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Posted to dev@jena.apache.org by "Rob Vesse (JIRA)" <ji...@apache.org> on 2012/11/09 19:08:12 UTC
[jira] [Resolved] (JENA-345) execConstructTriples() does not
eliminate malformed triples from it's output
[ https://issues.apache.org/jira/browse/JENA-345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rob Vesse resolved JENA-345.
----------------------------
Resolution: Fixed
Fix Version/s: Jena 2.10.0
> execConstructTriples() does not eliminate malformed triples from it's output
> ----------------------------------------------------------------------------
>
> Key: JENA-345
> URL: https://issues.apache.org/jira/browse/JENA-345
> Project: Apache Jena
> Issue Type: Bug
> Components: ARQ
> Affects Versions: ARQ 2.9.4
> Reporter: Rob Vesse
> Assignee: Rob Vesse
> Labels: construct, sparql
> Fix For: Jena 2.10.0
>
>
> Start from any model which has triples containing only literals as their subjects, then try the following:
> @Test public void testConstructRejectsBadTriples1()
> {
> String queryString = "CONSTRUCT { ?s ?p ?o } WHERE { ?o ?p ?s }";
> Query q = QueryFactory.create(queryString);
>
> QueryExecution qExec = QueryExecutionFactory.create(q, m);
>
> Model resultModel = qExec.execConstruct();
> assertEquals(0, resultModel.size());
> }
>
> @Test public void testConstructRejectsBadTriples2()
> {
> String queryString = "CONSTRUCT { ?s ?p ?o } WHERE { ?o ?p ?s }";
> Query q = QueryFactory.create(queryString);
>
> QueryExecution qExec = QueryExecutionFactory.create(q, m);
>
> Iterator<Triple> ts = qExec.execConstructTriples();
> long count = 0;
> while (ts.hasNext()) {
> count++;
> ts.next();
> }
> assertEquals(0, count);
> }
> The first test passes because execConstruct() correctly rejects triples with literal subjects as invalid, the second test fails because execConstructTriples() does not follow this behavior.
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