[LUCENE-10623] Error implementation of docValueCount for SortingSortedSetDocValues

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Lucene Fields: New
• Assignee: Lu Xugang
• Reporter: Lu Xugang
• Created: 19/Jun/22 11:14
• Updated: 28/Aug/22 16:42
• Resolved: 28/Jun/22 03:55

Description

Test failed below：

 

 public void testSortOnAddIndicesOrd() throws IOException {
    Directory tmpDir = newDirectory();
    Directory dir = newDirectory();
    IndexWriterConfig iwc = new IndexWriterConfig(new MockAnalyzer(random()));
    IndexWriter w = new IndexWriter(tmpDir, iwc);

    Document doc;
    doc = new Document();
    doc.add(new SortedSetDocValuesField("foo", new BytesRef("b")));
    w.addDocument(doc);

    doc.add(new SortedSetDocValuesField("foo", new BytesRef("a")));
    doc.add(new SortedSetDocValuesField("foo", new BytesRef("b")));
    doc.add(new SortedSetDocValuesField("foo", new BytesRef("b")));
    w.addDocument(doc);

    w.commit();

    Sort indexSort = new Sort(new SortedSetSortField("foo", false, SortedSetSelector.Type.MIN));
    try (DirectoryReader reader = DirectoryReader.open(tmpDir)) {
      for (LeafReaderContext ctx : reader.leaves()) {
        CodecReader wrap =
                SortingCodecReader.wrap(SlowCodecReaderWrapper.wrap(ctx.reader()), indexSort);
        assertTrue(wrap.toString(), wrap.toString().startsWith("SortingCodecReader("));
        SortingCodecReader sortingCodecReader = (SortingCodecReader) wrap;
        SortedSetDocValues sortedSetDocValues = sortingCodecReader.getDocValuesReader().getSortedSet(ctx.reader().getFieldInfos().fieldInfo("foo"));
        sortedSetDocValues.nextDoc();
        assertEquals(sortedSetDocValues.docValueCount(), 2);
        sortedSetDocValues.nextDoc();
        assertEquals(sortedSetDocValues.docValueCount(), 1);
        assertEquals(sortedSetDocValues.nextDoc(), DocIdSetIterator.NO_MORE_DOCS);
      }
    }
    IOUtils.close(w, dir, tmpDir);
  }

 

Issue Links

• links to: GitHub Pull Request #967