1
我正試圖獲取ArangoDB中的節點鄰域。獲取節點的鄰域Arangodb
當我這樣做是爲了得到節點:
for v in Protein_G_H
filter v._to == "p2/9606.ENSP00000326759"
return v
我得到一個結果。這樣做是爲了走出節點
for v in Protein_G_H
filter v._from == "p2/9606.ENSP00000326759"
return v
我也得到結果,但這樣做:
for v in Protein_G_H
filter v._to == "p2/9606.ENSP00000326759"
filter v._from == "p1/9606.ENSP00000326759"
return v
- 或 -
for v in Protein_G_H
filter v._to == "p2/9606.ENSP00000326759"
and v._from == "p1/9606.ENSP00000326759"
return v
讓進出節點的我什麼也沒得到。問題是什麼?