Problem with graph traversal

[kusha pande]

Hi 

I am trying to retriev only indexed vertices in the graph

I used the below query

Iterator<Vertex> vertices = titanTransaction.query().has("name").vertices().iterator();

This query traverses to the complete graph and fetches the result, Can anyone suggest me a better way,  The name vertex is indexed.

Thanks

[Daniel Kuppitz]

If it's indexed in ES, you can do something like this:

g.indexQuery("vertexByName", "v.name:*").vertices()

If it's just a normal Titan index, then this won't be possible.

Cheers,

Daniel

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[kusha pande]

It is not indexed in ES, Is there no other way ??

[Kevin Miller]

We accomplish this by setting a vertex_type property on all of our vertices and have an index on that key. 

We then query by doing:

g.V('vertex_type',0).toList()

or something like

g.V('vertex_type',0).out('item_belongs_to_list')