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Posted to dev@jena.apache.org by "Andy Seaborne (Jira)" <ji...@apache.org> on 2020/05/03 10:45:00 UTC
[jira] [Closed] (JENA-1893) Variable not in scope for property
function
[ https://issues.apache.org/jira/browse/JENA-1893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andy Seaborne closed JENA-1893.
-------------------------------
Resolution: Information Provided
> Variable not in scope for property function
> --------------------------------------------
>
> Key: JENA-1893
> URL: https://issues.apache.org/jira/browse/JENA-1893
> Project: Apache Jena
> Issue Type: Question
> Components: ARQ
> Affects Versions: Jena 3.14.0
> Environment: ubunutu 19.10
> java 13
> Reporter: Marco Neumann
> Priority: Trivial
>
> 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%3Fx%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%20wdt%3AP1082%20%3Fpop.%0A%20%20%20%20%20%20%20%3Fx%20wdt%3AP31%20wd%3AQ6256%0A%7D%20LIMIT%2010
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