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

Example 1 with Projection

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

the class PrecompJoinOptimizerTest2 method testISNUMERIC.

@Test
public void testISNUMERIC() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q29, null);
    final ParsedQuery pq2 = parser2.parseQuery(q30, 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) && eTupSet.size() == 1);
}

Example 2 with Projection

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

the class PrecompJoinOptimizerTest2 method testFourIndexGeoFreeCompareFilterMix.

@Test
public void testFourIndexGeoFreeCompareFilterMix() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final SPARQLParser parser3 = new SPARQLParser();
    final SPARQLParser parser4 = new SPARQLParser();
    final SPARQLParser parser5 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q27, null);
    final ParsedQuery pq2 = parser2.parseQuery(q23, null);
    final ParsedQuery pq3 = parser3.parseQuery(q26, null);
    final ParsedQuery pq4 = parser4.parseQuery(q24, null);
    final ParsedQuery pq5 = parser5.parseQuery(q28, null);
    System.out.println("Query is " + pq1.getTupleExpr());
    System.out.println("Indexes are " + pq2.getTupleExpr() + " , " + pq3.getTupleExpr() + " , " + pq4.getTupleExpr() + " and " + pq5.getTupleExpr());
    final SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet(new Projection(pq2.getTupleExpr()));
    final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(new Projection(pq3.getTupleExpr()));
    final SimpleExternalTupleSet extTup3 = new SimpleExternalTupleSet(new Projection(pq4.getTupleExpr()));
    final SimpleExternalTupleSet extTup4 = new SimpleExternalTupleSet(new Projection(pq5.getTupleExpr()));
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup4);
    list.add(extTup1);
    list.add(extTup2);
    list.add(extTup3);
    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 3 with Projection

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

the class PrecompJoinOptimizerTest2 method testVarRelableIndexSmaller.

@Test
public void testVarRelableIndexSmaller() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(queryString, null);
    final ParsedQuery pq2 = parser2.parseQuery(indexSparqlString, 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 4 with Projection

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

the class PrecompJoinOptimizerTest2 method testThreeIndexGeoFreeCompareFilterMix2.

@Test
public void testThreeIndexGeoFreeCompareFilterMix2() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final SPARQLParser parser3 = new SPARQLParser();
    final SPARQLParser parser4 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q27, null);
    final ParsedQuery pq2 = parser2.parseQuery(q23, null);
    final ParsedQuery pq3 = parser3.parseQuery(q26, null);
    final ParsedQuery pq4 = parser4.parseQuery(q28, null);
    final SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet(new Projection(pq2.getTupleExpr()));
    final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(new Projection(pq3.getTupleExpr()));
    final SimpleExternalTupleSet extTup3 = new SimpleExternalTupleSet(new Projection(pq4.getTupleExpr()));
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup1);
    list.add(extTup3);
    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(qSet.containsAll(set));
}

Example 5 with Projection

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

the class PrecompJoinOptimizerTest2 method testSingleIndexLargeQuery.

@Test
public void testSingleIndexLargeQuery() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q8, null);
    final ParsedQuery pq2 = parser2.parseQuery(q7, 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));
}