[jira] [Closed] (TINKERPOP-2739) ComputerGraph filters out computed properties in keys() and properties() methods

["Stephen Mallette (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TINKERPOP-2739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephen Mallette closed TINKERPOP-2739.
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    Resolution: Not A Problem

> ComputerGraph filters out computed properties in keys() and properties() methods
> --------------------------------------------------------------------------------
>
>                 Key: TINKERPOP-2739
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2739
>             Project: TinkerPop
>          Issue Type: Bug
>            Reporter: Boxuan Li
>            Priority: Major
>
> In [keys|https://github.com/apache/tinkerpop/blob/da1155f6f4474dc5d2378eebeeb18fe49f22cd37/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/util/ComputerGraph.java#L143-L146] and [properties|https://github.com/apache/tinkerpop/blob/da1155f6f4474dc5d2378eebeeb18fe49f22cd37/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/util/ComputerGraph.java#L170-L173] methods of ComputerElement class, computed keys are filtered out. This behaviour does not make sense to me. On the contrary, [property|https://github.com/apache/tinkerpop/blob/da1155f6f4474dc5d2378eebeeb18fe49f22cd37/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/util/ComputerGraph.java#L148-L151] method in the same class does not have this behaviour. This looks like a bug to me because they are not supposed to have different behaviour.
> To see this contradiction, simply change [this|https://github.com/apache/tinkerpop/blob/da1155f6f4474dc5d2378eebeeb18fe49f22cd37/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/ranking/pagerank/PageRankVertexProgram.java#L185] line to:
> {code:java}
> edgeCount = (Double) vertex.values(EDGE_COUNT).next();
> {code}
> and then many tests will fail.



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