OrientDB query all out edges - orientdb

Question

I want to do a query in OrientDB but i don't know how it works.
I'm using the Graph API and my DB looks like this:
class(V): #route (Name, Start, Length, Goal)
class(V): #direction (Goal, length)
class(E): #has_A
class(E): #start_Direction
class(E): #has_Follower
The Edges are connected to the Vertices like this:
route -> has_A -> direction
route -> start_Direction -> direction
direction -> has_Follower -> direction
now i need to find all followers by the name of the route,
what works so far is when i enter a rid (of the class startDirection) directly to the query for example:
select * from (traverse outE('has_Follower'),has_Follower.in from #??:?) where #class='direction'
But now i need to get to the rid over the Name of the route (which is the problem), what i tried so far is:
select * from (traverse outE('has_Follower'),has_Follower.in from (select #rid from start_Direction where start_Direction.out = (select #rid from route where Name = 'nameOfroute'))) where #class='direction'
But this gives me an empty query, although when i type in the rid from start_Direction of which i know has a has_Follower it works.
Hope this is understandable, thanks for any help in advance.

Answer 1

One problem in your query is probably start_Direction.out = (select..., you have to use an IN instead of an =, eg start_Direction.out IN (select....
In general, I think the easiest way to do what you need is as follows:
MATCH
{class:route, as:route} -start_Direction-> {} -has_Follower-> {as:direction, while:(true)}
RETURN route.#rid, route.Name, route.Start, route.Length, route.Goal, direction.Goal, direction.length
Or just RETURN $elements if you want single records per row