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https://issues.apache.org/jira/browse/JENA-460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Seaborne closed JENA-460.
------------------------------
Resolution: Fixed
Fix Version/s: Jena 3.0.0
This is fixed at some point but the JIRA didn't get closed.
{{tdbreorder}} reports:
{noformat}
(?x ?y ?z)
(?y rdfs:subPropertyOf <http://example/p>)
(?x <http://example/q> 2)
(?x rdf:type ?t)
======== >>>>>>>>
(?y rdfs:subPropertyOf <http://example/p>)
(?x <http://example/q> 2)
(?x ?y ?z)
(?x rdf:type ?t)
{noformat}
and shows {{(?x ?y ?z)}} being weighted 2 when {{?x}} and {{?y}} are defined.
> 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
> Fix For: Jena 3.0.0
>
> 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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