[jira] [Created] (JENA-1893) BIND variable not in scope for property function

["Marco Neumann (Jira)" <ji...@apache.org>]

Marco Neumann created JENA-1893:
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             Summary: BIND variable not in scope for property function 
                 Key: JENA-1893
                 URL: https://issues.apache.org/jira/browse/JENA-1893
             Project: Apache Jena
          Issue Type: New Feature
    Affects Versions: Jena 3.14.0
         Environment: ubunutu 19.10
java 13
            Reporter: Marco Neumann


following query doesn't produce results for ?subpop

PREFIX loticoowl: <http://www.lotico.com/ontology/>
PREFIX fn:<http://www.w3.org/2005/xpath-functions#>

SELECT ?pop (fn:substring(?pop ,0,4) AS ?subpop) WHERE{
       ?x loticoowl:memberCount ?pop
}

http://query.lotico.com/#PREFIX%20loticoowl%3A%20%3Chttp%3A%2F%2Fwww.lotico.com%2Fontology%2F%3E%0APREFIX%20afn%3A%20%3Chttp%3A%2F%2Fjena.apache.org%2FARQ%2Ffunction%23%3E%0APREFIX%20fn%3A%3Chttp%3A%2F%2Fwww.w3.org%2F2005%2Fxpath-functions%23%3E%0A%0ASELECT%20%3Fpop%20%28fn%3Asubstring%28%3Fpop%20%2C0%2C4%29%20AS%20%3Fsubpop%29%20WHERE%7B%0A%20%20%20%20%20%20%20%3Fx%20loticoowl%3AmemberCount%20%3Fpop%0A%7D%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20

a similar query on wikidata.org produces results as expected 

https://query.wikidata.org/#PREFIX%20loticoowl%3A%20%3Chttp%3A%2F%2Fwww.lotico.com%2Fontology%2F%3E%0APREFIX%20afn%3A%20%3Chttp%3A%2F%2Fjena.apache.org%2FARQ%2Ffunction%23%3E%0APREFIX%20fn%3A%3Chttp%3A%2F%2Fwww.w3.org%2F2005%2Fxpath-functions%23%3E%0A%0ASELECT%20%3Fpop%20%28fn%3Asubstring%28%3Fpop%20%2C0%2C3%29%20AS%20%3Fsubpop%29%20WHERE%7B%0A%20%20%20%20%20%20%20%3Fx%20rdfs%3Alabel%20%3Fpop.%0A%20%20%20%20%20%20%20%3Fx%20wdt%3AP31%20wd%3AQ6256%0A%7D%20LIMIT%2010



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