/*
* 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.
*/
package org.apache.lucene.search;
import java.io.IOException;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.NumericDocValuesField;
import org.apache.lucene.document.SortedNumericDocValuesField;
import org.apache.lucene.document.StringField;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.LuceneTestCase;
public class TestFieldValueQuery extends LuceneTestCase {
public void testRandom() throws IOException {
final int iters = atLeast(10);
for (int iter = 0; iter < iters; ++iter) {
Directory dir = newDirectory();
RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
final int numDocs = atLeast(100);
for (int i = 0; i < numDocs; ++i) {
Document doc = new Document();
final boolean hasValue = random().nextBoolean();
if (hasValue) {
doc.add(new NumericDocValuesField("dv1", 1));
doc.add(new SortedNumericDocValuesField("dv2", 1));
doc.add(new SortedNumericDocValuesField("dv2", 2));
doc.add(new StringField("has_value", "yes", Store.NO));
}
doc.add(new StringField("f", random().nextBoolean() ? "yes" : "no", Store.NO));
iw.addDocument(doc);
}
if (random().nextBoolean()) {
iw.deleteDocuments(new TermQuery(new Term("f", "no")));
}
iw.commit();
final IndexReader reader = iw.getReader();
final IndexSearcher searcher = newSearcher(reader);
iw.close();
assertSameMatches(searcher, new TermQuery(new Term("has_value", "yes")), new FieldValueQuery("dv1"), false);
assertSameMatches(searcher, new TermQuery(new Term("has_value", "yes")), new FieldValueQuery("dv2"), false);
reader.close();
dir.close();
}
}
public void testApproximation() throws IOException {
final int iters = atLeast(10);
for (int iter = 0; iter < iters; ++iter) {
Directory dir = newDirectory();
RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
final int numDocs = atLeast(100);
for (int i = 0; i < numDocs; ++i) {
Document doc = new Document();
final boolean hasValue = random().nextBoolean();
if (hasValue) {
doc.add(new NumericDocValuesField("dv1", 1));
doc.add(new SortedNumericDocValuesField("dv2", 1));
doc.add(new SortedNumericDocValuesField("dv2", 2));
doc.add(new StringField("has_value", "yes", Store.NO));
}
doc.add(new StringField("f", random().nextBoolean() ? "yes" : "no", Store.NO));
iw.addDocument(doc);
}
if (random().nextBoolean()) {
iw.deleteDocuments(new TermQuery(new Term("f", "no")));
}
iw.commit();
final IndexReader reader = iw.getReader();
final IndexSearcher searcher = newSearcher(reader);
iw.close();
BooleanQuery.Builder ref = new BooleanQuery.Builder();
ref.add(new TermQuery(new Term("f", "yes")), Occur.MUST);
ref.add(new TermQuery(new Term("has_value", "yes")), Occur.FILTER);
BooleanQuery.Builder bq1 = new BooleanQuery.Builder();
bq1.add(new TermQuery(new Term("f", "yes")), Occur.MUST);
bq1.add(new FieldValueQuery("dv1"), Occur.FILTER);
assertSameMatches(searcher, ref.build(), bq1.build(), true);
BooleanQuery.Builder bq2 = new BooleanQuery.Builder();
bq2.add(new TermQuery(new Term("f", "yes")), Occur.MUST);
bq2.add(new FieldValueQuery("dv2"), Occur.FILTER);
assertSameMatches(searcher, ref.build(), bq2.build(), true);
reader.close();
dir.close();
}
}
public void testScore() throws IOException {
final int iters = atLeast(10);
for (int iter = 0; iter < iters; ++iter) {
Directory dir = newDirectory();
RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
final int numDocs = atLeast(100);
for (int i = 0; i < numDocs; ++i) {
Document doc = new Document();
final boolean hasValue = random().nextBoolean();
if (hasValue) {
doc.add(new NumericDocValuesField("dv1", 1));
doc.add(new SortedNumericDocValuesField("dv2", 1));
doc.add(new SortedNumericDocValuesField("dv2", 2));
doc.add(new StringField("has_value", "yes", Store.NO));
}
doc.add(new StringField("f", random().nextBoolean() ? "yes" : "no", Store.NO));
iw.addDocument(doc);
}
if (random().nextBoolean()) {
iw.deleteDocuments(new TermQuery(new Term("f", "no")));
}
iw.commit();
final IndexReader reader = iw.getReader();
final IndexSearcher searcher = newSearcher(reader);
iw.close();
final float boost = random().nextFloat() * 10;
final Query ref = new BoostQuery(new ConstantScoreQuery(new TermQuery(new Term("has_value", "yes"))), boost);
final Query q1 = new BoostQuery(new FieldValueQuery("dv1"), boost);
assertSameMatches(searcher, ref, q1, true);
final Query q2 = new BoostQuery(new FieldValueQuery("dv2"), boost);
assertSameMatches(searcher, ref, q2, true);
reader.close();
dir.close();
}
}
public void testMissingField() throws IOException {
Directory dir = newDirectory();
RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
iw.addDocument(new Document());
iw.commit();
final IndexReader reader = iw.getReader();
final IndexSearcher searcher = newSearcher(reader);
iw.close();
assertEquals(0, searcher.search(new FieldValueQuery("f"), 1).totalHits);
reader.close();
dir.close();
}
public void testAllDocsHaveField() throws IOException {
Directory dir = newDirectory();
RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new NumericDocValuesField("f", 1));
iw.addDocument(doc);
iw.commit();
final IndexReader reader = iw.getReader();
final IndexSearcher searcher = newSearcher(reader);
iw.close();
assertEquals(1, searcher.search(new FieldValueQuery("f"), 1).totalHits);
reader.close();
dir.close();
}
public void testFieldExistsButNoDocsHaveField() throws IOException {
Directory dir = newDirectory();
RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
// 1st segment has the field, but 2nd one does not
Document doc = new Document();
doc.add(new NumericDocValuesField("f", 1));
iw.addDocument(doc);
iw.commit();
iw.addDocument(new Document());
iw.commit();
final IndexReader reader = iw.getReader();
final IndexSearcher searcher = newSearcher(reader);
iw.close();
assertEquals(1, searcher.search(new FieldValueQuery("f"), 1).totalHits);
reader.close();
dir.close();
}
private void assertSameMatches(IndexSearcher searcher, Query q1, Query q2, boolean scores) throws IOException {
final int maxDoc = searcher.getIndexReader().maxDoc();
final TopDocs td1 = searcher.search(q1, maxDoc, scores ? Sort.RELEVANCE : Sort.INDEXORDER);
final TopDocs td2 = searcher.search(q2, maxDoc, scores ? Sort.RELEVANCE : Sort.INDEXORDER);
assertEquals(td1.totalHits, td2.totalHits);
for (int i = 0; i < td1.scoreDocs.length; ++i) {
assertEquals(td1.scoreDocs[i].doc, td2.scoreDocs[i].doc);
if (scores) {
assertEquals(td1.scoreDocs[i].score, td2.scoreDocs[i].score, 10e-7);
}
}
}
}