Batch Querying Vertices

Function

This API is used to query the vertex data (such as the labels and properties) in batches based on the vertex IDs.

URI

POST /ges/v1.0/{project_id}/graphs/{graph_name}/vertices/action?action_id=batch-query

**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 parameter
Parameter	Mandatory	Type	Description
vertices	Yes	String	IDs of the vertices to query

Response Parameters

**Table 3** Response body parameters
Parameter	Type	Description
errorMessage	String	System prompt. If the execution succeeds, this parameter may be left blank. If the execution fails, this parameter is used to display the error message.
errorCode	String	System prompt. If the execution succeeds, this parameter may be left blank. If the execution fails, this parameter is used to display the error code.
data	Object	This parameter is returned when the query is successful, which contains the query results of vertices
result	String	Query results. The value is success for a successful request and failed for a failed request.

Example Request

Retrieve information about a group of nodes using their IDs.

POST http://{SERVER_URL}/ges/v1.0/{project_id}/graphs/{graph_name}/vertices/action?action_id=batch-query  
{
  "vertices":
  ["0","1"]
}

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
{
       "data": {
              "vertices": [
                     {
                            "id": "0",
                            "labels": [
                                   "movie"
                            ],
                            "properties": {
                                   "movie": {
                                          "movieid": [
                                                 0
                                          ],
                                          "title": [
                                                 "American Beauty (1999)"
                                          ],
                                          "genres": [
                                                 "Comedy|Drama"
                                          ]
                                   }
                            }
                     },
                     {
                            "id": "51",
                            "labels": [
                                   "user"
                            ],
                            "properties": {
                                   "user": {
                                          "userid": [
                                                 5
                                          ],
                                          "gender": [
                                                 "F"
                                          ],
                                          "age": [
                                                 "56+"
                                          ],
                                          "occupation": [
                                                 "homemaker"
                                          ],
                                          "Zip-code": [
                                                 "46911"
                                          ]
                                   }
                            }
                     }
              ]
       },
       "result": "success"
}

Status code: 400

Example response for a failed request

Http Status Code: 400
{
  "errorMessage": " Bad Request, parameter vertices cannot be null",
  "errorCode": "GES.8214"
}

Status Codes

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.