[jira] [Assigned] (TINKERPOP-1586) SubgraphStrategy in OLAP

["stephen mallette (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TINKERPOP-1586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stephen mallette reassigned TINKERPOP-1586:
-------------------------------------------

    Assignee: stephen mallette

> SubgraphStrategy in OLAP
> ------------------------
>
>                 Key: TINKERPOP-1586
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1586
>             Project: TinkerPop
>          Issue Type: Improvement
>          Components: process
>    Affects Versions: 3.2.3
>            Reporter: Daniel Kuppitz
>            Assignee: stephen mallette
>            Priority: Major
>
> If a vertex filter is provided in {{SubgraphStrategy}}, then it will turn any edge step in the traversal into something like:
> {noformat}
> ...outE().filter(inV().vertexFilterCondittion())
> {noformat}
> This breaks any OLAP traversal (leaving the star graph) and is not even the behavior that you would always want. We should have an option to disable the adjacent vertex checks. In code this would just mean to replace this {{else}}: https://github.com/apache/tinkerpop/blob/master/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/strategy/decoration/SubgraphStrategy.java#L92
> ...with {{else if (checkAdjacentVertices)}}.



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