/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2013. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.bigdata.rdf.sparql.ast.eval;
import java.util.List;
import java.util.Properties;
import junit.framework.Test;
import junit.framework.TestSuite;
import com.bigdata.bop.BOp;
import com.bigdata.bop.BOpUtility;
import com.bigdata.bop.Constant;
import com.bigdata.bop.Var;
import com.bigdata.rdf.internal.impl.TermId;
import com.bigdata.rdf.spo.SPOPredicate;
import com.bigdata.rdf.store.AbstractTripleStore;
/**
* SPARQL level test suite for the {@link ASTSimpleBindingsOptimizer}.
*
* @see <a href="http://trac.blazegraph.com/ticket/653">Slow query with bind</a>
*
* @author <a href="mailto:ms@metaphacts.com">Michael Schmidt</a>
*/
public class TestSimpleBindingsOptimizer extends
AbstractDataDrivenSPARQLTestCase {
public TestSimpleBindingsOptimizer() {
}
public TestSimpleBindingsOptimizer(String name) {
super(name);
}
public static Test suite()
{
final TestSuite suite = new TestSuite(TestSimpleBindingsOptimizer.class.getSimpleName());
suite.addTestSuite(TestQuadsModeAPs.class);
suite.addTestSuite(TestTriplesModeAPs.class);
return suite;
}
/**
* Triples mode test suite.
*/
public static class TestTriplesModeAPs extends TestSimpleBindingsOptimizer {
@Override
public Properties getProperties() {
final Properties properties = new Properties(super.getProperties());
// turn off quads.
properties.setProperty(AbstractTripleStore.Options.QUADS, "false");
// turn on triples
properties.setProperty(AbstractTripleStore.Options.TRIPLES_MODE,
"true");
return properties;
}
/**
* <pre>
* SELECT * WHERE {
* BIND ( <http://bigdata.com#Person> as ?type )
* ?personId rdf:type ?type
* }
* </pre>
*/
public void test_simpleBindingsOptimizer_triples_01() throws Exception {
final TestHelper h = new TestHelper(
"simpleBindingsOptimizer_triples_01", // testURI,
"simpleBindingsOptimizer_01.rq",// queryFileURL
"simpleBindingsOptimizer_01.ttl",// dataFileURL
"simpleBindingsOptimizer_01.srx"// resultFileURL
);
h.runTest();
List<SPOPredicate> spoPredicates =
BOpUtility.toList(
h.getASTContainer().getQueryPlan(), SPOPredicate.class);
assertEquals(1,spoPredicates.size());
assertPredicateUsesConstant_01(spoPredicates.get(0));
}
/**
* Complex patterns like
* <pre>
* SELECT * WHERE {
* BIND ( 2*?val as ?doubleVal )
* :Datapoint :value ?val
* }
*
* cannot be replaced, as they're evaluated at runtime.
* </pre>
*/
public void test_simpleBindingsOptimizer_triples_02() throws Exception {
final TestHelper h = new TestHelper(
"simpleBindingsOptimizer_triples_02", // testURI,
"simpleBindingsOptimizer_02.rq",// queryFileURL
"simpleBindingsOptimizer_02.ttl",// dataFileURL
"simpleBindingsOptimizer_02.srx"// resultFileURL
);
h.runTest();
List<SPOPredicate> spoPredicates = BOpUtility.toList(h
.getASTContainer().getQueryPlan(), SPOPredicate.class);
assertEquals(1, spoPredicates.size());
BOp var = spoPredicates.get(0).get(2);
assertTrue(var instanceof Var);
}
}
public static class TestQuadsModeAPs extends TestSimpleBindingsOptimizer {
/**
* <pre>
* SELECT * WHERE {
* BIND ( <http://bigdata.com#Person> as ?type )
* ?personId rdf:type ?type
* }
* </pre>
*/
public void test_simpleBindingsOptimizer_quads_01() throws Exception {
final TestHelper h = new TestHelper(
"test_simpleBindingsOptimizer_quads_01", // testURI,
"simpleBindingsOptimizer_01.rq",// queryFileURL
"simpleBindingsOptimizer_01.trig",// dataFileURL
"simpleBindingsOptimizer_01.srx"// resultFileURL
);
h.runTest();
List<SPOPredicate> spoPredicates =
BOpUtility.toList(
h.getASTContainer().getQueryPlan(), SPOPredicate.class);
assertEquals(1,spoPredicates.size());
assertPredicateUsesConstant_01(spoPredicates.get(0));
}
}
/**
* Make sure the passed predicate uses constant http://bigdata.com#Person
* in its third position (with shadowed variable ?type)
*/
public void assertPredicateUsesConstant_01(SPOPredicate pred) {
Constant c = (Constant)pred.get(2);
TermId tId = (TermId)c.get();
assertEquals("type",c.getVar().getName());
assertEquals("http://bigdata.com#Person", tId.getValue().toString());
}
/**
* Complex patterns like
* <pre>
* SELECT * WHERE {
* BIND ( 2*?val as ?doubleVal )
* :Datapoint :value ?val
* }
*
* cannot be replaced, as they're evaluated at runtime.
* </pre>
*/
public void test_simpleBindingsOptimizer_triples_02() throws Exception {
final TestHelper h = new TestHelper(
"simpleBindingsOptimizer_triples_02", // testURI,
"simpleBindingsOptimizer_02.rq",// queryFileURL
"simpleBindingsOptimizer_02.trig",// dataFileURL
"simpleBindingsOptimizer_02.srx"// resultFileURL
);
h.runTest();
List<SPOPredicate> spoPredicates = BOpUtility.toList(h
.getASTContainer().getQueryPlan(), SPOPredicate.class);
assertEquals(1, spoPredicates.size());
BOp var = spoPredicates.get(0).get(2);
assertTrue(var instanceof Var);
}
}