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Posted to dev@jena.apache.org by "Andy Seaborne (JIRA)" <ji...@apache.org> on 2015/07/22 00:05:04 UTC

[jira] [Assigned] (JENA-460) TDB stats optimizer misguesses "TERM TERM ?var"

     [ https://issues.apache.org/jira/browse/JENA-460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne reassigned JENA-460:
----------------------------------

    Assignee: Andy Seaborne

> TDB stats optimizer misguesses "TERM TERM ?var"
> -----------------------------------------------
>
>                 Key: JENA-460
>                 URL: https://issues.apache.org/jira/browse/JENA-460
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: TDB
>    Affects Versions: Jena 2.10.1
>            Reporter: Andy Seaborne
>            Assignee: Andy Seaborne
>            Priority: Minor
>         Attachments: Q1.rq, pat1.sse, stats.dbg
>
>
> It assigns a weighting of -1 to "TERM TERM ?var" which started as ?v1 ?v2 ?v3.
> fixed.opt assigns 2.
> Workaround: add:
> {noformat}
>   ( (TERM TERM VAR 2) )
> {noformat}
> to the stats file.



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