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LUCENE-3407: wrong stats from MemoryCodec when freqs are omitted 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1163213 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2011-08-30 13:58:06 +00:00
parent aefe15aad9
commit 7c92a0d48d
2 changed files with 23 additions and 2 deletions
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4
lucene/src/java/org/apache/lucene/index/codecs/memory/MemoryCodec.java
View File

@ -554,7 +554,7 @@ public class MemoryCodec extends Codec {
if (field.indexOptions != IndexOptions.DOCS_ONLY) {
totalTermFreq = docFreq + buffer.readVLong();
} else {
totalTermFreq = 0;
totalTermFreq = -1;
}
current.output.offset = buffer.getPosition();
if (VERBOSE) System.out.println(" df=" + docFreq + " totTF=" + totalTermFreq + " offset=" + buffer.getPosition() + " len=" + current.output.length);
@ -692,7 +692,7 @@ public class MemoryCodec extends Codec {
if (field.indexOptions != IndexOptions.DOCS_ONLY) {
sumTotalTermFreq = in.readVLong();
} else {
sumTotalTermFreq = 0;
sumTotalTermFreq = -1;
}
sumDocFreq = in.readVLong();

21
lucene/src/test/org/apache/lucene/index/TestOmitTf.java
View File

@ -428,4 +428,25 @@ public class TestOmitTf extends LuceneTestCase {
return true;
}
}
/** test that when freqs are omitted, that totalTermFreq and sumTotalTermFreq are -1 */
public void testStats() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter iw = new RandomIndexWriter(random, dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
FieldType ft = new FieldType(TextField.TYPE_UNSTORED);
ft.setIndexOptions(IndexOptions.DOCS_ONLY);
ft.freeze();
Field f = newField("foo", "bar", ft);
doc.add(f);
iw.addDocument(doc);
IndexReader ir = iw.getReader();
iw.close();
Terms terms = MultiFields.getTerms(ir, "foo");
assertEquals(-1, terms.totalTermFreq(new BytesRef("bar")));
assertEquals(-1, terms.getSumTotalTermFreq());
ir.close();
dir.close();
}
}