匹配和与何处匹配之间的区别 [英] Difference between match and match with where
本文介绍了匹配和与何处匹配之间的区别的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
有关以下差异查询(特别是性能)的简单问题:
Simple question about difference queries (especially performance) below:
MATCH (n { name:"X" }) RETURN n;
和
MATCH (n) WHERE n.name="X" RETURN n;
推荐答案
第一种样式更具可读性,但仅限于测试一个或多个标量(非数组)属性是否相等.
The first style is more readable, but limits you to testing for equality of one or more scalar (non-array) properties.
第二种样式可读性较差,但可让您充分利用Cypher谓词的全部功能.
The second style is less readable, but lets you use the full power of Cypher predicates.
在性能方面.真的没有区别.
In terms of performance. there is really no difference.
这篇关于匹配和与何处匹配之间的区别的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文