[英]How to retrieve only the nodes from the path in Neo4J Cypher query?
我有以下類型的查詢:
MATCH (u1:User{name:"user_name"}), (s1:Statement), s1-[:BY]->u1
WITH DISTINCT s1,u1
MATCH (s2:Statement), s2-[:BY]->u1,
p=s1<-[:OF]-c-[:OF]->s2
WHERE s1 <> s2
WITH collect(p) AS coll, count(p) AS paths, s1, s2
RETURN s1,s2,paths,coll
ORDER BY paths DESC
LIMIT 2;
現在,它返回coll
變量中所有路徑p的列表。 我希望它僅列出節點c
。 如何做到這一點?
也許查詢不正確,在這種情況下,我想做的是
1)查找用戶所作的所有陳述;
2)找到連接這兩個語句的節點;
3)返回那些連接最多的節點(ORDER BY DESC)的語句,包括連接它們的實際節點的名稱。
謝謝!
我目前無法測試,但是您可以嘗試類似
MATCH (u:User {name:"user_name"})<-[:BY]-(s1)<-[:OF]-(c)-[:OF]->(s2)-[:BY]->(u)
RETURN s1, s2, collect(c) as connections
ORDER BY length(connections) DESC
LIMIT 2
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