差异 (Diff)

Diff 是一个用于返回两个节点之间详细差异的用户函数。

apoc.diff.nodes([leftNode],[rightNode])

示例

CREATE
    (n:Person{name:'Steve',age:34, eyes:'blue'}),
    (m:Person{name:'Jake',hair:'brown',age:34})
WITH n,m
return apoc.diff.nodes(n,m)

返回的 JSON 内容

{
  "leftOnly": {
    "eyes": "blue"
  },
  "inCommon": {
    "age": 34
  },
  "different": {
    "name": {
      "left": "Steve",
      "right": "Jake"
    }
  },
  "rightOnly": {
    "hair": "brown"
  }
}