使用边信息创建内部Gremlin查询

Question

I'm trying to create user Notification whenever any user comments on user's post.

i'm using following gremlin query -

g.v(512).outE('Notification').order{it.b.PostedDate <=> it.a.PostedDate}[0..3].transform{ [notificationInfo:it,postInfo:it.inV]}

and am getting following result -

Am getting NotificationInitiatedByVertexId value in edge. how can I use that vertex id (ie. NotificationInitiatedByVertexId: 1280) to get information about the vertex in the same query result.

Answer 1

我建议尝试将其添加到您已经拥有的transform语句中：

g.v(512).outE('Notification').order{it.b.PostedDate <=> it.a.PostedDate}[0..3].transform{ [notificationInfo:it,postInfo:it.inV,notifiedV:g.v(it.NotificationInitiatedByVertexId)]}