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https://issues.apache.org/jira/browse/TINKERPOP-1522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Kuppitz closed TINKERPOP-1522.
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Resolution: Fixed
Fix Version/s: 3.4.0
> Order of select() scopes
> ------------------------
>
> Key: TINKERPOP-1522
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1522
> Project: TinkerPop
> Issue Type: Improvement
> Components: process
> Affects Versions: 3.2.3
> Reporter: Daniel Kuppitz
> Assignee: Daniel Kuppitz
> Priority: Major
> Labels: breaking
> Fix For: 3.4.0
>
>
> As it currently stands, side-effects have the highest priority when a key is
> {{select()}}'ed. I just ran into a problem where this behavior was more than
> disadvantageous:
> {code}
> gremlin> g = TinkerGraph.open().traversal()
> ==>graphtraversalsource[tinkergraph[vertices:0 edges:0], standard]
> gremlin> g.withSideEffect("a", ["a":
> "marko"]).inject(1).select("a").select("a") // expected result is "marko",
> not "[a:marko]"
> ==>[a:marko]
> {code}
> In my use-case the map keys were not predictable, hence it's almost
> impossible to prevent a key name collision. IMO maps (and paths) should take
> precedence over side-effects.
> It is still possible to get the nested {{a}} key, but I'm pretty sure that
> the common Gremlin user won't be able to come up with this query:
> {code}
> gremlin> g.withSideEffect("a", ["a": "marko"]).inject(1).select("a").
> map(unfold().filter(select(keys).is("a")).select(values))
> ==>marko
> {code}
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