Examples with AccumuloSelectivityEvalDAO org.apache.rya.joinselect.AccumuloSelectivityEvalDAO used on opensource projects

Example 21 with AccumuloSelectivityEvalDAO

use of org.apache.rya.joinselect.AccumuloSelectivityEvalDAO in project incubator-rya by apache.

the class EntityOptimizerTest method testOptimizeFilter2.

@Test
public void testOptimizeFilter2() throws Exception {
    AccumuloSelectivityEvalDAO accc = new AccumuloSelectivityEvalDAO();
    accc.setConf(conf);
    accc.setConnector(accCon);
    accc.setRdfEvalDAO(res);
    accc.init();
    BatchWriter bw1 = accCon.createBatchWriter("rya_prospects", config);
    BatchWriter bw2 = accCon.createBatchWriter("rya_selectivity", config);
    String s1 = "predicateobject" + DELIM + "http://www.w3.org/2000/01/rdf-schema#label" + DELIM + "uri:dog";
    String s2 = "predicateobject" + DELIM + "uri:barksAt" + DELIM + "uri:cat";
    String s3 = "predicateobject" + DELIM + "uri:peesOn" + DELIM + "uri:hydrant";
    String s5 = "predicateobject" + DELIM + "uri:scratches" + DELIM + "uri:ears";
    String s4 = "predicateobject" + DELIM + "uri:eats" + DELIM + "uri:chickens";
    String s6 = "predicateobject" + DELIM + "uri:eats" + DELIM + "uri:kibble";
    String s7 = "predicateobject" + DELIM + "uri:rollsIn" + DELIM + "uri:mud";
    String s8 = "predicateobject" + DELIM + "uri:runsIn" + DELIM + "uri:field";
    String s9 = "predicate" + DELIM + "uri:smells";
    String s10 = "predicateobject" + DELIM + "uri:eats" + DELIM + "uri:sticks";
    String s11 = "predicate" + DELIM + "uri:watches";
    List<Mutation> mList = new ArrayList<Mutation>();
    List<Mutation> mList2 = new ArrayList<Mutation>();
    List<String> sList = Arrays.asList("subjectobject", "subjectpredicate", "subjectsubject", "objectsubject", "objectpredicate", "objectobject");
    Mutation m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12;
    m1 = new Mutation(s1 + DELIM + "1");
    m1.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m2 = new Mutation(s2 + DELIM + "1");
    m2.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m3 = new Mutation(s3 + DELIM + "1");
    m3.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m4 = new Mutation(s4 + DELIM + "1");
    m4.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m5 = new Mutation(s5 + DELIM + "1");
    m5.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m6 = new Mutation(s6 + DELIM + "1");
    m6.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m7 = new Mutation(s7 + DELIM + "1");
    m7.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m8 = new Mutation(s8 + DELIM + "1");
    m8.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m9 = new Mutation(s9 + DELIM + "1");
    m9.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m10 = new Mutation(s10 + DELIM + "1");
    m10.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m11 = new Mutation(s11 + DELIM + "1");
    m11.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    mList.add(m1);
    mList.add(m2);
    mList.add(m3);
    mList.add(m4);
    mList.add(m5);
    mList.add(m6);
    mList.add(m7);
    mList.add(m8);
    mList.add(m9);
    mList.add(m10);
    mList.add(m11);
    bw1.addMutations(mList);
    bw1.close();
    m1 = new Mutation(s1);
    m2 = new Mutation(s2);
    m3 = new Mutation(s3);
    m4 = new Mutation(s4);
    m5 = new Mutation(s5);
    m6 = new Mutation(s6);
    m7 = new Mutation(s7);
    m8 = new Mutation(s8);
    m9 = new Mutation(s9);
    m10 = new Mutation(s10);
    m11 = new Mutation(s11);
    m12 = new Mutation(new Text("subjectpredicateobject" + DELIM + "FullTableCardinality"));
    m12.put(new Text("FullTableCardinality"), new Text("100"), EMPTY_VAL);
    for (String s : sList) {
        m1.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m2.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m3.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m4.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m5.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m6.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m7.put(new Text(s), new Text(Integer.toString(2)), EMPTY_VAL);
        m8.put(new Text(s), new Text(Integer.toString(2)), EMPTY_VAL);
        m9.put(new Text(s), new Text(Integer.toString(2)), EMPTY_VAL);
        m10.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m11.put(new Text(s), new Text(Integer.toString(2)), EMPTY_VAL);
    }
    mList2.add(m1);
    mList2.add(m2);
    mList2.add(m3);
    mList2.add(m4);
    mList2.add(m5);
    mList2.add(m6);
    mList2.add(m7);
    mList2.add(m8);
    mList2.add(m9);
    mList2.add(m10);
    mList2.add(m11);
    mList2.add(m12);
    bw2.addMutations(mList2);
    bw2.close();
    TupleExpr te = getTupleExpr(q9);
    System.out.println(te);
    (new FilterOptimizer()).optimize(te, null, null);
    EntityOptimizer cco = new EntityOptimizer(accc);
    System.out.println("Originial query is " + te);
    cco.optimize(te, null, null);
    EntityCentricVisitor ccv = new EntityCentricVisitor();
    te.visit(ccv);
    List<QueryModelNode> nodes = Lists.newArrayList(ccv.getCcNodes());
    Assert.assertEquals(3, nodes.size());
    List<String> cVarList = Lists.newArrayList();
    cVarList.add("i");
    cVarList.add("m");
    for (QueryModelNode q : nodes) {
        if (((EntityTupleSet) q).getStarQuery().getNodes().size() == 2) {
            String s = ((EntityTupleSet) q).getStarQuery().getCommonVarName();
            System.out.println("node is " + q + " and common var is " + s);
            System.out.println("star query is " + ((EntityTupleSet) q).getStarQuery());
            Assert.assertTrue(cVarList.contains(s));
            cVarList.remove(s);
        } else if (((EntityTupleSet) q).getStarQuery().getNodes().size() == 3) {
            Assert.assertEquals("h", ((EntityTupleSet) q).getStarQuery().getCommonVarName());
        } else {
            Assert.assertTrue(false);
        }
    }
    System.out.println(te);
}

Example 22 with AccumuloSelectivityEvalDAO

use of org.apache.rya.joinselect.AccumuloSelectivityEvalDAO in project incubator-rya by apache.

the class EntityOptimizerTest method testOptimizeQ3SamePriority.

@Test
public void testOptimizeQ3SamePriority() throws Exception {
    AccumuloSelectivityEvalDAO accc = new AccumuloSelectivityEvalDAO();
    accc.setConf(conf);
    accc.setConnector(accCon);
    accc.setRdfEvalDAO(res);
    accc.init();
    BatchWriter bw1 = accCon.createBatchWriter("rya_prospects", config);
    BatchWriter bw2 = accCon.createBatchWriter("rya_selectivity", config);
    String s1 = "predicateobject" + DELIM + "http://www.w3.org/2000/01/rdf-schema#label" + DELIM + "uri:dog";
    String s2 = "predicateobject" + DELIM + "uri:barksAt" + DELIM + "uri:cat";
    String s3 = "predicateobject" + DELIM + "uri:peesOn" + DELIM + "uri:hydrant";
    String s5 = "predicateobject" + DELIM + "uri:scratches" + DELIM + "uri:ears";
    String s4 = "predicateobject" + DELIM + "uri:eats" + DELIM + "uri:chickens";
    String s6 = "predicateobject" + DELIM + "uri:eats" + DELIM + "uri:kibble";
    String s7 = "predicateobject" + DELIM + "uri:rollsIn" + DELIM + "uri:mud";
    String s8 = "predicateobject" + DELIM + "uri:runsIn" + DELIM + "uri:field";
    String s9 = "predicateobject" + DELIM + "uri:smells" + DELIM + "uri:butt";
    String s10 = "predicateobject" + DELIM + "uri:eats" + DELIM + "uri:sticks";
    String s11 = "predicateobject" + DELIM + "uri:watches" + DELIM + "uri:television";
    List<Mutation> mList = new ArrayList<Mutation>();
    List<Mutation> mList2 = new ArrayList<Mutation>();
    List<String> sList = Arrays.asList("subjectobject", "subjectpredicate", "subjectsubject");
    Mutation m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12;
    m1 = new Mutation(s1 + DELIM + "1");
    m1.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m2 = new Mutation(s2 + DELIM + "1");
    m2.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m3 = new Mutation(s3 + DELIM + "1");
    m3.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m4 = new Mutation(s4 + DELIM + "1");
    m4.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m5 = new Mutation(s5 + DELIM + "1");
    m5.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m6 = new Mutation(s6 + DELIM + "1");
    m6.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m7 = new Mutation(s7 + DELIM + "1");
    m7.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m8 = new Mutation(s8 + DELIM + "1");
    m8.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m9 = new Mutation(s9 + DELIM + "1");
    m9.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m10 = new Mutation(s10 + DELIM + "1");
    m10.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m11 = new Mutation(s11 + DELIM + "1");
    m11.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    mList.add(m1);
    mList.add(m2);
    mList.add(m3);
    mList.add(m4);
    mList.add(m5);
    mList.add(m6);
    mList.add(m7);
    mList.add(m8);
    mList.add(m9);
    mList.add(m10);
    mList.add(m11);
    bw1.addMutations(mList);
    bw1.close();
    m1 = new Mutation(s1);
    m2 = new Mutation(s2);
    m3 = new Mutation(s3);
    m4 = new Mutation(s4);
    m5 = new Mutation(s5);
    m6 = new Mutation(s6);
    m7 = new Mutation(s7);
    m8 = new Mutation(s8);
    m9 = new Mutation(s9);
    m10 = new Mutation(s10);
    m11 = new Mutation(s11);
    m12 = new Mutation(new Text("subjectpredicateobject" + DELIM + "FullTableCardinality"));
    m12.put(new Text("FullTableCardinality"), new Text("100"), EMPTY_VAL);
    for (String s : sList) {
        m1.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m2.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m3.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m4.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m5.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m6.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m7.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m8.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m9.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m10.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m11.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
    }
    mList2.add(m1);
    mList2.add(m2);
    mList2.add(m3);
    mList2.add(m4);
    mList2.add(m5);
    mList2.add(m6);
    mList2.add(m7);
    mList2.add(m8);
    mList2.add(m9);
    mList2.add(m10);
    mList2.add(m11);
    mList2.add(m12);
    bw2.addMutations(mList2);
    bw2.close();
    TupleExpr te = getTupleExpr(q3);
    EntityOptimizer cco = new EntityOptimizer(accc);
    System.out.println("Originial query is " + te);
    cco.optimize(te, null, null);
    EntityCentricVisitor ccv = new EntityCentricVisitor();
    te.visit(ccv);
    Assert.assertEquals(3, ccv.getCcNodes().size());
    System.out.println(te);
}

Example 23 with AccumuloSelectivityEvalDAO

use of org.apache.rya.joinselect.AccumuloSelectivityEvalDAO in project incubator-rya by apache.

the class EntityOptimizerTest method testOptimizeConstantPriority.

@Test
public void testOptimizeConstantPriority() throws Exception {
    AccumuloSelectivityEvalDAO accc = new AccumuloSelectivityEvalDAO();
    accc.setConf(conf);
    accc.setConnector(accCon);
    accc.setRdfEvalDAO(res);
    accc.init();
    BatchWriter bw1 = accCon.createBatchWriter("rya_prospects", config);
    BatchWriter bw2 = accCon.createBatchWriter("rya_selectivity", config);
    String s1 = "predicateobject" + DELIM + "http://www.w3.org/2000/01/rdf-schema#label" + DELIM + "uri:chickens";
    String s2 = "predicateobject" + DELIM + "uri:barksAt" + DELIM + "uri:chickens";
    String s3 = "predicate" + DELIM + "uri:peesOn";
    String s5 = "predicateobject" + DELIM + "uri:scratches" + DELIM + "uri:ears";
    String s4 = "predicateobject" + DELIM + "uri:eats" + DELIM + "uri:chickens";
    List<Mutation> mList = new ArrayList<Mutation>();
    List<Mutation> mList2 = new ArrayList<Mutation>();
    List<String> sList = Arrays.asList("subjectobject", "subjectpredicate", "subjectsubject", "objectsubject", "objectpredicate", "objectobject");
    Mutation m1, m2, m3, m4, m5, m6;
    m1 = new Mutation(s1 + DELIM + "1");
    m1.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m2 = new Mutation(s2 + DELIM + "1");
    m2.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m3 = new Mutation(s3 + DELIM + "1");
    m3.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m4 = new Mutation(s4 + DELIM + "1");
    m4.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m5 = new Mutation(s5 + DELIM + "1");
    m5.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    mList.add(m1);
    mList.add(m2);
    mList.add(m3);
    mList.add(m4);
    mList.add(m5);
    bw1.addMutations(mList);
    bw1.close();
    m1 = new Mutation(s1);
    m2 = new Mutation(s2);
    m3 = new Mutation(s3);
    m4 = new Mutation(s4);
    m5 = new Mutation(s5);
    m6 = new Mutation(new Text("subjectpredicateobject" + DELIM + "FullTableCardinality"));
    m6.put(new Text("FullTableCardinality"), new Text("100"), EMPTY_VAL);
    for (String s : sList) {
        m1.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m2.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m3.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m4.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m5.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
    }
    mList2.add(m1);
    mList2.add(m2);
    mList2.add(m3);
    mList2.add(m4);
    mList2.add(m5);
    mList2.add(m6);
    bw2.addMutations(mList2);
    bw2.close();
    TupleExpr te = getTupleExpr(q7);
    EntityOptimizer cco = new EntityOptimizer(accc);
    System.out.println("Originial query is " + te);
    cco.optimize(te, null, null);
    EntityCentricVisitor ccv = new EntityCentricVisitor();
    te.visit(ccv);
    List<QueryModelNode> nodes = Lists.newArrayList(ccv.getCcNodes());
    System.out.println("Test 7 nodes are :" + nodes);
    Assert.assertEquals(2, nodes.size());
    for (QueryModelNode q : nodes) {
        if (((EntityTupleSet) q).getStarQuery().getNodes().size() == 2) {
            Assert.assertEquals("m", ((EntityTupleSet) q).getStarQuery().getCommonVarName());
        } else if (((EntityTupleSet) q).getStarQuery().getNodes().size() == 3) {
            Assert.assertEquals("uri:chickens", ((EntityTupleSet) q).getStarQuery().getCommonVarName());
        } else {
            Assert.assertTrue(false);
        }
    }
    System.out.println(te);
}

Example 24 with AccumuloSelectivityEvalDAO

use of org.apache.rya.joinselect.AccumuloSelectivityEvalDAO in project incubator-rya by apache.

the class EntityOptimizerTest method testOptimizeQ2SamePriority.

@Test
public void testOptimizeQ2SamePriority() throws Exception {
    AccumuloSelectivityEvalDAO accc = new AccumuloSelectivityEvalDAO();
    accc.setConf(conf);
    accc.setConnector(accCon);
    accc.setRdfEvalDAO(res);
    accc.init();
    BatchWriter bw1 = accCon.createBatchWriter("rya_prospects", config);
    BatchWriter bw2 = accCon.createBatchWriter("rya_selectivity", config);
    String s1 = "predicateobject" + DELIM + "http://www.w3.org/2000/01/rdf-schema#label" + DELIM + "uri:dog";
    String s2 = "predicateobject" + DELIM + "uri:barksAt" + DELIM + "uri:cat";
    String s3 = "predicateobject" + DELIM + "uri:peesOn" + DELIM + "uri:hydrant";
    String s5 = "predicateobject" + DELIM + "uri:scratches" + DELIM + "uri:ears";
    String s4 = "predicateobject" + DELIM + "uri:eats" + DELIM + "uri:chickens";
    List<Mutation> mList = new ArrayList<Mutation>();
    List<Mutation> mList2 = new ArrayList<Mutation>();
    List<String> sList = Arrays.asList("subjectobject", "subjectpredicate", "subjectsubject");
    Mutation m1, m2, m3, m4, m5, m6;
    m1 = new Mutation(s1 + DELIM + "1");
    m1.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m2 = new Mutation(s2 + DELIM + "1");
    m2.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m3 = new Mutation(s3 + DELIM + "1");
    m3.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m4 = new Mutation(s4 + DELIM + "1");
    m4.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m5 = new Mutation(s5 + DELIM + "1");
    m5.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    mList.add(m1);
    mList.add(m2);
    mList.add(m3);
    mList.add(m4);
    mList.add(m5);
    bw1.addMutations(mList);
    bw1.close();
    // Scanner scan = conn.createScanner("rya_prospects", new Authorizations());
    // scan.setRange(new Range());
    // 
    // for (Map.Entry<Key,Value> entry : scan) {
    // System.out.println("Key row string is " + entry.getKey().getRow().toString());
    // System.out.println("Key is " + entry.getKey());
    // System.out.println("Value is " + (new String(entry.getValue().get())));
    // }
    m1 = new Mutation(s1);
    m2 = new Mutation(s2);
    m3 = new Mutation(s3);
    m4 = new Mutation(s4);
    m5 = new Mutation(s5);
    m6 = new Mutation(new Text("subjectpredicateobject" + DELIM + "FullTableCardinality"));
    m6.put(new Text("FullTableCardinality"), new Text("100"), EMPTY_VAL);
    for (String s : sList) {
        m1.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m2.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m3.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m4.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
        m5.put(new Text(s), new Text(Integer.toString(1)), EMPTY_VAL);
    }
    mList2.add(m1);
    mList2.add(m2);
    mList2.add(m3);
    mList2.add(m4);
    mList2.add(m5);
    mList2.add(m6);
    bw2.addMutations(mList2);
    bw2.close();
    TupleExpr te = getTupleExpr(q2);
    EntityOptimizer cco = new EntityOptimizer(accc);
    System.out.println("Originial query is " + te);
    cco.optimize(te, null, null);
    EntityCentricVisitor ccv = new EntityCentricVisitor();
    te.visit(ccv);
    Assert.assertEquals(2, ccv.getCcNodes().size());
    System.out.println(te);
}

Example 25 with AccumuloSelectivityEvalDAO

use of org.apache.rya.joinselect.AccumuloSelectivityEvalDAO in project incubator-rya by apache.

the class RdfCloudTripleStoreSelectivityEvaluationStatisticsTest method testOptimizeQ1.

@Test
public void testOptimizeQ1() throws Exception {
    RdfEvalStatsDAO<RdfCloudTripleStoreConfiguration> res = new ProspectorServiceEvalStatsDAO(conn, arc);
    AccumuloSelectivityEvalDAO accc = new AccumuloSelectivityEvalDAO();
    accc.setConf(arc);
    accc.setRdfEvalDAO(res);
    accc.setConnector(conn);
    accc.init();
    BatchWriter bw1 = conn.createBatchWriter("rya_prospects", config);
    BatchWriter bw2 = conn.createBatchWriter("rya_selectivity", config);
    String s1 = "predicateobject" + DELIM + "http://www.w3.org/2000/01/rdf-schema#label" + DELIM + "uri:dog";
    String s2 = "predicateobject" + DELIM + "uri:barksAt" + DELIM + "uri:cat";
    String s3 = "predicateobject" + DELIM + "uri:peesOn" + DELIM + "uri:hydrant";
    List<Mutation> mList = new ArrayList<Mutation>();
    List<Mutation> mList2 = new ArrayList<Mutation>();
    List<String> sList = Arrays.asList("subjectobject", "subjectpredicate", "subjectsubject", "predicateobject", "predicatepredicate", "predicatesubject");
    Mutation m1, m2, m3, m4;
    m1 = new Mutation(s1 + DELIM + "1");
    m1.put(new Text("count"), new Text(""), new Value("1".getBytes()));
    m2 = new Mutation(s2 + DELIM + "2");
    m2.put(new Text("count"), new Text(""), new Value("2".getBytes()));
    m3 = new Mutation(s3 + DELIM + "3");
    m3.put(new Text("count"), new Text(""), new Value("3".getBytes()));
    mList.add(m1);
    mList.add(m2);
    mList.add(m3);
    bw1.addMutations(mList);
    bw1.close();
    // Scanner scan = conn.createScanner("rya_prospects", new Authorizations());
    // scan.setRange(new Range());
    // for (Map.Entry<Key, Value> entry : scan) {
    // System.out.println("Key row string is " + entry.getKey().getRow().toString());
    // System.out.println("Key is " + entry.getKey());
    // System.out.println("Value is " + (new String(entry.getValue().get())));
    // }
    m1 = new Mutation(s1);
    m2 = new Mutation(s2);
    m3 = new Mutation(s3);
    m4 = new Mutation(new Text("subjectpredicateobject" + DELIM + "FullTableCardinality"));
    m4.put(new Text("FullTableCardinality"), new Text("100"), EMPTY_VAL);
    int i = 2;
    int j = 3;
    int k = 4;
    Long count1;
    Long count2;
    Long count3;
    for (String s : sList) {
        count1 = (long) i;
        count2 = (long) j;
        count3 = (long) k;
        m1.put(new Text(s), new Text(count1.toString()), EMPTY_VAL);
        m2.put(new Text(s), new Text(count2.toString()), EMPTY_VAL);
        m3.put(new Text(s), new Text(count3.toString()), EMPTY_VAL);
        i = 2 * i;
        j = 2 * j;
        k = 2 * k;
    }
    mList2.add(m1);
    mList2.add(m2);
    mList2.add(m3);
    mList2.add(m4);
    bw2.addMutations(mList2);
    bw2.close();
    // scan = conn.createScanner("rya_selectivity", new Authorizations());
    // scan.setRange(new Range());
    // for (Map.Entry<Key, Value> entry : scan) {
    // System.out.println("Key row string is " + entry.getKey().getRow().toString());
    // System.out.println("Key is " + entry.getKey());
    // System.out.println("Value is " + (new String(entry.getKey().getColumnQualifier().toString())));
    // 
    // }
    TupleExpr te = getTupleExpr(q1);
    System.out.println(te);
    RdfCloudTripleStoreSelectivityEvaluationStatistics ars = new RdfCloudTripleStoreSelectivityEvaluationStatistics(arc, res, accc);
    double card = ars.getCardinality(te);
    Assert.assertEquals(6.3136, card, .0001);
}