Marko A. Rodriguez created TINKERPOP-1188:
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Summary: Semantics of BarrierSteps in TraversalParent global
traversals is wrong.
Key: TINKERPOP-1188
URL: https://issues.apache.org/jira/browse/TINKERPOP-1188
Project: TinkerPop
Issue Type: Bug
Components: process
Affects Versions: 3.1.1-incubating
Reporter: Marko A. Rodriguez
Suppose the following traversal:
{code}
g.V.union(outE().count(), inE().count())
{code}
Given that {{count()}} is a {{ReducingBarrierStep}} and thus, continues to pull
until there are no more results, you would expect the result set to be:
{code}
[6,6]
{code}
However, its actually this:
{code}
[3,0]
[0,1]
[0,3]
[2,1]
[0,1]
[1,0]
{code}
That is, for each traverser into {{union()}}, the {{count()}} is calculated.
In OLAP, the result is {{[6,6]}} as expected.
What should we do?
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