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Posted to dev@jena.apache.org by "Andy Seaborne (Jira)" <ji...@apache.org> on 2021/12/08 14:06:00 UTC

[jira] [Resolved] (JENA-2207) A SERVICE call involving a SELECT projection may generate illegal syntax

     [ https://issues.apache.org/jira/browse/JENA-2207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne resolved JENA-2207.
---------------------------------
    Resolution: Fixed

> A SERVICE call involving a SELECT projection may generate illegal syntax
> ------------------------------------------------------------------------
>
>                 Key: JENA-2207
>                 URL: https://issues.apache.org/jira/browse/JENA-2207
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: ARQ, SPARQL
>    Affects Versions: Jena 4.3.0
>            Reporter: Andy Seaborne
>            Assignee: Andy Seaborne
>            Priority: Major
>             Fix For: Jena 4.4.0
>
>
> This is a regression in Jena 4.3.0.
> Example:
> {noformat}
> SELECT * {
>   SERVICE <http://localhost:3030/ds> {
>       SELECT ?s { ?s ?p ?o }
>   }
> }
> {noformat}
> will have a compiled inner pattern with {{?/p}} and {{?/o}}. The {{?p}} and {{?o}} variables were rewritten to hide them (they are not in the {{SELECT ?s}}).
> This rewrite needs to be reversed before sending the service-query.



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