getUniqueNode: Retrieve Nodes by Label and Property

In nicolewhite/RNeo4j: Neo4j Driver for R

Description

Retrieve a single node from the graph by specifying its label and unique key = value pair.

Usage

getUniqueNode(graph, .label, ...)

Arguments

graph	A graph object.
.label	A character string.
...	A named list. A key = value pair by which the node label is uniquely constrained.

Value

A node object.

See Also

getLabeledNodes

Examples

## Not run: 
graph = startGraph("http://localhost:7474/db/data/")
clear(graph)

createNode(graph, "Person", name = "Alice")
createNode(graph, "Person", name = "Bob")

addConstraint(graph, "Person", "name")

getUniqueNode(graph, "Person", name = "Alice")

## End(Not run)

nicolewhite/RNeo4j documentation built on May 23, 2019, 5:09 p.m.