I am using Neo4j Enterprise v 4.3 and gds plugin v 1,7.0. I create a virtual graph, as follows:
CALL gds.graph.create.cypher(
"match_seg",
"MATCH (d:DNA_Match) where d.ancestor_rn=33454
RETURN id(d) AS id",
"MATCH (m:DNA_Match{ancestor_rn:33454)-[r:match_segment]->(s:Segment{chr:'01'}) where r.cm>=7 and r.snp_ct>=500
RETURN
id(m) AS source,
id(s) AS target,
r.cm AS weight",
{
readConcurrency: 4,
validateRelationships:FALSE
}
)
It returns a node count of 29 and relationship count of zero.
Yet, when I run the individual queries in Neo4j I get a different result.
MATCH (d:DNA_Match) where d.ancestor_rn=33454
RETURN id(d) AS id
returns 29 nodes
But here's the apparent anomaly:
MATCH (m:DNA_Match{ancestor_rn:33454})-[r:match_segment]->(s:Segment{chr:'01'}) where r.cm>=7 and r.snp_ct>=500
RETURN
id(m) AS source,
id(s) AS target,
r.cm AS weight
This returns 8726 rows.
Why am I not getting the relationships in my virtual graph?
