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	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
database_name	Yes	String	Definition DB engine. Constraints N/A Range gaussdb-mysql 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
X-Language	No	String	Definition Request language type. Constraints N/A Range en-us zh-cn Default Value en-us

Response Parameters

Status code: 200

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

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

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 TaurusDB 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"
  } ]
}