Examples with MatchNoDocsQuery org.apache.lucene.search.MatchNoDocsQuery used on opensource projects

Example 21 with MatchNoDocsQuery

use of org.apache.lucene.search.MatchNoDocsQuery in project lucene-solr by apache.

the class BoostingQueryTest method testRewrite.

public void testRewrite() throws IOException {
    IndexReader reader = new MultiReader();
    BoostingQuery q = new BoostingQuery(new BooleanQuery.Builder().build(), new MatchAllDocsQuery(), 3);
    Query rewritten = new IndexSearcher(reader).rewrite(q);
    Query expectedRewritten = new BoostingQuery(new MatchNoDocsQuery(), new MatchAllDocsQuery(), 3);
    assertEquals(expectedRewritten, rewritten);
    assertSame(rewritten, rewritten.rewrite(reader));
}

Example 22 with MatchNoDocsQuery

use of org.apache.lucene.search.MatchNoDocsQuery in project lucene-solr by apache.

the class TestJoinUtil method testRewrite.

public void testRewrite() throws IOException {
    Directory dir = newDirectory();
    RandomIndexWriter w = new RandomIndexWriter(random(), dir);
    Document doc = new Document();
    doc.add(new SortedDocValuesField("join_field", new BytesRef("abc")));
    w.addDocument(doc);
    doc = new Document();
    doc.add(new SortedDocValuesField("join_field", new BytesRef("abd")));
    w.addDocument(doc);
    IndexReader reader = w.getReader();
    IndexSearcher searcher = newSearcher(reader);
    OrdinalMap ordMap = OrdinalMap.build(null, new SortedDocValues[0], 0f);
    Query joinQuery = JoinUtil.createJoinQuery("join_field", new MatchNoDocsQuery(), new MatchNoDocsQuery(), searcher, RandomPicks.randomFrom(random(), ScoreMode.values()), ordMap, 0, Integer.MAX_VALUE);
    // no exception due to missing rewrites
    searcher.search(joinQuery, 1);
    reader.close();
    w.close();
    dir.close();
}

Example 23 with MatchNoDocsQuery

use of org.apache.lucene.search.MatchNoDocsQuery in project lucene-solr by apache.

the class TestQueryBitSetProducer method testSimple.

public void testSimple() throws Exception {
    Directory dir = newDirectory();
    IndexWriterConfig iwc = newIndexWriterConfig().setMergePolicy(NoMergePolicy.INSTANCE);
    RandomIndexWriter w = new RandomIndexWriter(random(), dir, iwc);
    w.addDocument(new Document());
    DirectoryReader reader = w.getReader();
    QueryBitSetProducer producer = new QueryBitSetProducer(new MatchNoDocsQuery());
    assertNull(producer.getBitSet(reader.leaves().get(0)));
    assertEquals(1, producer.cache.size());
    producer = new QueryBitSetProducer(new MatchAllDocsQuery());
    BitSet bitSet = producer.getBitSet(reader.leaves().get(0));
    assertEquals(1, bitSet.length());
    assertEquals(true, bitSet.get(0));
    assertEquals(1, producer.cache.size());
    IOUtils.close(reader, w, dir);
}

Example 24 with MatchNoDocsQuery

use of org.apache.lucene.search.MatchNoDocsQuery in project lucene-solr by apache.

the class TestQPHelper method testStopwords.

public void testStopwords() throws Exception {
    StandardQueryParser qp = new StandardQueryParser();
    CharacterRunAutomaton stopSet = new CharacterRunAutomaton(new RegExp("the|foo").toAutomaton());
    qp.setAnalyzer(new MockAnalyzer(random(), MockTokenizer.SIMPLE, true, stopSet));
    Query result = qp.parse("a:the OR a:foo", "a");
    assertNotNull("result is null and it shouldn't be", result);
    assertTrue("result is not a MatchNoDocsQuery", result instanceof MatchNoDocsQuery);
    result = qp.parse("a:woo OR a:the", "a");
    assertNotNull("result is null and it shouldn't be", result);
    assertTrue("result is not a TermQuery", result instanceof TermQuery);
    result = qp.parse("(fieldX:xxxxx OR fieldy:xxxxxxxx)^2 AND (fieldx:the OR fieldy:foo)", "a");
    Query expected = new BooleanQuery.Builder().add(new TermQuery(new Term("fieldX", "xxxxx")), Occur.SHOULD).add(new TermQuery(new Term("fieldy", "xxxxxxxx")), Occur.SHOULD).build();
    expected = new BoostQuery(expected, 2f);
    assertEquals(expected, result);
}

Example 25 with MatchNoDocsQuery

use of org.apache.lucene.search.MatchNoDocsQuery in project lucene-solr by apache.

the class TestMultiFieldQPHelper method testStaticMethod1.

public void testStaticMethod1() throws QueryNodeException {
    String[] fields = { "b", "t" };
    String[] queries = { "one", "two" };
    Query q = QueryParserUtil.parse(queries, fields, new MockAnalyzer(random()));
    assertEquals("b:one t:two", q.toString());
    String[] queries2 = { "+one", "+two" };
    q = QueryParserUtil.parse(queries2, fields, new MockAnalyzer(random()));
    assertEquals("b:one t:two", q.toString());
    String[] queries3 = { "one", "+two" };
    q = QueryParserUtil.parse(queries3, fields, new MockAnalyzer(random()));
    assertEquals("b:one t:two", q.toString());
    String[] queries4 = { "one +more", "+two" };
    q = QueryParserUtil.parse(queries4, fields, new MockAnalyzer(random()));
    assertEquals("(b:one +b:more) t:two", q.toString());
    String[] queries5 = { "blah" };
    // expected exception, array length differs
    expectThrows(IllegalArgumentException.class, () -> {
        QueryParserUtil.parse(queries5, fields, new MockAnalyzer(random()));
    });
    // check also with stop words for this static form (qtxts[], fields[]).
    TestQPHelper.QPTestAnalyzer stopA = new TestQPHelper.QPTestAnalyzer();
    String[] queries6 = { "((+stop))", "+((stop))" };
    q = QueryParserUtil.parse(queries6, fields, stopA);
    assertEquals("MatchNoDocsQuery(\"\") MatchNoDocsQuery(\"\")", q.toString());
    //assertEquals(" ", q.toString());
    String[] queries7 = { "one ((+stop)) +more", "+((stop)) +two" };
    q = QueryParserUtil.parse(queries7, fields, stopA);
    assertEquals("(b:one +b:more) (+t:two)", q.toString());
}