition

List of parameters that are skipped during the update (the original value is the same as the target value).

Table 5 GroupParameterDiffInfo

Parameter

Type

Description

name

String

Definition

Parameter name.

Range

N/A

source_value

String

Definition

Source parameter value (value in the current template).

Range

N/A

target_value

String

Definition

Target parameter value (value in the default template).

Range

N/A

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Request

Updating a custom parameter template

PUT https://{endpoint}/v3/97b026aa9cc4417888c14c84a1ad9860/configurations/61a4ea66210545909d74a05c27a7179fin07/upgrade

{
  "parameters" : [ "max_connections", "innodb_buffer_pool_size" ]
}

Example Response

Status code: 200

Success.

{
  "name" : "paramTemplate-test",
  "diff_parameters" : [ {
    "name" : "max_connections",
    "source_value" : "100",
    "target_value" : "200"
  } ],
  "skipped_parameter_names" : [ "innodb_buffer_pool_size" ]
}

SDK Sample Code

The SDK sample code is as follows.

Updating a custom parameter template

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.gaussdb.v3.region.GaussDBRegion;
import com.huaweicloud.sdk.gaussdb.v3.*;
import com.huaweicloud.sdk.gaussdb.v3.model.*;

import java.util.List;
import java.util.ArrayList;

public class UpgradeConfigurationSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        GaussDBClient client = GaussDBClient.newBuilder()
                .withCredential(auth)
                .withRegion(GaussDBRegion.valueOf("<YOUR REGION>"))
                .build();
        UpgradeConfigurationRequest request = new UpgradeConfigurationRequest();
        request.withConfigurationId("{configuration_id}");
        UpgradeConfigurationRequestBody body = new UpgradeConfigurationRequestBody();
        List<String> listbodyParameters = new ArrayList<>();
        listbodyParameters.add("max_connections");
        listbodyParameters.add("innodb_buffer_pool_size");
        body.withParameters(listbodyParameters);
        request.withBody(body);
        try {
            UpgradeConfigurationResponse response = client.upgradeConfiguration(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Updating a custom parameter template

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkgaussdb.v3.region.gaussdb_region import GaussDBRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkgaussdb.v3 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = GaussDBClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(GaussDBRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = UpgradeConfigurationRequest()
        request.configuration_id = "{configuration_id}"
        listParametersbody = [
            "max_connections",
            "innodb_buffer_pool_size"
        ]
        request.body = UpgradeConfigurationRequestBody(
            parameters=listParametersbody
        )
        response = client.upgrade_configuration(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Updating a custom parameter template

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    gaussdb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth, err := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        SafeBuild()

    if err != nil {
        fmt.Println(err)
        return
    }

    hcClient, err := gaussdb.GaussDBClientBuilder().
         WithRegion(region.ValueOf("<YOUR REGION>")).
         WithCredential(auth).
         SafeBuild()


    if err != nil {
        fmt.Println(err)
        return
    }

    client := gaussdb.NewGaussDBClient(hcClient)

    request := &model.UpgradeConfigurationRequest{}
	request.ConfigurationId = "{configuration_id}"
	var listParametersbody = []string{
        "max_connections",
	    "innodb_buffer_pool_size",
    }
	request.Body = &model.UpgradeConfigurationRequestBody{
		Parameters: &listParametersbody,
	}
	response, err := client.UpgradeConfiguration(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.