Java Code Examples for org.eclipse.rdf4j.query.parser.sparql.SPARQLParser#parseQuery()
The following examples show how to use
org.eclipse.rdf4j.query.parser.sparql.SPARQLParser#parseQuery() .
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Example 1
| Source File: QueryVariableNormalizerTest.java From rya with Apache License 2.0 | 6 votes |
|
@Test
public void testSimpleVarGraph() throws Exception {
SPARQLParser parser1 = new SPARQLParser();
SPARQLParser parser2 = new SPARQLParser();
ParsedQuery pq1 = parser1.parseQuery(q22, null);
ParsedQuery pq2 = parser2.parseQuery(q23, null);
List<TupleExpr> normalize = QueryVariableNormalizer.getNormalizedIndex(pq1.getTupleExpr(),
pq2.getTupleExpr());
Assert.assertTrue(normalize.size() == 1);
for (TupleExpr s : normalize) {
Assert.assertTrue(tupleEquals(s, pq1.getTupleExpr()));
}
}
Example 2
| Source File: QueryJoinOptimizerTest.java From rdf4j with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
@Test
public void testSES2116JoinBind() throws Exception {
StringBuilder qb = new StringBuilder();
qb.append("SELECT ?subject ?name ?row {\n" + " ?subject <http://localhost/table_1> ?uri .\n"
+ " BIND(STR(?uri) AS ?name)\n"
+ " ?table <http://linked.opendata.cz/ontology/odcs/tabular/hasRow> ?row .\n"
+ " ?table <http://linked.opendata.cz/ontology/odcs/tabular/symbolicName> ?name .\n" + "}");
SPARQLParser parser = new SPARQLParser();
ParsedQuery q = parser.parseQuery(qb.toString(), null);
QueryJoinOptimizer opt = new QueryJoinOptimizer();
QueryRoot optRoot = new QueryRoot(q.getTupleExpr());
opt.optimize(optRoot, null, null);
TupleExpr leaf = findLeaf(optRoot);
Assert.assertTrue("Extension must be evaluated before StatementPattern",
leaf.getParentNode() instanceof Extension);
}
Example 3
| Source File: FlattenedOptionalTest.java From rya with Apache License 2.0 | 6 votes |
|
@Test
public void testBasicOptional() throws MalformedQueryException {
String query = ""//
+ "SELECT ?e ?c ?l" //
+ "{" //
+ " ?e a ?c . "//
+ " ?e <http://www.w3.org/2000/01/rdf-schema#label> ?l "//
+ " OPTIONAL{?e <uri:talksTo> ?l } . "//
+ "}";//
SPARQLParser parser = new SPARQLParser();
ParsedQuery pq = parser.parseQuery(query, null);
List<TupleExpr> joinArgs = getJoinArgs(pq.getTupleExpr(),
new ArrayList<TupleExpr>());
FlattenedOptional optional = (FlattenedOptional) joinArgs.get(0);
TupleExpr sp1 = joinArgs.get(1);
TupleExpr sp2 = joinArgs.get(2);
Assert.assertEquals(false, optional.canRemoveTuple(sp2));
Assert.assertEquals(true, optional.canRemoveTuple(sp1));
// System.out.println(joinArgs);
}
Example 4
| Source File: QueryBenchmark.java From rya with Apache License 2.0 | 6 votes |
|
public void run() throws MalformedQueryException, QueryEvaluationException, NotEnoughResultsException, SailException {
CloseableIteration<? extends BindingSet, QueryEvaluationException> it = null;
try {
// Execute the query.
final SPARQLParser sparqlParser = new SPARQLParser();
final ParsedQuery parsedQuery = sparqlParser.parseQuery(sparql, null);
it = sailConn.evaluate(parsedQuery.getTupleExpr(), null, null, false);
// Perform the reads.
if(numReads.isPresent()) {
read(it, numReads.get() );
} else {
readAll(it);
}
} finally {
if(it != null) {
it.close();
}
}
}
Example 5
| Source File: PeriodicQueryUtilTest.java From rya with Apache License 2.0 | 5 votes |
|
@Test
public void testPeriodicNodeLocation() throws MalformedQueryException {
String query = "prefix function: <http://org.apache.rya/function#> " //n
+ "prefix time: <http://www.w3.org/2006/time#> " //n
+ "prefix fn: <http://www.w3.org/2006/fn#> " //n
+ "select ?obs ?time ?lat where {" //n
+ "Filter(function:periodic(?time, 1,.5,time:hours)) " //n
+ "Filter(fn:test(?lat, 25)) " //n
+ "?obs <uri:hasTime> ?time. " //n
+ "?obs <uri:hasLattitude> ?lat }"; //n
SPARQLParser parser = new SPARQLParser();
ParsedQuery pq = parser.parseQuery(query, null);
TupleExpr te = pq.getTupleExpr();
te.visit(new PeriodicQueryNodeVisitor());
PeriodicNodeCollector collector = new PeriodicNodeCollector();
te.visit(collector);
Assert.assertEquals(2, collector.getPos());
te.visit(new PeriodicQueryNodeRelocator());
collector.resetCount();
te.visit(collector);
Assert.assertEquals(1, collector.getPos());
double window = 1*60*60*1000;
double period = .5*3600*1000;
PeriodicQueryNode node2 = new PeriodicQueryNode((long) window, (long) period, TimeUnit.MILLISECONDS, "time", new Join());
Assert.assertEquals(true, periodicNodesEqualIgnoreArg(node2, collector.getPeriodicQueryNode()));
}
Example 6
| Source File: GeneralizedExternalProcessorTest.java From rya with Apache License 2.0 | 5 votes |
|
@Test
public void testTwoIndexLargeQuery() throws Exception {
SPARQLParser parser = new SPARQLParser();
ParsedQuery pq1 = parser.parseQuery(q15, null);
ParsedQuery pq2 = parser.parseQuery(q7, null);
ParsedQuery pq3 = parser.parseQuery(q12, null);
System.out.println("Query is " + pq1.getTupleExpr());
SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet(
new Projection(pq2.getTupleExpr()));
SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(
new Projection(pq3.getTupleExpr()));
List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
list.add(extTup2);
list.add(extTup1);
IndexedExecutionPlanGenerator iep = new IndexedExecutionPlanGenerator(
pq1.getTupleExpr(), list);
List<ExternalTupleSet> indexSet = iep.getNormalizedIndices();
Assert.assertEquals(4, indexSet.size());
Set<TupleExpr> processedTups = Sets.newHashSet(iep.getIndexedTuples());
Assert.assertEquals(5, processedTups.size());
}
Example 7
| Source File: PrecompJoinOptimizerTest2.java From rya with Apache License 2.0 | 5 votes |
|
@Test
public void testISNUMERIC() throws Exception {
final SPARQLParser parser1 = new SPARQLParser();
final SPARQLParser parser2 = new SPARQLParser();
final ParsedQuery pq1 = parser1.parseQuery(q29, null);
final ParsedQuery pq2 = parser2.parseQuery(q30, null);
final SimpleExternalTupleSet extTup = new SimpleExternalTupleSet(
new Projection(pq2.getTupleExpr()));
final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
list.add(extTup);
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() == 1);
}
Example 8
| Source File: PCJNodeConsolidatorTest.java From rya with Apache License 2.0 | 5 votes |
|
@Test
public void testInvalidOrder() throws Exception {
String query1 = ""//
+ "SELECT ?a ?b ?c ?d" //
+ "{" //
+ " ?a <uri:p5> <uri:const3>" //
+ " OPTIONAL{<uri:const2> <uri:p4> ?d } . "//
+ " ?a <uri:p4> ?b . "//
+ " OPTIONAL{?a <uri:p3> ?c} . " //
+ " OPTIONAL{<uri:const1> <uri:p2> ?b} . "//
+ " ?c <uri:p1> ?d "
+ "}";//
String query2 = ""//
+ "SELECT ?a ?b ?c ?d" //
+ "{" //
+ " ?a <uri:p4> ?b . "//
+ " ?c <uri:p1> ?d "
+ " OPTIONAL{<uri:const2> <uri:p4> ?d } . "//
+ "}";//
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();
LeftJoin join2 = (LeftJoin) ((Projection) te2).getArg();
QuerySegment<ExternalTupleSet> seg1 = qFactory.getQuerySegment(join1);
QuerySegment<ExternalTupleSet> seg2 = qFactory.getQuerySegment(join2);
QueryNodeConsolidator consolidator = new QueryNodeConsolidator(seg1.getOrderedNodes(), seg2.getOrderedNodes());
Assert.assertTrue(!consolidator.consolidateNodes());
}
Example 9
| Source File: StatementMetadataOptimizerTest.java From rya with Apache License 2.0 | 5 votes |
|
@Test
public void testMongoMatchQuery() throws MalformedQueryException {
SPARQLParser parser = new SPARQLParser();
ParsedQuery pq = parser.parseQuery(query, null);
TupleExpr te = pq.getTupleExpr();
System.out.println("Parametrized query is : " + te);
mongoOptimizer.optimize(te, null, null);
System.out.println("Result of optimization is : " + te);
assertEquals(expected, StatementMetadataTestUtils.getMetadataNodes(te));
}
Example 10
| Source File: ConstructGraphTest.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void testConstructGraphSerializerBlankNode() throws MalformedQueryException {
String query = "select ?x where { _:b <uri:talksTo> ?x. _:b <uri:worksAt> ?y }";
SPARQLParser parser = new SPARQLParser();
ParsedQuery pq = parser.parseQuery(query, null);
List<StatementPattern> patterns = StatementPatternCollector.process(pq.getTupleExpr());
ConstructGraph graph = new ConstructGraph(patterns);
String constructString = ConstructGraphSerializer.toConstructString(graph);
ConstructGraph deserialized = ConstructGraphSerializer.toConstructGraph(constructString);
assertEquals(graph, deserialized);
}
Example 11
| Source File: PrecompJoinOptimizerTest2.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void testTwoIndexLargeQuery() throws Exception {
final SPARQLParser parser1 = new SPARQLParser();
final SPARQLParser parser2 = new SPARQLParser();
final SPARQLParser parser3 = new SPARQLParser();
final ParsedQuery pq1 = parser1.parseQuery(q11, null);
final ParsedQuery pq2 = parser2.parseQuery(q7, null);
final ParsedQuery pq3 = parser3.parseQuery(q12, null);
System.out.println("Query is " + pq1.getTupleExpr());
System.out.println("Indexes are " + pq2.getTupleExpr() + " and "
+ pq3.getTupleExpr());
final SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet(
(Projection) pq2.getTupleExpr());
final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(
(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));
}
Example 12
| Source File: PrecompJoinOptimizerTest.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void testThreeIndex2() throws Exception {
final String q1 = ""//
+ "SELECT ?f ?m ?d ?e ?l ?c " //
+ "{" //
+ " ?f a ?m ."//
+ " ?c a ?l ."//
+ " ?d <uri:talksTo> ?f . "//
+ " ?e <uri:talksTo> ?c . "//
+ " ?m <http://www.w3.org/2000/01/rdf-schema#label> ?d ."//
+ " ?l <http://www.w3.org/2000/01/rdf-schema#label> ?e ."//
+ " ?m <uri:talksTo> ?e . "//
+ "}";//
final String q2 = ""//
+ "SELECT ?u ?s ?t " //
+ "{" //
+ " ?s a ?t ."//
+ " ?t <http://www.w3.org/2000/01/rdf-schema#label> ?u ."//
+ " ?u <uri:talksTo> ?s . "//
+ "}";//
final String q3 = ""//
+ "SELECT ?e ?c ?l " //
+ "{" //
+ " ?c a ?l ."//
+ " ?l <http://www.w3.org/2000/01/rdf-schema#label> ?e ."//
+ " ?e <uri:talksTo> ?c . "//
+ "}";//
final String q4 = ""//
+ "SELECT ?d ?f ?m " //
+ "{" //
+ " ?f a ?m ."//
+ " ?m <http://www.w3.org/2000/01/rdf-schema#label> ?d ."//
+ " ?d <uri:talksTo> ?f . "//
+ "}";//
final SPARQLParser parser = new SPARQLParser();
final ParsedQuery pq1 = parser.parseQuery(q1, null);
final ParsedQuery pq2 = parser.parseQuery(q2, null);
final ParsedQuery pq3 = parser.parseQuery(q3, null);
final ParsedQuery pq4 = parser.parseQuery(q4, null);
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);
final List<StatementPattern> spList = StatementPatternCollector
.process(pq1.getTupleExpr());
final List<QueryModelNode> optTupNodes = Lists.newArrayList();
optTupNodes.add(extTup3);
optTupNodes.add(spList.get(6));
optTupNodes.add(extTup2);
provider.setIndices(list);
final PCJOptimizer pcj = new PCJOptimizer(list, true, provider);
final TupleExpr te = pq1.getTupleExpr();
pcj.optimize(te, null, null);
final NodeCollector nc = new NodeCollector();
te.visit(nc);
Assert.assertEquals(nc.qNodes, Sets.newHashSet(optTupNodes));
}
Example 13
| Source File: PCJNodeConsolidatorTest.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void testUpperLowerBoundOptional() throws Exception {
String query1 = ""//
+ "SELECT ?a ?b ?c ?d" //
+ "{" //
+ " ?a <uri:p5> <uri:const3>" //
+ " OPTIONAL{<uri:const2> <uri:p4> ?d } . "//
+ " ?a <uri:p4> ?b . "//
+ " OPTIONAL{?a <uri:p3> ?c} . " //
+ " OPTIONAL{<uri:const1> <uri:p2> ?b} . "//
+ " ?c <uri:p1> ?d "
+ "}";//
String query2 = ""//
+ "SELECT ?a ?b ?c ?d" //
+ "{" //
+ " ?a <uri:p4> ?b . "//
+ " OPTIONAL{<uri:const2> <uri:p4> ?d } . "//
+ " ?c <uri:p1> ?d "
+ "}";//
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);
QueryNodeConsolidator consolidator = new QueryNodeConsolidator(seg1.getOrderedNodes(), seg2.getOrderedNodes());
List<QueryModelNode> queryNodes = new ArrayList<>(seg1.getOrderedNodes());
QueryModelNode node = queryNodes.remove(0);
queryNodes.add(1,node);
node = queryNodes.remove(3);
queryNodes.add(2, node);
node = queryNodes.remove(4);
queryNodes.add(2, node);
Assert.assertTrue(consolidator.consolidateNodes());
Assert.assertEquals(consolidator.getQueryNodes(), queryNodes);
}
Example 14
| Source File: AccumuloIndexSetTest.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void accumuloIndexSetTestWithTwoDirectProductBindingSetsWithMapping() throws RepositoryException, PcjException, TableNotFoundException,
RyaTypeResolverException, MalformedQueryException, SailException, QueryEvaluationException, AccumuloException, AccumuloSecurityException {
// Load some Triples into Rya.
final Set<Statement> triples = new HashSet<>();
triples.add( VF.createStatement(VF.createIRI("http://Alice"), VF.createIRI("http://hasAge"), VF.createLiteral(BigInteger.valueOf(14))) );
triples.add( VF.createStatement(VF.createIRI("http://Alice"), VF.createIRI("http://playsSport"), VF.createLiteral("Soccer")) );
triples.add( VF.createStatement(VF.createIRI("http://Bob"), VF.createIRI("http://hasAge"), VF.createLiteral(BigInteger.valueOf(16))) );
triples.add( VF.createStatement(VF.createIRI("http://Bob"), VF.createIRI("http://playsSport"), VF.createLiteral("Soccer")) );
triples.add( VF.createStatement(VF.createIRI("http://Charlie"), VF.createIRI("http://hasAge"), VF.createLiteral(BigInteger.valueOf(12))) );
triples.add( VF.createStatement(VF.createIRI("http://Charlie"), VF.createIRI("http://playsSport"), VF.createLiteral("Soccer")) );
triples.add( VF.createStatement(VF.createIRI("http://Eve"), VF.createIRI("http://hasAge"), VF.createLiteral(43)) );
triples.add( VF.createStatement(VF.createIRI("http://Eve"), VF.createIRI("http://playsSport"), VF.createLiteral("Soccer")) );
for(final Statement triple : triples) {
ryaConn.add(triple);
}
// Create a PCJ table will include those triples in its results.
final String sparql =
"SELECT ?name ?age " +
"{" +
"FILTER(?age < 30) ." +
"?name <http://hasAge> ?age." +
"?name <http://playsSport> \"Soccer\" " +
"}";
final String pcjTableName = new PcjTableNameFactory().makeTableName(prefix, "testPcj");
// Create and populate the PCJ table.
PcjIntegrationTestingUtil.createAndPopulatePcj(ryaConn, accumuloConn, pcjTableName, sparql, new String[]{"name", "age"}, Optional.absent());
final String sparql2 =
"SELECT ?x ?y " +
"{" +
"FILTER(?y < 30) ." +
"?x <http://hasAge> ?y." +
"?x <http://playsSport> \"Soccer\" " +
"}";
final SPARQLParser p = new SPARQLParser();
final ParsedQuery pq = p.parseQuery(sparql2, null);
final Map<String,String> map = new HashMap<>();
map.put("x", "name");
map.put("y", "age");
final AccumuloIndexSet ais = new AccumuloIndexSet(conf, pcjTableName);
ais.setProjectionExpr((Projection) pq.getTupleExpr());
ais.setTableVarMap(map);
ais.setSupportedVariableOrderMap(Lists.newArrayList("x;y","y;x"));
final QueryBindingSet bs = new QueryBindingSet();
bs.addBinding("birthDate",VF.createLiteral("1983-03-17",VF.createIRI("http://www.w3.org/2001/XMLSchema#date")));
bs.addBinding("x",VF.createIRI("http://Alice"));
final QueryBindingSet bs2 = new QueryBindingSet();
bs2.addBinding("birthDate",VF.createLiteral("1983-04-18",VF.createIRI("http://www.w3.org/2001/XMLSchema#date")));
bs2.addBinding("x",VF.createIRI("http://Bob"));
final Set<BindingSet> bSets = Sets.newHashSet(bs,bs2);
final CloseableIteration<BindingSet, QueryEvaluationException> results = ais.evaluate(bSets);
final QueryBindingSet alice = new QueryBindingSet();
alice.addBinding("x", VF.createIRI("http://Alice"));
alice.addBinding("y", VF.createLiteral(BigInteger.valueOf(14)));
alice.addBinding("birthDate", VF.createLiteral("1983-03-17",VF.createIRI("http://www.w3.org/2001/XMLSchema#date")));
final QueryBindingSet bob = new QueryBindingSet();
bob.addBinding("x", VF.createIRI("http://Bob"));
bob.addBinding("y", VF.createLiteral(BigInteger.valueOf(16)));
bob.addBinding("birthDate", VF.createLiteral("1983-04-18",VF.createIRI("http://www.w3.org/2001/XMLSchema#date")));
final Set<BindingSet> fetchedResults = new HashSet<>();
while(results.hasNext()) {
final BindingSet next = results.next();
System.out.println(next);
fetchedResults.add(next);
}
Assert.assertEquals(Sets.<BindingSet>newHashSet(alice,bob), fetchedResults);
}
Example 15
| Source File: VarConstQueryVariableNormalizerTest.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void queryConstNodeSixMatch() throws Exception {
SPARQLParser parser1 = new SPARQLParser();
SPARQLParser parser2 = new SPARQLParser();
ParsedQuery pq1 = parser1.parseQuery(q9, null);
ParsedQuery pq2 = parser2.parseQuery(q18, null);
List<TupleExpr> normalize = QueryVariableNormalizer.getNormalizedIndex(pq1.getTupleExpr(),
pq2.getTupleExpr());
Assert.assertEquals(6, normalize.size());
//System.out.println("tuple expr is " +pq1.getTupleExpr() + " and normalized tuples are " + normalize);
for(TupleExpr te: normalize) {
Assert.assertTrue(isTupleSubset(pq1.getTupleExpr(), te));
}
}
Example 16
| Source File: IndexPlanValidatorTest.java From rya with Apache License 2.0 | 4 votes |
|
@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 17
| Source File: JoinSegmentPCJMatcherTest.java From rya with Apache License 2.0 | 4 votes |
|
@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 18
| Source File: VarConstantIndexListPrunerTest.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void testTwoIndexLargeQuery() throws Exception {
SPARQLParser parser = new SPARQLParser();
ParsedQuery pq1 = parser.parseQuery(q11, null);
ParsedQuery pq2 = parser.parseQuery(q7, null);
ParsedQuery pq3 = parser.parseQuery(q12, null);
ParsedQuery pq4 = parser.parseQuery(q13, null);
ParsedQuery pq5 = parser.parseQuery(q8, null);
ParsedQuery pq6 = parser.parseQuery(q14, null);
System.out.println("Query is " + pq1.getTupleExpr());
SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet(
(Projection) pq2.getTupleExpr());
SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(
(Projection) pq3.getTupleExpr());
SimpleExternalTupleSet extTup3 = new SimpleExternalTupleSet(
(Projection) pq4.getTupleExpr());
SimpleExternalTupleSet extTup4 = new SimpleExternalTupleSet(
(Projection) pq5.getTupleExpr());
SimpleExternalTupleSet extTup5 = new SimpleExternalTupleSet(
(Projection) pq6.getTupleExpr());
List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
list.add(extTup1);
list.add(extTup2);
list.add(extTup3);
list.add(extTup4);
list.add(extTup5);
VarConstantIndexListPruner vci = new VarConstantIndexListPruner(
pq1.getTupleExpr());
List<ExternalTupleSet> processedIndexSet = vci.getRelevantIndices(list);
System.out.println("Relevant indexes are: ");
for (ExternalTupleSet e : processedIndexSet) {
System.out.println(e);
}
Set<ExternalTupleSet> indexSet = Sets.newHashSet();
indexSet.add(extTup1);
indexSet.add(extTup2);
indexSet.add(extTup4);
Assert.assertTrue(Sets.intersection(indexSet, Sets.newHashSet(processedIndexSet))
.equals(Sets.newHashSet(processedIndexSet)));
}
Example 19
| Source File: PrecompJoinOptimizerTest2.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void testFourIndexGeoFreeCompareFilterMix() throws Exception {
final SPARQLParser parser1 = new SPARQLParser();
final SPARQLParser parser2 = new SPARQLParser();
final SPARQLParser parser3 = new SPARQLParser();
final SPARQLParser parser4 = new SPARQLParser();
final SPARQLParser parser5 = new SPARQLParser();
final ParsedQuery pq1 = parser1.parseQuery(q27, null);
final ParsedQuery pq2 = parser2.parseQuery(q23, null);
final ParsedQuery pq3 = parser3.parseQuery(q26, null);
final ParsedQuery pq4 = parser4.parseQuery(q24, null);
final ParsedQuery pq5 = parser5.parseQuery(q28, null);
System.out.println("Query is " + pq1.getTupleExpr());
System.out.println("Indexes are " + pq2.getTupleExpr() + " , "
+ pq3.getTupleExpr() + " , " + pq4.getTupleExpr() + " and "
+ pq5.getTupleExpr());
final SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet(
new Projection(pq2.getTupleExpr()));
final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(
new Projection(pq3.getTupleExpr()));
final SimpleExternalTupleSet extTup3 = new SimpleExternalTupleSet(
new Projection(pq4.getTupleExpr()));
final SimpleExternalTupleSet extTup4 = new SimpleExternalTupleSet(
new Projection(pq5.getTupleExpr()));
final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
list.add(extTup4);
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 20
| Source File: PCJOptimizerTest.java From rya with Apache License 2.0 | 4 votes |
|
@Test
public void testSegmentWithUnion() throws Exception {
final String query1 = ""//
+ "SELECT ?e ?c ?l" //
+ "{" //
+ " {?e <uri:p1> <uri:o1>. } UNION { ?e a ?c. OPTIONAL {?e <uri:talksTo> ?l}. ?e <uri:p5> <uri:o4>. ?e <uri:p4> <uri:o3> } . "//
+ " ?e <uri:p2> ?c . "//
+ " ?e <uri:p3> <uri:o2> . "//
+ "}";//
final String query2 = ""//
+ "SELECT ?a ?b ?m" //
+ "{" //
+ " ?a <uri:p5> <uri:o4> ." //
+ " ?a <uri:p4> <uri:o3> ." //
+ " OPTIONAL {?a <uri:talksTo> ?m} . "//
+ " ?a a ?b . "//
+ "}";//
final String query3 = ""//
+ "SELECT ?h ?i" //
+ "{" //
+ " ?h <uri:p2> ?i . "//
+ " ?h <uri:p3> <uri:o2> . "//
+ "}";//
final SPARQLParser parser = new SPARQLParser();
final ParsedQuery pq1 = parser.parseQuery(query1, null);
final ParsedQuery pq2 = parser.parseQuery(query2, null);
final ParsedQuery pq3 = parser.parseQuery(query3, null);
final TupleExpr te1 = pq1.getTupleExpr();
final TupleExpr te2 = pq2.getTupleExpr();
final TupleExpr te3 = pq3.getTupleExpr();
final TupleExpr unOpt = te1.clone();
final List<QueryModelNode> remainingNodes = getNodes(te1);
final Set<QueryModelNode> unMatchedNodes = new HashSet<>();
unMatchedNodes.add(remainingNodes.get(0));
final SimpleExternalTupleSet pcj1 = new SimpleExternalTupleSet((Projection) te2);
final SimpleExternalTupleSet pcj2 = new SimpleExternalTupleSet((Projection) te3);
final List<ExternalTupleSet> externalList = new ArrayList<>();
externalList.add(pcj1);
externalList.add(pcj2);
provider.setIndices(externalList);
final PCJOptimizer optimizer = new PCJOptimizer(externalList, false, provider);
optimizer.optimize(te1, null, null);
Assert.assertEquals(true, validatePcj(te1, unOpt, externalList, unMatchedNodes));
}
