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Modifying a Parameter Template

Updated on 2024-04-13 GMT+08:00

Function

This API is used to modify a specified parameter template, including the name, description, and values of specified parameters in the parameter template.

  • Before calling an API, you need to understand the API in Authentication.

Constraints

  • This API is supported for MySQL and PostgreSQL databases.
  • The modified parameter template name must be different from the name of an existing or a default parameter template. Default parameter templates cannot be modified.
  • The values of the edited parameters must be within the default value range of the specified database version. For details about the range of parameter values, see "Modifying Parameters in a Parameter Template" in the Relational Database Service User Guide.
  • The parameter values to be changed cannot be left blank at the same time.

URI

  • URI format

    PUT /v3/{project_id}/configurations/{config_id}

  • Example

    https://{Endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/configurations/463b4b58-d0e8-4e2b-9560-5dea4552fde9

  • Parameter description
    Table 1 Parameter description

    Name

    Mandatory

    Description

    project_id

    Yes

    Specifies the project ID of a tenant in a region.

    For details about how to obtain the project ID, see Obtaining a Project ID.

    config_id

    Yes

    Specifies the parameter template ID.

Request

  • Parameter description
    NOTICE:

    At least one parameter in the request body must be specified. Otherwise, the request fails to be delivered.

    Table 2 Parameter description

    Name

    Mandatory

    Type

    Description

    name

    No

    String

    Specifies the parameter template name. It contains a maximum of 64 characters and can contain only uppercase letters, lowercase letters, digits, hyphens (-), underscores (_), and periods (.).

    description

    No

    String

    Specifies the parameter template description. It contains a maximum of 256 characters and does not support the following special characters: !<>='&" Its value is left blank by default.

    values

    No

    Map<String,String>

    Specifies the parameter values defined by users based on the default parameter templates. If this parameter is not specified, no parameter value is to be changed.

    • key: parameter name. For example, in "max_connections": "10", the key is max_connections. If key is left blank, the parameter value is not to be changed. If key is not empty, the parameter value cannot be empty, either.
    • value: parameter value. For example, in "max_connections": "10", the value is 10.
  • Request example
    { 
        "name": "configuration_test", 
        "description": "configuration_test", 
        "values": { 
           "max_connections": "10", 
           "autocommit": "OFF" 
        } 
    }

Response

Status Code

Error Code

For details, see Error Codes.

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