Examples with FilterOptimizer org.openrdf.query.algebra.evaluation.impl.FilterOptimizer used on opensource projects

Example 1 with FilterOptimizer

use of org.openrdf.query.algebra.evaluation.impl.FilterOptimizer in project incubator-rya by apache.

the class RdfCloudTripleStoreConnection method evaluateInternal.

@Override
protected CloseableIteration<? extends BindingSet, QueryEvaluationException> evaluateInternal(TupleExpr tupleExpr, final Dataset dataset, BindingSet bindings, final boolean flag) throws SailException {
    verifyIsOpen();
    logger.trace("Incoming query model:\n{}", tupleExpr.toString());
    if (provenanceCollector != null) {
        try {
            provenanceCollector.recordQuery(tupleExpr.toString());
        } catch (final ProvenanceCollectionException e) {
            logger.trace("Provenance failed to record query.", e);
        }
    }
    tupleExpr = tupleExpr.clone();
    final C queryConf = (C) store.getConf().clone();
    if (queryConf == null) {
        // Should not happen, but this is better than a null dereference error.
        throw new SailException("Cloning store.getConf() returned null, aborting.");
    }
    if (bindings != null) {
        final Binding dispPlan = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_QUERYPLAN_FLAG);
        if (dispPlan != null) {
            queryConf.setDisplayQueryPlan(Boolean.parseBoolean(dispPlan.getValue().stringValue()));
        }
        final Binding authBinding = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_QUERY_AUTH);
        if (authBinding != null) {
            queryConf.setAuths(authBinding.getValue().stringValue().split(","));
        }
        final Binding ttlBinding = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_TTL);
        if (ttlBinding != null) {
            queryConf.setTtl(Long.valueOf(ttlBinding.getValue().stringValue()));
        }
        final Binding startTimeBinding = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_STARTTIME);
        if (startTimeBinding != null) {
            queryConf.setStartTime(Long.valueOf(startTimeBinding.getValue().stringValue()));
        }
        final Binding performantBinding = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_PERFORMANT);
        if (performantBinding != null) {
            queryConf.setBoolean(RdfCloudTripleStoreConfiguration.CONF_PERFORMANT, Boolean.parseBoolean(performantBinding.getValue().stringValue()));
        }
        final Binding inferBinding = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_INFER);
        if (inferBinding != null) {
            queryConf.setInfer(Boolean.parseBoolean(inferBinding.getValue().stringValue()));
        }
        final Binding useStatsBinding = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_USE_STATS);
        if (useStatsBinding != null) {
            queryConf.setUseStats(Boolean.parseBoolean(useStatsBinding.getValue().stringValue()));
        }
        final Binding offsetBinding = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_OFFSET);
        if (offsetBinding != null) {
            queryConf.setOffset(Long.parseLong(offsetBinding.getValue().stringValue()));
        }
        final Binding limitBinding = bindings.getBinding(RdfCloudTripleStoreConfiguration.CONF_LIMIT);
        if (limitBinding != null) {
            queryConf.setLimit(Long.parseLong(limitBinding.getValue().stringValue()));
        }
    } else {
        bindings = new QueryBindingSet();
    }
    if (!(tupleExpr instanceof QueryRoot)) {
        tupleExpr = new QueryRoot(tupleExpr);
    }
    try {
        final List<Class<QueryOptimizer>> optimizers = queryConf.getOptimizers();
        final Class<QueryOptimizer> pcjOptimizer = queryConf.getPcjOptimizer();
        if (pcjOptimizer != null) {
            QueryOptimizer opt = null;
            try {
                final Constructor<QueryOptimizer> construct = pcjOptimizer.getDeclaredConstructor(new Class[] {});
                opt = construct.newInstance();
            } catch (final Exception e) {
            }
            if (opt == null) {
                throw new NoSuchMethodException("Could not find valid constructor for " + pcjOptimizer.getName());
            }
            if (opt instanceof Configurable) {
                ((Configurable) opt).setConf(conf);
            }
            opt.optimize(tupleExpr, dataset, bindings);
        }
        final ParallelEvaluationStrategyImpl strategy = new ParallelEvaluationStrategyImpl(new StoreTripleSource<C>(queryConf, ryaDAO), inferenceEngine, dataset, queryConf);
        (new BindingAssigner()).optimize(tupleExpr, dataset, bindings);
        (new ConstantOptimizer(strategy)).optimize(tupleExpr, dataset, bindings);
        (new CompareOptimizer()).optimize(tupleExpr, dataset, bindings);
        (new ConjunctiveConstraintSplitter()).optimize(tupleExpr, dataset, bindings);
        (new DisjunctiveConstraintOptimizer()).optimize(tupleExpr, dataset, bindings);
        (new SameTermFilterOptimizer()).optimize(tupleExpr, dataset, bindings);
        (new QueryModelNormalizer()).optimize(tupleExpr, dataset, bindings);
        (new IterativeEvaluationOptimizer()).optimize(tupleExpr, dataset, bindings);
        if (!optimizers.isEmpty()) {
            for (final Class<QueryOptimizer> optclz : optimizers) {
                QueryOptimizer result = null;
                try {
                    final Constructor<QueryOptimizer> meth = optclz.getDeclaredConstructor(new Class[] {});
                    result = meth.newInstance();
                } catch (final Exception e) {
                }
                try {
                    final Constructor<QueryOptimizer> meth = optclz.getDeclaredConstructor(EvaluationStrategy.class);
                    result = meth.newInstance(strategy);
                } catch (final Exception e) {
                }
                if (result == null) {
                    throw new NoSuchMethodException("Could not find valid constructor for " + optclz.getName());
                }
                if (result instanceof Configurable) {
                    ((Configurable) result).setConf(conf);
                }
                result.optimize(tupleExpr, dataset, bindings);
            }
        }
        (new FilterOptimizer()).optimize(tupleExpr, dataset, bindings);
        (new OrderLimitOptimizer()).optimize(tupleExpr, dataset, bindings);
        logger.trace("Optimized query model:\n{}", tupleExpr.toString());
        if (queryConf.isInfer() && this.inferenceEngine != null) {
            try {
                tupleExpr.visit(new DomainRangeVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new SomeValuesFromVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new AllValuesFromVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new HasValueVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new IntersectionOfVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new ReflexivePropertyVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new PropertyChainVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new TransitivePropertyVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new SymmetricPropertyVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new InverseOfVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new SubPropertyOfVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new SubClassOfVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new SameAsVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new OneOfVisitor(queryConf, inferenceEngine));
                tupleExpr.visit(new HasSelfVisitor(queryConf, inferenceEngine));
            } catch (final Exception e) {
                logger.error("Error encountered while visiting query node.", e);
            }
        }
        if (queryConf.isPerformant()) {
            tupleExpr.visit(new SeparateFilterJoinsVisitor());
        // tupleExpr.visit(new FilterTimeIndexVisitor(queryConf));
        // tupleExpr.visit(new PartitionFilterTimeIndexVisitor(queryConf));
        }
        final FilterRangeVisitor rangeVisitor = new FilterRangeVisitor(queryConf);
        tupleExpr.visit(rangeVisitor);
        // this has to be done twice to get replace the statementpatterns with the right ranges
        tupleExpr.visit(rangeVisitor);
        EvaluationStatistics stats = null;
        if (!queryConf.isUseStats() && queryConf.isPerformant() || rdfEvalStatsDAO == null) {
            stats = new DefaultStatistics();
        } else if (queryConf.isUseStats()) {
            if (queryConf.isUseSelectivity()) {
                stats = new RdfCloudTripleStoreSelectivityEvaluationStatistics<C>(queryConf, rdfEvalStatsDAO, selectEvalDAO);
            } else {
                stats = new RdfCloudTripleStoreEvaluationStatistics<C>(queryConf, rdfEvalStatsDAO);
            }
        }
        if (stats != null) {
            if (stats instanceof RdfCloudTripleStoreSelectivityEvaluationStatistics) {
                final QueryJoinSelectOptimizer qjso = new QueryJoinSelectOptimizer(stats, selectEvalDAO);
                qjso.optimize(tupleExpr, dataset, bindings);
            } else {
                final QueryJoinOptimizer qjo = new QueryJoinOptimizer(stats);
                // TODO: Make pluggable
                qjo.optimize(tupleExpr, dataset, bindings);
            }
        }
        final CloseableIteration<BindingSet, QueryEvaluationException> iter = strategy.evaluate(tupleExpr, EmptyBindingSet.getInstance());
        final CloseableIteration<BindingSet, QueryEvaluationException> iterWrap = new CloseableIteration<BindingSet, QueryEvaluationException>() {

            @Override
            public void remove() throws QueryEvaluationException {
                iter.remove();
            }

            @Override
            public BindingSet next() throws QueryEvaluationException {
                return iter.next();
            }

            @Override
            public boolean hasNext() throws QueryEvaluationException {
                return iter.hasNext();
            }

            @Override
            public void close() throws QueryEvaluationException {
                iter.close();
                strategy.shutdown();
            }
        };
        return iterWrap;
    } catch (final QueryEvaluationException e) {
        throw new SailException(e);
    } catch (final Exception e) {
        throw new SailException(e);
    }
}

Example 2 with FilterOptimizer

use of org.openrdf.query.algebra.evaluation.impl.FilterOptimizer in project incubator-rya by apache.

the class QueryJoinSelectOptimizerTest method testOptimizeQ6.

@Test
public void testOptimizeQ6() throws Exception {
    RdfEvalStatsDAO<RdfCloudTripleStoreConfiguration> res = new ProspectorServiceEvalStatsDAO(conn, arc);
    AccumuloSelectivityEvalDAO accc = new AccumuloSelectivityEvalDAO();
    accc.setConf(arc);
    accc.setConnector(conn);
    accc.setRdfEvalDAO(res);
    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";
    String s5 = "predicateobject" + DELIM + "uri:watches" + DELIM + "uri:television";
    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";
    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, m5, m6, m7, m8, m9, m10, m11;
    m1 = new Mutation(s1 + DELIM + "3");
    m1.put(new Text("count"), new Text(""), new Value("5".getBytes()));
    m2 = new Mutation(s2 + DELIM + "2");
    m2.put(new Text("count"), new Text(""), new Value("3".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("0".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("3".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("3".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()));
    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);
    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(s6);
    m7 = new Mutation(s7);
    m8 = new Mutation(s8);
    m9 = new Mutation(s9);
    m10 = new Mutation(s10);
    m11 = new Mutation(new Text("subjectpredicateobject" + DELIM + "FullTableCardinality"));
    m11.put(new Text("FullTableCardinality"), new Text("100"), EMPTY_VAL);
    int i = 2;
    int j = 3;
    int k = 4;
    int l = 5;
    Long count1;
    Long count2;
    Long count3;
    Long count4;
    for (String s : sList) {
        count1 = (long) i;
        count2 = (long) j;
        count3 = (long) k;
        count4 = (long) l;
        m1.put(new Text(s), new Text(count4.toString()), EMPTY_VAL);
        m2.put(new Text(s), new Text(count2.toString()), EMPTY_VAL);
        m3.put(new Text(s), new Text(count1.toString()), EMPTY_VAL);
        m4.put(new Text(s), new Text(count3.toString()), EMPTY_VAL);
        m5.put(new Text(s), new Text(count1.toString()), EMPTY_VAL);
        m6.put(new Text(s), new Text(count2.toString()), EMPTY_VAL);
        m7.put(new Text(s), new Text(count1.toString()), EMPTY_VAL);
        m8.put(new Text(s), new Text(count4.toString()), EMPTY_VAL);
        m9.put(new Text(s), new Text(count3.toString()), EMPTY_VAL);
        m10.put(new Text(s), new Text(count1.toString()), EMPTY_VAL);
        i = 2 * i;
        j = 2 * j;
        k = 2 * k;
        l = 2 * l;
    }
    mList2.add(m1);
    mList2.add(m2);
    mList2.add(m3);
    mList2.add(m5);
    mList2.add(m4);
    mList2.add(m6);
    mList2.add(m7);
    mList2.add(m8);
    mList2.add(m9);
    mList2.add(m10);
    mList2.add(m11);
    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(q6);
    TupleExpr te2 = (TupleExpr) te.clone();
    System.out.println("Bindings are " + te.getBindingNames());
    RdfCloudTripleStoreSelectivityEvaluationStatistics ars = new RdfCloudTripleStoreSelectivityEvaluationStatistics(arc, res, accc);
    QueryJoinSelectOptimizer qjs = new QueryJoinSelectOptimizer(ars, accc);
    System.out.println("Originial query is " + te);
    qjs.optimize(te, null, null);
    FilterOptimizer fo = new FilterOptimizer();
    fo.optimize(te2, null, null);
    System.out.print("filter optimized query before js opt is " + te2);
    qjs.optimize(te2, null, null);
    System.out.println("join selectivity opt query before filter opt is " + te);
    fo.optimize(te, null, null);
    System.out.println("join selectivity opt query is " + te);
    System.out.print("filter optimized query is " + te2);
}

Example 3 with FilterOptimizer

use of org.openrdf.query.algebra.evaluation.impl.FilterOptimizer in project incubator-rya by apache.

the class EntityOptimizerTest method testOptimizeFilters.

@Test
public void testOptimizeFilters() 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(q8);
    (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());
    System.out.println("Test 8 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 4 with FilterOptimizer

use of org.openrdf.query.algebra.evaluation.impl.FilterOptimizer 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 5 with FilterOptimizer

use of org.openrdf.query.algebra.evaluation.impl.FilterOptimizer in project incubator-rya by apache.

the class TupleReArrangerTest method tupleReArrangeTest4.

@Test
public void tupleReArrangeTest4() throws MalformedQueryException {
    String queryString = // 
    "" + // 
    "SELECT ?a ?b ?c ?d ?e ?x ?y" + // 
    "{" + // 
    " Filter(?c = <uri:label2>)" + // 
    " Filter(?x = <uri:somethingFunny>) " + // 
    " Filter(?d = <uri:Fred> ) " + // 
    " ?e <uri:laughsAt> ?x ." + // 
    " ?e <uri:livesIn> ?y . " + // 
    "{ ?a a ?b .  ?a <http://www.w3.org/2000/01/rdf-schema#label> ?c  }" + // 
    " UNION { ?a <uri:talksTo> ?d .  ?a <http://www.w3.org/2000/01/rdf-schema#label> ?e  }" + // 
    "}";
    SPARQLParser sp = new SPARQLParser();
    ParsedQuery pq = sp.parseQuery(queryString, null);
    TupleExpr te = pq.getTupleExpr();
    new FilterOptimizer().optimize(te, null, null);
    System.out.println(te);
    List<TupleExpr> tuples = TupleReArranger.getTupleReOrderings(te);
    System.out.println(tuples);
    Assert.assertEquals(24, tuples.size());
}