Adding Labels in Batches

Function

This API is used to add labels in batches.

URI

POST /ges/v1.0/{project_id}/graphs/{graph_name}/schema/labels/action?action_id=batch-add

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain the project ID, see Obtaining a Project ID.
graph_name	Yes	String	Graph name

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
labels	Yes	String	Metadata labels

**Table 3** **label** parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Name of a label. The value can contain a maximum of 256 characters, including numbers, spaces, and the following special characters: % @ # $:? *. + - _.
type	No	String	Label type, indicating that the label is used for vertices or edges. The value can be vertex, edge, or all. The default value is all, indicating that the label applies to vertices and edges.
properties	Yes	Object	Property array to be added. The array element is property. For details about the parameters, see Table 4.

**Table 4** **property** parameter description
Parameter	Mandatory	Type	Description
name	Yes	String	Property name A property name can contain a maximum of 256 characters. A property name cannot contain <, >, &, ASCII 14, 15 or 30. The property under a label must be unique.
cardinality	Yes	String	Cardinality type of a property. Possible values: single list set
dataType	Yes	String	Data type of a property. For details, see the metadata types in Table 1.
typeNameCount	No (This parameter is mandatory if dataType is enum.)	String	Total number of parameters of the enum type. This parameter controls the typeName quantity.
typeName*	No (This parameter is mandatory if dataType is enum.)	String	Names of parameters of the enum type. For example, if the value of typeNameCount is 2, the parameter contains typeName1:science and typeName2:literature.

Response Parameters

**Table 5** Response body parameters
Parameter	Type	Description
errorMessage	String	System prompt. If execution succeeds, this parameter may be left blank. If execution fails, this parameter is used to display the error message.
errorCode	String	System prompt code. If execution succeeds, this parameter may be left blank. If execution fails, this parameter is used to display the error code.
result	String	Request result. If the request is successful, the value is success. If the request fails, the value is failed.
data	Object	If some labels fail to be added, this field contains the names of the failed labels and the failure causes.

Example Request

Add metadata labels and their properties in batches. The names of the metadata labels are book and movie.

POST http://{SERVER_URL}/ges/v1.0/{project_id}/graphs/{graph_name}/schema/labels/action?action_id=batch-add  
{
    "labels": [
        {
            "name": "book",
            "type": "vertex",
            "properties": [
                {
                    "property": {
                        "name": "title",
                        "cardinality": "single",
                        "dataType": "string"
                    }
                }
            ]
        },
        {
            "name": "movie",
            "type": "vertex",
            "properties": [
                {
                    "property": {
                        "name": "movieid",
                        "cardinality": "single",
                        "dataType": "int"
                    }
                }
            ]
        }
    ]
}

SERVER_URL: Address for accessing a graph. For details about its value, see Using Service Plane APIs.

Example Response

Status code: 200

Example response for a successful request

Http Status Code: 200
{
 "result": "success"
}

Example response for a partially successful request

Http Status Code: 200
{
    "result": "partial success",
    "data": {
        "failed": [
            {
                "cause": "label name is invalid  which can only contain letters, digits, space,%,@,#,$,:,?,*,.,+,- and _",
                "labelName": "book<"
            }
        ]
    }
}

Status code: 400

Example response for a failed request

Http Status Code: 400
 {
  "errorMessage": "label already exists",
  "errorCode": "GES.8801"
 }

Status Code

Return Value	Description
400 Bad Request	Request error.
401 Unauthorized	Authorization failed.
403 Forbidden	No operation permissions.
404 Not Found	No resources found.
500 Internal Server Error	Internal server error.
503 Service Unavailable	Service unavailable.