Creating a Database

Function

This API is used to create a database for a TaurusDB instance. Before calling this API:

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

URI

POST /v3/{project_id}/instances/{instance_id}/databases

**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
instance_id	Yes	String	Definition Instance ID, which uniquely identifies an instance. Constraints N/A Range The value contains 36 characters with a suffix of in07. 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
X-Language	No	String	Definition Request language type. Constraints N/A Range en-us zh-cn Default Value en-us

**Table 3** Request body parameter
Parameter	Mandatory	Type	Description
databases	Yes	Array of CreateGaussMySqlDatabase objects	Definition Database list. Constraints The list can contain a maximum of 50 databases.

**Table 4** CreateGaussMySqlDatabase
Parameter	Mandatory	Type	Description
name	Yes	String	Definition Database name. Constraints N/A Range The database name can contain 1 to 64 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed. The total number of hyphens (-) cannot exceed 10. Default Value N/A
comment	No	String	Definition Database description. Constraints N/A Range The value can consist of up to 512 characters. It cannot contain carriage returns or any of the following special characters: !<"='>& Default Value N/A
character_set	Yes	String	Definition Character set used by the database. Constraints N/A Range utf8: UTF-8 character set, which uses one to three bytes per character. latin1: It contains 256 characters, which are the ASCII characters plus 128 common Western European characters. It uses 1 byte per character. utf8mb4: complete UTF-8 character set, which uses one to four bytes per character. It can represent more characters, including some special characters and emojis. Default Value N/A
users	No	Array of GaussMySqlDatabaseUser objects	Definition List of database users. When you create a database, you can grant the database permissions to the users in the list. To grant database permissions to a database user, call the API (Granting Permissions to a Database User). Constraints If there is no database user in the list, you cannot grant the database permissions to database users when creating a database. The list can contain a maximum of 50 database users.

**Table 5** GaussMySqlDatabaseUser
Parameter	Mandatory	Type	Description
name	Yes	String	Definition Database username. Constraints N/A Range The username can consist of 1 to 32 characters. Only letters, digits, and underscores (_) are allowed. Default Value N/A
host	Yes	String	Definition Host IP address. Constraints N/A Range If the value is %, all IP addresses are allowed to access your TaurusDB instance. If the value is 10.10.10.%, all IP addresses in the subnet 10.10.10.X are allowed to access your TaurusDB instance. To specify multiple IP addresses, separate them with commas (,), for example, 192.168.0.1,172.16.213.9 (no spaces before or after the comma). Default Value N/A
readonly	Yes	Boolean	Definition Whether the permission is read-only. Constraints N/A Range true: read-only false: read/write Default Value N/A

Response Parameters

Status code: 201

**Table 6** Response body parameter
Parameter	Type	Description
job_id	String	Definition ID of the task for creating a database. Range N/A

Status code: 400

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Creating a database (with utf8mb4 as character set and read/write permission)

POST https://{endpoint}/v3/054e292c9880d4992f02c0196d3ea468/instances/a23fb62bd61e4e9e9636fd2225f395bein07/databases
{
  "databases" : [ {
    "name" : "test",
    "comment" : "database_comment",
    "character_set" : "utf8mb4",
    "users" : [ {
      "name" : "gaussdb_mysql_user1",
      "host" : "127.0.0.1",
      "readonly" : false
    } ]
  } ]
}

Example Response

Status code: 201

Success.

{
  "job_id" : "dff1d289-4d03-4942-8b9f-463ea07c000d"
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: Database Management

Previous topic: Querying Available Database Character Sets

Next topic: Querying Databases

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