Roman,
the general syntax is
FOR vertex[, edge[, path]]
IN [min[..max]]
OUTBOUND|INBOUND|ANY startVertex
GRAPH graphName
[OPTIONS options]
the options allow you to specify the uniqueness, so to get unique vertices
and edges you can use
FOR v IN any 'vDevice/1895775' GRAPH 'linkGraph' OPTIONS {
'uniqueVertices': 'global', 'uniqueEdges': 'global' }
A detailed description of all options can be found
here: https://docs.arangodb.com/devel/AQL/Graphs/Traversals.html
Hope that helps
Frank
Am Freitag, 17. Juni 2016 09:49:47 UTC+2 schrieb Roman:
>
> Hi I have troubles to migrate GRAPH_TRAVERSAL function to new 3.0 syntax.
>
> for g in GRAPH_TRAVERSAL('linkGraph', {sn: "1.1.1.1"},"any", {uniqueness:
> {vertices: "global", edges: "global" },filterVertices :
> "myfunctions::deviceFilter"})[**].vertex.sn return g
>
> arDb.createFunction('myfunctions::deviceFilter',
> String(function(config, vertex, path) {
> if (vertex.void === true) {
> return ['prune', 'exclude'];
> }
> if (typeof vertex.sn === 'undefined') {return 'exclude';}
> })
> );
>
> I tried something like this:
>
> FOR v IN any 'vDevice/1895775' GRAPH 'linkGraph'
>
> but when I add min..max, where max is some higher number, then query is
> aborted, I guess because of cycles in graph. I have no idea how to add
> uniqeness.
>
> Thanks
>
> Roman
>
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