Christopher Smith created TINKERPOP-3159:
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Summary: from modulator for tree step
Key: TINKERPOP-3159
URL: https://issues.apache.org/jira/browse/TINKERPOP-3159
Project: TinkerPop
Issue Type: Improvement
Components: language
Affects Versions: 3.7.3
Reporter: Christopher Smith
I have a reusable query fragment in a business application that starts at a
"user" vertex and enumerates some various resources the user has access to,
using {{tree()}} to report structure. However, the {{tree}} step always reports
the entire traverser path from {{{}g.V(){}}}, with no way to limit
it—\{{sideEffect}}, {{{}local{}}}, and so on either don't reset it or entirely
clear the history. I would like to be able to use {{from}} on {{tree}} in the
same manner as on {{path}} so that I could do this:
{code:java}
def resources(GraphTraversal<?, Vertex> userVertex) {
userVertex.as('user')
.out('Controls').as('widgets')
.out('Contains').as('parts')
// blah blah
.tree('resourceTree').from('user')
.project //...
}{code}
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