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

Example 61 with QueryModelNode

use of org.openrdf.query.algebra.QueryModelNode 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 62 with QueryModelNode

use of org.openrdf.query.algebra.QueryModelNode 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);
}

Example 63 with QueryModelNode

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

the class PrecompJoinOptimizerTest2 method testThreeIndexLargeQuery.

@Test
public void testThreeIndexLargeQuery() 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(q13, null);
    final ParsedQuery pq2 = parser2.parseQuery(q5, null);
    final ParsedQuery pq3 = parser3.parseQuery(q12, null);
    final ParsedQuery pq4 = parser4.parseQuery(q14, null);
    System.out.println("Query is " + pq1.getTupleExpr());
    System.out.println("Indexes are " + pq2.getTupleExpr() + " , " + pq3.getTupleExpr() + " , " + pq4.getTupleExpr());
    final SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet((Projection) pq2.getTupleExpr());
    final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet((Projection) pq3.getTupleExpr());
    final SimpleExternalTupleSet extTup3 = new SimpleExternalTupleSet((Projection) pq4.getTupleExpr());
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    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 64 with QueryModelNode

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

the class JoinSegmentTest method testBasicSegment.

@Test
public void testBasicSegment() throws MalformedQueryException {
    String query1 = // 
    "" + // 
    "SELECT ?e ?c ?l" + // 
    "{" + // 
    "  ?e a ?c . " + // 
    "  ?e <uri:talksTo> ?l  . " + // 
    "  ?e <http://www.w3.org/2000/01/rdf-schema#label> ?l " + // 
    "}";
    String query2 = // 
    "" + // 
    "SELECT ?e ?c ?l" + // 
    "{" + // 
    "  ?e a ?c . " + // 
    "  ?e <uri:talksTo> ?l  . " + // 
    "}";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq1 = parser.parseQuery(query1, null);
    ParsedQuery pq2 = parser.parseQuery(query2, null);
    TupleExpr te1 = pq1.getTupleExpr();
    TupleExpr te2 = pq2.getTupleExpr();
    Join join1 = (Join) ((Projection) te1).getArg();
    Join join2 = (Join) ((Projection) te2).getArg();
    QuerySegment<ExternalTupleSet> seg1 = qFactory.getQuerySegment(join1);
    QuerySegment<ExternalTupleSet> seg2 = qFactory.getQuerySegment(join2);
    Assert.assertEquals(true, seg1.containsQuerySegment(seg2));
    Assert.assertEquals(join1, seg1.getQuery().getTupleExpr());
    Assert.assertEquals(join2, seg2.getQuery().getTupleExpr());
    SimpleExternalTupleSet pcj = new SimpleExternalTupleSet((Projection) te2);
    List<QueryModelNode> nodes = seg1.getOrderedNodes();
    QueryModelNode node = nodes.get(0);
    seg1.replaceWithExternalSet(seg2, pcj);
    Set<QueryModelNode> nodeSet = new HashSet<>();
    nodeSet.add(node);
    nodeSet.add(pcj);
    Assert.assertEquals(nodeSet, seg1.getUnOrderedNodes());
}

Example 65 with QueryModelNode

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

the class JoinSegmentTest method testBasicMatchWithFilter.

@Test
public void testBasicMatchWithFilter() throws Exception {
    String query1 = // 
    "" + // 
    "SELECT ?e ?c ?l" + // 
    "{" + // 
    " Filter(?e = <uri:Bob>)" + // 
    "  ?e <http://www.w3.org/2000/01/rdf-schema#label> ?l . " + // 
    "  ?e a ?c . " + // 
    "  ?e <uri:talksTo> ?l  . " + // 
    "}";
    String query2 = // 
    "" + // 
    "SELECT ?e ?c ?l" + // 
    "{" + // 
    " Filter(?e = <uri:Bob>)" + // 
    " ?e a ?c . " + // 
    " ?e <uri:talksTo> ?l . " + // 
    "}";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq1 = parser.parseQuery(query1, null);
    ParsedQuery pq2 = parser.parseQuery(query2, null);
    TupleExpr te1 = pq1.getTupleExpr();
    TupleExpr te2 = pq2.getTupleExpr();
    TopOfQueryFilterRelocator.moveFiltersToTop(te1);
    TopOfQueryFilterRelocator.moveFiltersToTop(te1);
    Filter filter1 = (Filter) ((Projection) te1).getArg();
    Filter filter2 = (Filter) ((Projection) te2).getArg();
    QuerySegment<ExternalTupleSet> seg1 = qFactory.getQuerySegment(filter1);
    QuerySegment<ExternalTupleSet> seg2 = qFactory.getQuerySegment(filter2);
    Assert.assertEquals(filter1, seg1.getQuery().getTupleExpr());
    Assert.assertEquals(filter2, seg2.getQuery().getTupleExpr());
    Assert.assertEquals(true, seg1.containsQuerySegment(seg2));
    SimpleExternalTupleSet pcj = new SimpleExternalTupleSet((Projection) te2);
    List<QueryModelNode> nodes = seg1.getOrderedNodes();
    QueryModelNode node = nodes.get(3);
    seg1.replaceWithExternalSet(seg2, pcj);
    Set<QueryModelNode> nodeSet = new HashSet<>();
    nodeSet.add(node);
    nodeSet.add(pcj);
    Assert.assertEquals(nodeSet, seg1.getUnOrderedNodes());
}