[jira] [Created] (LUCENE-10623) Error implementation of docValueCount for SortingSortedSetDocValues

[Lu Xugang (Jira)]

Lu Xugang created LUCENE-10623:
----------------------------------

             Summary: Error implementation of docValueCount for 
SortingSortedSetDocValues
                 Key: LUCENE-10623
                 URL: https://issues.apache.org/jira/browse/LUCENE-10623
             Project: Lucene - Core
          Issue Type: Bug
            Reporter: Lu Xugang


Test failed below：

 
{code:java}
 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);
  }
{code}


 



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