This is machine translation

Translated by Microsoft
Mouseover text to see original. Click the button below to return to the English version of the page.

Note: This page has been translated by MathWorks. Click here to see
To view all translated materials including this page, select Country from the country navigator on the bottom of this page.


Search Neo4j database nodes by node identifier


nodeinfo = searchNodeByID(neo4jconn,nodeid)



nodeinfo = searchNodeByID(neo4jconn,nodeid) creates the Neo4jNode object using the Neo4j® database connection neo4jconn and the node identifier nodeid.


collapse all

Create a Neo4j® database connection using the URL http://localhost:7474/db/data, user name neo4j, and password matlab.

url = 'http://localhost:7474/db/data';
username = 'neo4j';
password = 'matlab';

neo4jconn = neo4j(url,username,password);

Check the Message property of the Neo4j connection object neo4jconn. The blank Message property indicates a successful connection.

ans =


Search the database for the node with the node identifier 2 by using the Neo4j database connection neo4jconn.

nodeid = 2;

nodeinfo = searchNodeByID(neo4jconn,nodeid)
nodeinfo = 
  Neo4jNode with properties:

        NodeID: 2
      NodeData: [1×1 struct]
    NodeLabels: 'Person'

nodeinfo is a Neo4jNode object with these properties:

  • Node identifier

  • Node data

  • Node labels

Access the property keys and values of the node using the property NodeData.

ans = struct with fields:
    name: 'User2'

Close the database connection.


Input Arguments

collapse all

Neo4j database connection, specified as a Neo4jConnect object created with the function neo4j.

Node identifier of a Neo4j database node, specified as a numeric scalar for one node in the Neo4j database, or a numeric vector for multiple nodes. If a node identifier is unknown, search for nodes using searchNode and search for relationships using searchRelation.

Data Types: double

Output Arguments

collapse all

Node information for one node in the Neo4j database, returned as a Neo4jNode object. You can use this node as the origin node for searching the Neo4j database.

Introduced in R2016b