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Posted to dev@jena.apache.org by "Andy Seaborne (JIRA)" <ji...@apache.org> on 2013/12/24 18:15:50 UTC

[jira] [Resolved] (JENA-616) Order of FILTER placement and FILTER equality transformation can be sub-optimal.

     [ https://issues.apache.org/jira/browse/JENA-616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne resolved JENA-616.
--------------------------------

       Resolution: Fixed
    Fix Version/s: Jena 2.11.1

Filter equality transform done once after filter placement transform.

> Order of FILTER placement and FILTER equality transformation can be sub-optimal.
> --------------------------------------------------------------------------------
>
>                 Key: JENA-616
>                 URL: https://issues.apache.org/jira/browse/JENA-616
>             Project: Apache Jena
>          Issue Type: Bug
>    Affects Versions: Jena 2.10.1
>            Reporter: Andy Seaborne
>            Assignee: Andy Seaborne
>            Priority: Minor
>             Fix For: Jena 2.11.1
>
>
> In Jena 2.11.0, the equality transform is done before the filter placement.
> This order of applying these two optimizations is not optimal if the filter placement enables the equality transform where it was not going to be applied before. 
> JENA-595 pushes filter placement more deeply inside compound patterns so it is possible that the filter now applies to a smaller pattern where the equality transform is now valid.



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