CODEWITHSUNDEEP
neo4jcyphervariable-length
lo tolmencre
lo tolmencre

Reputation: 3934

Cypher Access Nodes of Variable Length Path

I have the following problem:

I have a MATCH clause like this one:

MACTH (A)-[*1..]->(B)

Now, if this pattern matches, I need to somehow duplicate the -[*1..]-> part and replace all node in it tat have a specific type with nodes of another type.

for example if I had this graph:

(X1:A)-[:r]->(X2:B)-[:r]->(X3:E)-[:r]->(X4:A)

I might want to get this graph after applying a rule MACTH (A:A)-[*1..]->(B:A) something something

(X1:A)-[:r]->(X2:B)-[:r]->(X3:E)-[:r]->(X4:A) , (X1)-[:r]->(X5:C)-[:r]->(X3)-[:r]->(X4)

by duplicating the path between (A) and (B) and replacing all nodes of type B with type C

But how can I access the -[*1..]-> part of the query?

Upvotes: 2

Views: 400

Answers (1)

Evgen
Evgen

Reputation: 1338

Try this

Match (p:Person)-[:RELATED*1..]->(e) 
with collect(distinct(id(e))) as ids Match (c:Country) where id(c) in ids 
remove c:Country set c:NewLabel 
return *

on data

Create (p:Person)-[:RELATED]->(b:Person)-[:RELATED]->(c:Client)-[:RELATED]->(e:Country) return *

Upvotes: 1

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