| package org.apache.rya.indexing.IndexPlanValidator; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import java.util.List; |
| |
| import org.eclipse.rdf4j.query.MalformedQueryException; |
| import org.eclipse.rdf4j.query.algebra.TupleExpr; |
| import org.eclipse.rdf4j.query.algebra.evaluation.impl.FilterOptimizer; |
| import org.eclipse.rdf4j.query.parser.ParsedQuery; |
| import org.eclipse.rdf4j.query.parser.sparql.SPARQLParser; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TupleReArrangerTest { |
| |
| @Test |
| public void tupleReArrangeTest1() throws MalformedQueryException { |
| |
| String queryString = ""// |
| + "SELECT ?a ?b ?c ?d ?e" // |
| + "{" // |
| + "{ ?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); |
| List<TupleExpr> tuples = TupleReArranger.getTupleReOrderings(pq.getTupleExpr()); |
| |
| Assert.assertEquals(4, tuples.size()); |
| |
| } |
| |
| |
| |
| @Test |
| public void tupleReArrangeTest2() throws MalformedQueryException { |
| |
| String queryString = ""// |
| + "SELECT ?a ?b ?c ?d ?e ?x ?y" // |
| + "{" // |
| + " ?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); |
| List<TupleExpr> tuples = TupleReArranger.getTupleReOrderings(pq.getTupleExpr()); |
| |
| |
| Assert.assertEquals(24, tuples.size()); |
| |
| } |
| |
| |
| |
| |
| |
| @Test |
| public void tupleReArrangeTest3() throws MalformedQueryException { |
| |
| String queryString = ""// |
| + "SELECT ?a ?b ?c ?d ?e ?x ?y" // |
| + "{" // |
| + " Filter(?c = <uri:label2>)" // |
| + " Filter(?x = <uri:somethingFunny>) "// |
| + " ?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); |
| List<TupleExpr> tuples = TupleReArranger.getTupleReOrderings(pq.getTupleExpr()); |
| |
| Assert.assertEquals(24, tuples.size()); |
| |
| } |
| |
| |
| |
| |
| |
| |
| |
| @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()); |
| |
| } |
| |
| |
| |
| |
| |
| |
| } |