Examples with Projection org.openrdf.query.algebra.Projection used on opensource projects

Example 46 with Projection

use of org.openrdf.query.algebra.Projection in project incubator-rya by apache.

the class ConstructConsequentVisitorTest method testGenericSP.

@Test
public void testGenericSP() {
    Extension extension = new Extension(new SingletonSet(), new ExtensionElem(new Var("z"), "z"));
    Projection projection = new Projection(extension, new ProjectionElemList(new ProjectionElem("x", "subject"), new ProjectionElem("y", "predicate"), new ProjectionElem("z", "object")));
    ConstructConsequentVisitor visitor = new ConstructConsequentVisitor();
    projection.visit(visitor);
    Set<StatementPattern> expected = Sets.newHashSet(new StatementPattern(s(null), p(null), o(null)));
    Assert.assertEquals(expected, visitor.getConsequents());
}

Example 47 with Projection

use of org.openrdf.query.algebra.Projection in project incubator-rya by apache.

the class PrecompJoinOptimizerTest2 method testVarRelableIndexSameSize.

@Test
public void testVarRelableIndexSameSize() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q1, null);
    final ParsedQuery pq2 = parser2.parseQuery(q2, null);
    final SimpleExternalTupleSet extTup = new SimpleExternalTupleSet(new Projection(pq2.getTupleExpr()));
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup);
    final TupleExpr tup = pq1.getTupleExpr().clone();
    provider.setIndices(list);
    final PCJOptimizer pcj = new PCJOptimizer(list, false, provider);
    pcj.optimize(tup, null, null);
    final Set<StatementPattern> qSet = Sets.newHashSet(StatementPatternCollector.process(pq1.getTupleExpr()));
    final Set<QueryModelNode> eTupSet = PcjIntegrationTestingUtil.getTupleSets(tup);
    final Set<StatementPattern> set = Sets.newHashSet();
    for (final QueryModelNode s : eTupSet) {
        set.addAll(StatementPatternCollector.process(((ExternalTupleSet) s).getTupleExpr()));
    }
    Assert.assertTrue(set.equals(qSet));
}

Example 48 with Projection

use of org.openrdf.query.algebra.Projection in project incubator-rya by apache.

the class PrecompJoinOptimizerTest2 method testGeoIndexFunction.

@Test
public void testGeoIndexFunction() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q21, null);
    final ParsedQuery pq2 = parser2.parseQuery(q23, null);
    System.out.println("Query is " + pq1.getTupleExpr());
    System.out.println("Index is " + pq2.getTupleExpr());
    final SimpleExternalTupleSet extTup = new SimpleExternalTupleSet(new Projection(pq2.getTupleExpr()));
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup);
    final TupleExpr tup = pq1.getTupleExpr().clone();
    provider.setIndices(list);
    final PCJOptimizer pcj = new PCJOptimizer(list, false, provider);
    pcj.optimize(tup, null, null);
    final Set<StatementPattern> qSet = Sets.newHashSet(StatementPatternCollector.process(pq1.getTupleExpr()));
    final Set<QueryModelNode> eTupSet = PcjIntegrationTestingUtil.getTupleSets(tup);
    final Set<StatementPattern> set = Sets.newHashSet();
    for (final QueryModelNode s : eTupSet) {
        set.addAll(StatementPatternCollector.process(((ExternalTupleSet) s).getTupleExpr()));
    }
    Assert.assertTrue(qSet.containsAll(set) && set.size() != 0);
}

Example 49 with Projection

use of org.openrdf.query.algebra.Projection in project incubator-rya by apache.

the class PrecompJoinOptimizerTest2 method testThreeIndexGeoFreeCompareFilterMix.

@Test
public void testThreeIndexGeoFreeCompareFilterMix() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final SPARQLParser parser3 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q25, null);
    final ParsedQuery pq2 = parser2.parseQuery(q24, null);
    final ParsedQuery pq3 = parser3.parseQuery(q26, null);
    final SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet(new Projection(pq2.getTupleExpr()));
    final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(new Projection(pq3.getTupleExpr()));
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup1);
    list.add(extTup2);
    final TupleExpr tup = pq1.getTupleExpr().clone();
    provider.setIndices(list);
    final PCJOptimizer pcj = new PCJOptimizer(list, false, provider);
    pcj.optimize(tup, null, null);
    final Set<StatementPattern> qSet = Sets.newHashSet(StatementPatternCollector.process(pq1.getTupleExpr()));
    final Set<QueryModelNode> eTupSet = PcjIntegrationTestingUtil.getTupleSets(tup);
    final Set<StatementPattern> set = Sets.newHashSet();
    for (final QueryModelNode s : eTupSet) {
        set.addAll(StatementPatternCollector.process(((ExternalTupleSet) s).getTupleExpr()));
    }
    Assert.assertTrue(set.equals(qSet) && eTupSet.size() == 2);
}

Example 50 with Projection

use of org.openrdf.query.algebra.Projection in project incubator-rya by apache.

the class PrecompJoinOptimizerTest2 method testTwoRepeatedIndex.

@Test
public void testTwoRepeatedIndex() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final SPARQLParser parser3 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q35, null);
    final ParsedQuery pq2 = parser2.parseQuery(q34, null);
    final ParsedQuery pq3 = parser3.parseQuery(q36, null);
    System.out.println("Query is " + pq1.getTupleExpr());
    System.out.println("Indexes are " + pq2.getTupleExpr() + " and " + pq3.getTupleExpr());
    final SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet(new Projection(pq2.getTupleExpr()));
    final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(new Projection(pq3.getTupleExpr()));
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup1);
    list.add(extTup2);
    final TupleExpr tup = pq1.getTupleExpr().clone();
    provider.setIndices(list);
    final PCJOptimizer pcj = new PCJOptimizer(list, false, provider);
    pcj.optimize(tup, null, null);
    final Set<StatementPattern> qSet = Sets.newHashSet(StatementPatternCollector.process(pq1.getTupleExpr()));
    final Set<QueryModelNode> eTupSet = PcjIntegrationTestingUtil.getTupleSets(tup);
    final Set<StatementPattern> set = Sets.newHashSet();
    for (final QueryModelNode s : eTupSet) {
        set.addAll(StatementPatternCollector.process(((ExternalTupleSet) s).getTupleExpr()));
    }
    Assert.assertEquals(4, eTupSet.size());
    Assert.assertEquals(qSet, set);
}