Hi,
It is a bug. I've created an issue for you:
https://github.com/orientechnologies/orientdb/issues/2366
Best regards,
Artem Orobets
*Orient Technologies the Company behind OrientDB*
2014-05-21 11:05 GMT+03:00 Andrey Lomakin <lomakin.and...@gmail.com>:
> Hi,
> You are right.
> Could you open issue ?
>
>
> On Wed, May 21, 2014 at 8:52 AM, hyunjin yi <hjy...@gmail.com> wrote:
>
>> I want to gain shortest path with weight(ex. length of link).
>> I'm trying dijkstra() function on OrientDB-1.7-rc2, but dijkstra() may
>> not work.
>> This function parameter is Dijkstra(shource_RID, target_RID, 'weight',
>> 'direction').
>> Dijkstra() function work well on OrintDB-1.3.
>>
>> *Insert java code :*
>> OrientGraph graph = new
>> OrientGraph(plocal:/home/orientdb-community-1.7-rc2/databases/Network);
>> Vertex v1 = graph.addVertex(null);
>> Vertex v2 = graph.addVertex(null);
>> Vertex v3 = graph.addVertex(null);
>> Vertex v4 = graph.addVertex(null);
>> v1.setProperty("node_id", "A");
>> v2.setProperty("node_id", "B");
>> v3.setProperty("node_id", "C");
>> v4.setProperty("node_id", "D");
>> Edge e1 = graph.addEdge(null, v1, v2, "weight");
>> e1.setProperty("weight", 1.0f);
>> Edge e2 = graph.addEdge(null, v2, v3, "weight");
>> e2.setProperty("weight", 1.0f);
>> Edge e3 = graph.addEdge(null, v1, v3, "weight");
>> e3.setProperty("weight", 100.0f);
>> Edge e4 = graph.addEdge(null, v3, v4, "weight");
>> e4.setProperty("weight", 1.0f);
>> graph.commit();
>>
>> *Select java code : *
>> OrientGraph graph = new
>> OrientGraph(plocal:/home/orientdb-community-1.7-rc2/databases/Network);
>> Vertex from_vertex = graph.getVertices("node_id", "A").iterator().next();
>> Vertex to_Vertex = graph.getVertices("node_id", "D").iterator().next();
>> OSQLSynchQuery<T> sql_v = new OSQLSynchQuery<T>("select flatten(dijkstra)
>> from (select dijkstra(" + from_vertex.getId().toString() + ", " +
>> to_vertex.getId().toString() + ", 'weight'))");
>> List<ODocument> execute_v = db.query(sql_v);
>> for(ODocument od : execute_v) {
>> System.out.println("vertex list : "+od.field("node_id"));
>> }
>>
>> Right result is A->B->C->D on OrientDB 1.3
>> But result of OrientDB 1.7 is A->C->D
>>
>> Is there bug in dijkstra() function?
>>
>>
>>
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>>
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>
>
>
> --
> Best regards,
> Andrey Lomakin.
>
> Orient Technologies
> the Company behind OrientDB
>
> --
>
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