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https://issues.apache.org/jira/browse/TINKERPOP-1216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marko A. Rodriguez closed TINKERPOP-1216.
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Resolution: Fixed
Assignee: Marko A. Rodriguez
Fix Version/s: 3.2.0-incubating
I can't believe we never found this bug before. It happens when you have
multiple traversers needing to be merged in an order-operation.
{{OrderGlobalStep}} did not inherit its {{CollectingBarrierStep}} parent's
{{BULK}} requirement. I checked all other {{CollectingBarrierSteps}} and they
are good. I added the test case that uses [~dkuppitz] example in the ticket.
Golden.
> OrderStep or O_Traverser is broken
> ----------------------------------
>
> Key: TINKERPOP-1216
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1216
> Project: TinkerPop
> Issue Type: Bug
> Components: process
> Affects Versions: 3.1.1-incubating
> Reporter: Daniel Kuppitz
> Assignee: Marko A. Rodriguez
> Fix For: 3.2.0-incubating, 3.1.2-incubating
>
>
> {code}
> graph = TinkerGraph.open()
> graph.io(graphml()).readGraph('data/grateful-dead.xml')
> g = graph.traversal()
> {code}
> {noformat}
> gremlin> g.V().has("song","name","OH
> BOY").out("followedBy").out("followedBy").order().by("performances").by(id)
> This traverser does not support merging:
> org.apache.tinkerpop.gremlin.process.traversal.traverser.O_Traverser
> Display stack trace? [yN] N
> gremlin> g.V().has("song","name","OH
> BOY").out("followedBy").order().by("performances").by(id)
> ==>v[302]
> ==>v[72]
> ==>v[96]
> gremlin> g.V().has("song","name","OH
> BOY").out("followedBy").out("followedBy").order().by("performances").by(id)
> This traverser does not support merging:
> org.apache.tinkerpop.gremlin.process.traversal.traverser.O_Traverser
> Display stack trace? [yN]
> {noformat}
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