Examples with PCJOptimizer org.apache.rya.indexing.pcj.matching.PCJOptimizer used on opensource projects

Example 46 with PCJOptimizer

use of org.apache.rya.indexing.pcj.matching.PCJOptimizer in project incubator-rya by apache.

the class IndexPlanValidatorTest method testEvaluateTwoIndexDiffVars.

@Test
public void testEvaluateTwoIndexDiffVars() throws Exception {
    final String indexSparqlString = // 
    "" + // 
    "SELECT ?chicken ?dog ?pig  " + // 
    "{" + // 
    "  ?dog a ?chicken . " + // 
    "  ?dog <http://www.w3.org/2000/01/rdf-schema#label> ?pig " + // 
    "}";
    final String indexSparqlString2 = // 
    "" + // 
    "SELECT ?fish ?ant ?turkey " + // 
    "{" + // 
    "  ?fish <uri:talksTo> ?turkey . " + // 
    "  ?turkey <http://www.w3.org/2000/01/rdf-schema#label> ?ant " + // 
    "}";
    final String queryString = // 
    "" + // 
    "SELECT ?e ?c ?l ?o ?f ?g " + // 
    "{" + // 
    "  ?e a ?c . " + // 
    "  ?e <http://www.w3.org/2000/01/rdf-schema#label> ?l . " + // 
    "  ?e <uri:talksTo> ?o . " + // 
    "  ?o <http://www.w3.org/2000/01/rdf-schema#label> ?l . " + // 
    "  ?f <uri:talksTo> ?g . " + // 
    "}";
    final SPARQLParser sp = new SPARQLParser();
    final ParsedQuery index1 = sp.parseQuery(indexSparqlString, null);
    final ParsedQuery index2 = sp.parseQuery(indexSparqlString2, null);
    final List<ExternalTupleSet> index = Lists.newArrayList();
    final SimpleExternalTupleSet ais1 = new SimpleExternalTupleSet((Projection) index1.getTupleExpr());
    final SimpleExternalTupleSet ais2 = new SimpleExternalTupleSet((Projection) index2.getTupleExpr());
    index.add(ais1);
    index.add(ais2);
    final ParsedQuery pq = sp.parseQuery(queryString, null);
    final TupleExpr tup = pq.getTupleExpr().clone();
    provider.setIndices(index);
    final PCJOptimizer pcj = new PCJOptimizer(index, false, provider);
    pcj.optimize(tup, null, null);
    final IndexPlanValidator ipv = new IndexPlanValidator(false);
    Assert.assertEquals(false, ipv.isValid(tup));
}

Example 47 with PCJOptimizer

use of org.apache.rya.indexing.pcj.matching.PCJOptimizer in project incubator-rya by apache.

the class IndexPlanValidatorTest method testEvaluateTwoIndexDiffVars2.

@Test
public void testEvaluateTwoIndexDiffVars2() throws Exception {
    final String indexSparqlString = // 
    "" + // 
    "SELECT ?dog ?pig ?chicken  " + // 
    "{" + // 
    "  ?dog a ?chicken . " + // 
    "  ?dog <http://www.w3.org/2000/01/rdf-schema#label> ?pig " + // 
    "}";
    final String indexSparqlString2 = // 
    "" + // 
    "SELECT ?fish ?ant ?turkey " + // 
    "{" + // 
    "  ?fish <uri:talksTo> ?turkey . " + // 
    "  ?turkey <http://www.w3.org/2000/01/rdf-schema#label> ?ant " + // 
    "}";
    final String queryString = // 
    "" + // 
    "SELECT ?e ?c ?l ?o ?f ?g " + // 
    "{" + // 
    "  ?e a ?c . " + // 
    "  ?e <http://www.w3.org/2000/01/rdf-schema#label> ?l . " + // 
    "  ?e <uri:talksTo> ?o . " + // 
    "  ?o <http://www.w3.org/2000/01/rdf-schema#label> ?l . " + // 
    "  ?f <uri:talksTo> ?g . " + // 
    "}";
    final SPARQLParser sp = new SPARQLParser();
    final ParsedQuery index1 = sp.parseQuery(indexSparqlString, null);
    final ParsedQuery index2 = sp.parseQuery(indexSparqlString2, null);
    final List<ExternalTupleSet> index = Lists.newArrayList();
    final SimpleExternalTupleSet ais1 = new SimpleExternalTupleSet((Projection) index1.getTupleExpr());
    final SimpleExternalTupleSet ais2 = new SimpleExternalTupleSet((Projection) index2.getTupleExpr());
    index.add(ais1);
    index.add(ais2);
    final ParsedQuery pq = sp.parseQuery(queryString, null);
    final TupleExpr tup = pq.getTupleExpr().clone();
    provider.setIndices(index);
    final PCJOptimizer pcj = new PCJOptimizer(index, false, provider);
    pcj.optimize(tup, null, null);
    final IndexPlanValidator ipv = new IndexPlanValidator(false);
    Assert.assertEquals(true, ipv.isValid(tup));
}

Example 48 with PCJOptimizer

use of org.apache.rya.indexing.pcj.matching.PCJOptimizer in project incubator-rya by apache.

the class ThreshholdPlanSelectorTest method testCost3.

@Test
public void testCost3() throws Exception {
    String q1 = // 
    "" + // 
    "SELECT ?f ?m ?d ?e ?l ?c " + // 
    "{" + // 
    "  Filter(?f > \"5\")." + // 
    "  Filter(?e > \"6\")." + // 
    "  ?f a ?m ." + // 
    "  ?e a ?l ." + // 
    "  ?d <uri:talksTo> ?f . " + // 
    "  ?c <uri:talksTo> ?e . " + // 
    "  ?m <http://www.w3.org/2000/01/rdf-schema#label> ?d ." + // 
    "  ?l <http://www.w3.org/2000/01/rdf-schema#label> ?c ." + // 
    "}";
    String q2 = // 
    "" + // 
    "SELECT ?s ?t ?u " + // 
    "{" + // 
    "  ?s a ?t ." + // 
    "  ?t <http://www.w3.org/2000/01/rdf-schema#label> ?u ." + // 
    "  ?u <uri:talksTo> ?s . " + // 
    "}";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq1 = parser.parseQuery(q1, null);
    ParsedQuery pq2 = parser.parseQuery(q2, null);
    SimpleExternalTupleSet sep = new SimpleExternalTupleSet((Projection) pq2.getTupleExpr());
    List<ExternalTupleSet> eList = Lists.newArrayList();
    eList.add(sep);
    final TupleExpr te = pq1.getTupleExpr().clone();
    final PCJOptimizer pcj = new PCJOptimizer(eList, false, new AccumuloIndexSetProvider(new Configuration(), eList));
    pcj.optimize(te, null, null);
    ThreshholdPlanSelector tps = new ThreshholdPlanSelector(pq1.getTupleExpr());
    double cost = tps.getCost(te, .4, .3, .3);
    Assert.assertEquals(.575, cost, .0001);
}