Querying Version Information About a DB Engine

Function

This API is used to query the version information of a specified DB engine. Before calling this API:

Learn how to authorize and authenticate it.
Obtain the required region and endpoint.

URI

GET /v3/{project_id}/datastores/{database_name}

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.
database_name	Yes	String	DB engine. Its value is case-insensitive and can be: gaussdb-mysql.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the token value.
X-Language	No	String	Request language type. The default value is en-us. Values: en-us zh-cn

Response Parameters

Status code: 200

**Table 3** Response body parameter
Parameter	Type	Description
datastores	Array of MysqlEngineVersionInfo objects	DB versions.

**Table 4** MysqlEngineVersionInfo
Parameter	Type	Description
id	String	DB version ID. Its value is unique.
name	String	DB version number. Only the major version number with two digits is returned.
version	String	Compatible open-source DB version. A three-number open-source version is returned.
kernel_version	String	DB kernel version. A complete four-number version is returned.

Status code: 400

**Table 5** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Querying version information about a GaussDB(for MySQL) instance

GET https://{endpoint}/v3/619d3e78f61b4be68bc5aa0b59edcf7b/datastores/gaussdb-mysql

Example Response

Status code: 200

Success.

{
  "datastores" : [ {
    "id" : "87620726-6802-46c0-9028-a8785e1f1921",
    "name" : "8.0",
    "version" : "8.0.22",
    "kernel_version" : "2.0.28.18"
  } ]
}