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

Example 31 with QueryModelNode

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

the class PrecompJoinOptimizerVarToConstTest method testContextFilterFourIndex.

@Test
public void testContextFilterFourIndex() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser3 = new SPARQLParser();
    final SPARQLParser parser4 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q19, null);
    final ParsedQuery pq3 = parser3.parseQuery(q17, null);
    final ParsedQuery pq4 = parser4.parseQuery(q18, null);
    System.out.println("Query is " + pq1.getTupleExpr());
    System.out.println("Indexes are " + pq3.getTupleExpr() + " , " + pq4.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(extTup3);
    list.add(extTup2);
    final TupleExpr tup = pq1.getTupleExpr().clone();
    final PCJOptimizer pcj = new PCJOptimizer(list, false, new AccumuloIndexSetProvider(new Configuration(), list));
    pcj.optimize(tup, null, null);
    System.out.println("Processed query is " + tup);
    final Set<StatementPattern> qSet = Sets.newHashSet(StatementPatternCollector.process(pq1.getTupleExpr()));
    final Set<QueryModelNode> eTupSet = PcjIntegrationTestingUtil.getTupleSets(tup);
    Assert.assertEquals(2, eTupSet.size());
    final Set<StatementPattern> set = Sets.newHashSet();
    for (final QueryModelNode s : eTupSet) {
        final Set<StatementPattern> tempSet = Sets.newHashSet(StatementPatternCollector.process(((ExternalTupleSet) s).getTupleExpr()));
        set.addAll(tempSet);
    }
    Assert.assertTrue(qSet.containsAll(set));
}

Example 32 with QueryModelNode

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

the class JoinSegmentPCJMatcherTest 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();
    Projection proj = (Projection) te1;
    Join join = (Join) proj.getArg();
    ExternalSetMatcher<ExternalTupleSet> jsm = pcjFactory.getMatcher(qFactory.getQuerySegment(join));
    SimpleExternalTupleSet pcj = new SimpleExternalTupleSet((Projection) te2);
    Assert.assertEquals(true, jsm.match(pcj));
    TupleExpr te = jsm.getQuery();
    Assert.assertEquals(new HashSet<QueryModelNode>(), jsm.getUnmatchedArgNodes());
    Set<QueryModelNode> qNodes = QueryNodeGatherer.getNodes(te);
    List<QueryModelNode> nodes = jsm.getOrderedNodes();
    Set<QueryModelNode> nodeSet = new HashSet<>();
    nodeSet.add(nodes.get(0));
    nodeSet.add(pcj);
    Assert.assertEquals(nodeSet, new HashSet<QueryModelNode>(nodes));
    Assert.assertEquals(nodeSet, qNodes);
}

Example 33 with QueryModelNode

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

the class VarConstQueryVariableNormalizerTest method queryConstFreeTextFilter.

@Test
public void queryConstFreeTextFilter() throws Exception {
    SPARQLParser parser1 = new SPARQLParser();
    SPARQLParser parser2 = new SPARQLParser();
    ParsedQuery pq1 = parser1.parseQuery(q33, null);
    ParsedQuery pq2 = parser2.parseQuery(q35, null);
    System.out.println(pq1.getTupleExpr());
    List<TupleExpr> normalize = QueryVariableNormalizer.getNormalizedIndex(pq1.getTupleExpr(), pq2.getTupleExpr());
    Assert.assertEquals(2, normalize.size());
    for (TupleExpr te : normalize) {
        Assert.assertTrue(isTupleSubset(pq1.getTupleExpr(), te));
    }
    FilterCollector fc1 = new FilterCollector();
    pq1.getTupleExpr().visit(fc1);
    List<QueryModelNode> fList1 = fc1.getFilters();
    for (TupleExpr te : normalize) {
        FilterCollector fc2 = new FilterCollector();
        te.visit(fc2);
        List<QueryModelNode> fList2 = fc2.getFilters();
        for (QueryModelNode q : fList2) {
            Assert.assertTrue(fList1.contains(q));
        }
    }
}

Example 34 with QueryModelNode

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

the class VarConstQueryVariableNormalizerTest method queryCompoundFilterMatch.

@Test
public void queryCompoundFilterMatch() throws Exception {
    String q17 = // 
    "" + // 
    "SELECT ?j ?k ?l ?m ?n ?o " + // 
    "{" + // 
    " GRAPH ?z { " + // 
    "  ?j <uri:talksTo> ?k . " + // 
    "  FILTER ( ?k < ?l && (?m > ?n || ?o = ?j) ). " + // 
    "     }" + // 
    "}";
    // String q18 = ""//
    // + "SELECT ?r ?s ?t ?u " //
    // + "{" //
    // + " GRAPH ?q { " //
    // + "  FILTER(bound(?r) && sameTerm(?s,?t)&&bound(?u)). " //
    // + "  ?t a ?u ."//
    // + "     }"//
    // + "}";//
    String q19 = // 
    "" + // 
    "SELECT ?a ?b ?c ?d ?f ?q ?g ?h " + // 
    "{" + // 
    " GRAPH ?x { " + // 
    "  ?a a ?b ." + // 
    "  ?b <http://www.w3.org/2000/01/rdf-schema#label> ?c ." + // 
    "  ?d <uri:talksTo> \"5\" . " + // 
    "  FILTER ( \"5\" < ?f && (?a > ?b || ?c = ?d) ). " + // 
    "  FILTER(bound(?f) && sameTerm(?a,?b)&&bound(?q)). " + // 
    "  FILTER(?g IN (1,2,3) && ?h NOT IN(5,6,7)). " + // 
    "  ?h <http://www.w3.org/2000/01/rdf-schema#label> ?g. " + // 
    "  ?b a ?q ." + // 
    "     }" + // 
    "}";
    // String q20 = ""//
    // + "SELECT ?m ?n ?o " //
    // + "{" //
    // + " GRAPH ?q { " //
    // + "  FILTER(?m IN (1,?o,3) && ?n NOT IN(5,6,7)). " //
    // + "  ?n <http://www.w3.org/2000/01/rdf-schema#label> ?m. "//
    // + "     }"//
    // + "}";//
    SPARQLParser parser1 = new SPARQLParser();
    SPARQLParser parser2 = new SPARQLParser();
    ParsedQuery pq1 = parser1.parseQuery(q19, null);
    ParsedQuery pq2 = parser2.parseQuery(q17, null);
    List<TupleExpr> normalize = QueryVariableNormalizer.getNormalizedIndex(pq1.getTupleExpr(), pq2.getTupleExpr());
    System.out.println(normalize);
    Assert.assertEquals(1, normalize.size());
    for (TupleExpr te : normalize) {
        Assert.assertTrue(isTupleSubset(pq1.getTupleExpr(), te));
    }
    FilterCollector fc1 = new FilterCollector();
    pq1.getTupleExpr().visit(fc1);
    List<QueryModelNode> fList1 = fc1.getFilters();
    for (TupleExpr te : normalize) {
        FilterCollector fc2 = new FilterCollector();
        te.visit(fc2);
        List<QueryModelNode> fList2 = fc2.getFilters();
        for (QueryModelNode q : fList2) {
            Assert.assertTrue(fList1.contains(q));
        }
    }
}

Example 35 with QueryModelNode

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

the class OptionalJoinSegmentPCJMatcherTest method testWithUnmatchedNodes.

@Test
public void testWithUnmatchedNodes() throws Exception {
    String query1 = // 
    "" + // 
    "SELECT ?a ?b ?c ?d ?e" + // 
    "{" + // 
    " Filter(?a = <uri:s1>)" + // 
    " Filter(?b = <uri:s2>)" + " {?e <uri:p3> <uri:o2> } UNION {?d <uri:p4> <uri:o3>} ." + " ?a <uri:workAt> <uri:Company1> ." + // 
    "  ?b <uri:talksTo> ?c  . " + // 
    " OPTIONAL { ?b <uri:p1> ?c } . " + // 
    "  ?b <uri:p2> <uri:o1> . " + // 
    "}";
    String query2 = // 
    "" + // 
    "SELECT ?e ?c ?l" + // 
    "{" + // 
    "  ?b <uri:talksTo> ?c  . " + // 
    " OPTIONAL { ?b <uri:p1> ?c } . " + // 
    "  ?b <uri:p2> <uri:o1> . " + // 
    " Filter(?b = <uri:s2>)" + // 
    "}";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq1 = parser.parseQuery(query1, null);
    ParsedQuery pq2 = parser.parseQuery(query2, null);
    TupleExpr te1 = pq1.getTupleExpr();
    TupleExpr te2 = pq2.getTupleExpr();
    Projection proj = (Projection) te1;
    Join join = (Join) proj.getArg();
    ExternalSetMatcher<ExternalTupleSet> jsm = pcjFactory.getMatcher(qFactory.getQuerySegment(join));
    SimpleExternalTupleSet pcj = new SimpleExternalTupleSet((Projection) te2);
    Assert.assertEquals(true, jsm.match(pcj));
    TupleExpr te = jsm.getQuery();
    Set<QueryModelNode> qNodes = LeftJoinQueryNodeGatherer.getNodes(te);
    List<QueryModelNode> nodes = jsm.getOrderedNodes();
    Assert.assertEquals(1, jsm.getUnmatchedArgNodes().size());
    Assert.assertEquals(true, jsm.getUnmatchedArgNodes().contains(nodes.get(3)));
    Set<QueryModelNode> nodeSet = new HashSet<>();
    nodeSet.add(nodes.get(0));
    nodeSet.add(nodes.get(2));
    nodeSet.add(nodes.get(3));
    nodeSet.add(pcj);
    Assert.assertEquals(nodeSet, new HashSet<QueryModelNode>(nodes));
    Assert.assertEquals(nodeSet, qNodes);
}