[jira] [Updated] (JENA-142) Scope tracking of variables does not work for UNION.

["Andy Seaborne (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JENA-142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne updated JENA-142:
-------------------------------

    Summary: Scope tracking of variables does not work for UNION.  (was: Scope tracking of variables does nto work for UNION.)
    
> Scope tracking of variables does not work for UNION.
> ----------------------------------------------------
>
>                 Key: JENA-142
>                 URL: https://issues.apache.org/jira/browse/JENA-142
>             Project: Jena
>          Issue Type: Bug
>          Components: ARQ
>            Reporter: Andy Seaborne
>            Assignee: Andy Seaborne
>              Labels: arq, sparql
>
> test case:
> SELECT * {
>     { ?s ?p ?o} 
>     UNION 
>    { BIND('default' AS ?s) }
> }
> related group forms also need checking:
> { { ?s ?p ?o} BIND('default' AS ?s) }
> { { ?s ?p ?o} { BIND('default' AS ?s) } }

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