我正在尝试获取 ArangoDB 中节点的邻域。
当我这样做以获取 IN 节点时:
for v in Protein_G_H
filter v._to == "p2/9606.ENSP00000326759"
return v
我得到一个结果。这样做是为了获得 OUT 节点
for v in Protein_G_H
filter v._from == "p2/9606.ENSP00000326759"
return v
我也得到了结果,但这样做:
for v in Protein_G_H
filter v._to == "p2/9606.ENSP00000326759"
filter v._from == "p1/9606.ENSP00000326759"
return v
- 或者 -
for v in Protein_G_H
filter v._to == "p2/9606.ENSP00000326759"
and v._from == "p1/9606.ENSP00000326759"
return v
进出节点我什么也没得到。问题是什么?