Kelvin R. Lawrence created TINKERPOP-2384:
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Summary: Inject and withSideEffect causing different outcomes in
order step
Key: TINKERPOP-2384
URL: https://issues.apache.org/jira/browse/TINKERPOP-2384
Project: TinkerPop
Issue Type: Bug
Components: process
Affects Versions: 3.4.6
Environment: TinkerGraph @ 3.4.6 , TinkerFactory.createModern() ,
Gremlin Console
Reporter: Kelvin R. Lawrence
I tried creating the following query two different ways. One using _*inject*_
and the other using _*withSideEffect*_. The version using _*inject*_ works as
expected and the version using _*withSideEffect*_ causes an exception. As I
understand it, in this case the two should be equivalent. When used outside of
an *_order().by()_* the _*select*_ steps work fine in my testing
gremlin>
g.inject('name').as('key').V().order().by(valueMap().select(select('key')).unfold()).values('name')
==>josh
==>lop
==>marko
==>peter
==>ripple
==>vadas
gremlin>
g.withSideEffect('key','name').V().order().by(valueMap().select(select('key')).unfold()).values('name')
The provided traverser does not map to a value: v[1]->[PropertyMapStep(value),
TraversalSelectStep([SelectOneStep(last,ke
y)]), UnfoldStep]
Type ':help' or ':h' for help.
gremlin>
g.withSideEffect('key','name').V().valueMap().select(select('key')).unfold()
==>marko
==>vadas
==>lop
==>josh
==>ripple
==>peter
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