RNeo4j (version 1.6.4)

getSingleRel: Retrieve Relationships with Cypher Queries

Description

Deprecated. Use cypherToList. Retrieve a single relationship from the graph with a Cypher query.

Usage

getSingleRel(graph, query, ...)

Arguments

graph

A graph object.

query

A character string.

...

Parameters to pass to the query in the form key = value, if applicable.

Value

A relationship object.

See Also

getRels

Examples

## Not run: 
# graph = startGraph("http://localhost:7474/db/data/")
# clear(graph)
# 
# alice = createNode(graph, "Person", name = "Alice")
# bob = createNode(graph, "Person", name = "Bob")
# charles = createNode(graph, "Person", name = "Charles")
# 
# createRel(alice, "WORKS_WITH", bob)
# createRel(bob, "KNOWS", charles, since = 2000, through = "Work")
# 
# query = "MATCH (:Person {name:'Alice'})-[r:WORKS_WITH]->(:Person {name:'Bob'})
#          RETURN r"
# 
# getSingleRel(graph, query)
# 
# query = "MATCH (:Person {name:{start}})-[r:KNOWS]->(:Person {name:{end}})
#          RETURN r"
# 
# getSingleRel(graph, query, start = "Bob", end = "Charles")
# ## End(Not run)