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Head's Up! These forums are read-only. All users and content have migrated. Please join us at community.neo4j.com.

czp
Node Link
since ‎03-07-2022
‎02-06-2023

User Statistics

  • 11 Posts
  • 0 Solutions
  • 3 Kudos given
  • 1 Kudos received

User Activity

Some questions about path pattern matching

01-03-2023
Neo4j Version: 4.2.4Operating System: MacOsAPI: Cypher According to the documentation, the same path cannot contain the same relationship. Does this mean that variables of type relationship collection cannot appear in the same path matching? Relation...

How to optimize the performance of scanning edge data

11-27-2022
I have a graph that has 80 million vertexes and 30 million edges. I need to scan all the edge data, including the ids of its starting and ending vertexes.But the performance is poor and I need to optimize it. This is my query: MATCH (v)-[e:E1]->(n)...

A small question about cypher semantics

10-06-2022
How should I understand the semantics of these cypher statements. Why the first and second statements have no results and the third statement outputs a line of results? neo4j@neo4j> with 3 as c1 match (v:nonexist) return count(v) as c2, c1;+---------...

What's the difference between `shortestpath` and `allshortestpaths`?

03-07-2022
query1: match p=shortestpath((a:A)-[e:E*1..3]->(b:B)) return p,size(e) AS steps query2: match p=allshortestpaths((a:A)-[e:E*1..3]->(b:B)) return p,size(e) AS steps I did some tests and they all got the same result, my expectation is that if there ar...
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