Graph
Collections 集合有兩種類型:
document
:圖的節點edge
:圖的邊- 比 document 類型多了
_from
和_to
屬性,表示兩個 document 之間的聯繫。
- 比 document 類型多了
🌰 動手操作:
步驟
- 創建集合1
- 創建集合2
- 建立關係
首先創建集合:
然後插入數據(文檔):
// 插入圖書數據至集合 Books
FOR book IN [
{ name: "乖,摸摸頭", author:"大冰", year: "2014"},
{ name: "阿彌陀佛麼麼噠", author:"大冰", year: "2015"},
{ name: "好嗎好的", author:"大冰", year: "2016"},
{ name: "我不", author:"大冰", year: "2017"},
{ name: "你壞", author:"大冰", year: "2018"}
]
INSERT book INTO Books
// 插入作者數據至集合 Authors
FOR author IN [
{ name: "大冰", birth:"1980-10-23"}
]
INSERT author INTO Authors
最後建立關係:
FOR b in Books
FOR a in Authors
INSERT { _from: a._id, _to: b._id } INTO wrote
RETURN NEW
GRAPHS
➡ ️Add Graph
打開新建的 Graph ,展示:
如果你打開 Graph 展示的圖上的 點
上顯示的值是數字,如何更改,使其顯示的爲圖書名稱和作者姓名?
💡點擊右上角的三橫圖標
,會彈出右側的選項,將點 Nodes 的 Label 選項改爲 name
就好。