public void SparqlAggregatesOverNullCount3()
{
SparqlQuery q = this._parser.ParseFromString("SELECT (COUNT(*) AS ?Count) WHERE { ?s ?p ?o } GROUP BY ?s");
SparqlResultSet results = this._processor.ProcessQuery(q) as SparqlResultSet;
Assert.NotNull(results);
Assert.Equal(1, results.Count);
SparqlResult r = results.First();
Assert.Equal((0).ToLiteral(this._factory), r["Count"]);
}
public void SparqlAggregatesOverNullSum1()
{
SparqlQuery q = this._parser.ParseFromString("SELECT (SUM(?s) AS ?Sum) WHERE { ?s ?p ?o }");
SparqlResultSet results = this._processor.ProcessQuery(q) as SparqlResultSet;
Assert.NotNull(results);
Assert.Equal(1, results.Count);
SparqlResult r = results.First();
Assert.Equal((0).ToLiteral(this._factory), r["Sum"]);
}
public void SparqlAggregatesOverNullGroupConcat2()
{
SparqlQuery q = this._parser.ParseFromString("SELECT (GROUP_CONCAT(?s) AS ?GroupConcat) WHERE { ?s ?p ?o } GROUP BY ?s");
SparqlResultSet results = this._processor.ProcessQuery(q) as SparqlResultSet;
Assert.NotNull(results);
Assert.Equal(1, results.Count);
SparqlResult r = results.First();
Assert.Equal(this._factory.CreateLiteralNode(String.Empty), r["GroupConcat"]);
}
public void SparqlAggregatesOverNullMin2()
{
SparqlQuery q = this._parser.ParseFromString("SELECT (MIN(?s) AS ?Min) WHERE { ?s ?p ?o } GROUP BY ?s");
SparqlResultSet results = this._processor.ProcessQuery(q) as SparqlResultSet;
Assert.NotNull(results);
Assert.Equal(1, results.Count);
SparqlResult r = results.First();
Assert.Null(r["Min"]);
}
public void SparqlAggregatesOverNullMax1()
{
SparqlQuery q = _parser.ParseFromString("SELECT (MAX(?s) AS ?Max) WHERE { ?s ?p ?o }");
SparqlResultSet results = _processor.ProcessQuery(q) as SparqlResultSet;
Assert.NotNull(results);
Assert.Equal(1, results.Count);
SparqlResult r = results.First();
Assert.Null(r["Max"]);
}
public void SparqlAggregatesOverNullAvg1()
{
SparqlQuery q = _parser.ParseFromString("SELECT (AVG(?s) AS ?Avg) WHERE { ?s ?p ?o }");
SparqlResultSet results = _processor.ProcessQuery(q) as SparqlResultSet;
Assert.NotNull(results);
Assert.Equal(1, results.Count);
SparqlResult r = results.First();
Assert.Equal((0).ToLiteral(_factory), r["Avg"]);
}
public void FullTextGraphSparqlScoping6()
{
LeviathanQueryProcessor processor = new LeviathanQueryProcessor(this._store);
//Interaction of graph scope with limit
using (LuceneSearchProvider searcher = new LuceneSearchProvider(LucUtil.Version.LUCENE_30, this._index, new StandardAnalyzer(LucUtil.Version.LUCENE_30)))
{
SparqlQuery q = this._parser.ParseFromString(FullTextPrefix + " SELECT * WHERE { GRAPH <http://g2> { ?s pf:textMatch ( 'sample' 5 ) } }");
q.AlgebraOptimisers = new IAlgebraOptimiser[] { new FullTextOptimiser(searcher) };
SparqlResultSet results = processor.ProcessQuery(q) as SparqlResultSet;
Assert.NotNull(results);
Assert.Equal(2, results.Count);
Assert.Equal(new Uri("http://y"), ((IUriNode)results.First()["s"]).Uri);
}
}