如何查找Cypher查詢的複雜度?Cypher查詢複雜度
這是我的查詢:
確定一個暗號查詢的「成本」是使用 PROFILE關鍵字先於您的查詢的MATCH (G1:FirstGraph)
MATCH (G2:SecondGraph {IdRule:G1.IdRule})
WHERE G2.VRule<>G1.VRule
MATCH (R:Rule{IdRule:G1.IdRule})
WITH G1,G2, count(R) as NbrOfVers
MATCH (T:ResultNode)
WITH T,sum(1-(tofloat(ABS(G2.VRule-G1.VRule))/NbrOfVers)) AS sum
SET T.SubCorrel = sum
你是什麼意思的複雜性? –
https://en.wikipedia.org/wiki/Analysis_of_algorithms – Kamelio
我認爲你指的是算法的複雜性,但在這種情況下沒有意義,因爲它取決於查詢優化器的選擇。 –