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LUCENE-8055: MemoryIndex.MemoryDocValuesIterator returns 2 documents instead of 1 

Fixes a bug if there is a DV field in the MemoryIndex the
`MemoryIndex.MemoryDocValuesIterator` will return 2 documents instead of 1.
This commit is contained in:
Simon Willnauer 2017-11-21 14:22:31 +01:00
parent 26398d2dc9
commit a14972d7ae
3 changed files with 12 additions and 1 deletions
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5
lucene/CHANGES.txt
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@ -114,6 +114,11 @@ Tests
======================= Lucene 7.1.1 =======================
Bug Fixes
* LUCENE-8055: MemoryIndex.MemoryDocValuesIterator returns 2 documents
instead of 1. (Simon Willnauer)
Build
* LUCENE-6144: Upgrade Ivy to 2.4.0; 'ant ivy-bootstrap' now removes old Ivy

2
lucene/memory/src/java/org/apache/lucene/index/memory/MemoryIndex.java
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@ -929,7 +929,7 @@ public class MemoryIndex {
}
int docId() {
return doc > 1 ? NumericDocValues.NO_MORE_DOCS : doc;
return doc > 0 ? NumericDocValues.NO_MORE_DOCS : doc;
}
}

6
lucene/memory/src/test/org/apache/lucene/index/memory/TestMemoryIndex.java
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@ -59,6 +59,7 @@ import org.apache.lucene.index.SortedSetDocValues;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.TermsEnum;
import org.apache.lucene.search.CollectionStatistics;
import org.apache.lucene.search.DocIdSetIterator;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.PhraseQuery;
@ -274,6 +275,7 @@ public class TestMemoryIndex extends LuceneTestCase {
NumericDocValues numericDocValues = leafReader.getNumericDocValues("numeric");
assertEquals(0, numericDocValues.nextDoc());
assertEquals(29L, numericDocValues.longValue());
assertEquals(DocIdSetIterator.NO_MORE_DOCS, numericDocValues.nextDoc());
SortedNumericDocValues sortedNumericDocValues = leafReader.getSortedNumericDocValues("sorted_numeric");
assertEquals(0, sortedNumericDocValues.nextDoc());
assertEquals(5, sortedNumericDocValues.docValueCount());
@ -282,14 +284,17 @@ public class TestMemoryIndex extends LuceneTestCase {
assertEquals(32L, sortedNumericDocValues.nextValue());
assertEquals(32L, sortedNumericDocValues.nextValue());
assertEquals(33L, sortedNumericDocValues.nextValue());
assertEquals(DocIdSetIterator.NO_MORE_DOCS, sortedNumericDocValues.nextDoc());
BinaryDocValues binaryDocValues = leafReader.getBinaryDocValues("binary");
assertEquals(0, binaryDocValues.nextDoc());
assertEquals("a", binaryDocValues.binaryValue().utf8ToString());
assertEquals(DocIdSetIterator.NO_MORE_DOCS, binaryDocValues.nextDoc());
SortedDocValues sortedDocValues = leafReader.getSortedDocValues("sorted");
assertEquals(0, sortedDocValues.nextDoc());
assertEquals("b", sortedDocValues.binaryValue().utf8ToString());
assertEquals(0, sortedDocValues.ordValue());
assertEquals("b", sortedDocValues.lookupOrd(0).utf8ToString());
assertEquals(DocIdSetIterator.NO_MORE_DOCS, sortedDocValues.nextDoc());
SortedSetDocValues sortedSetDocValues = leafReader.getSortedSetDocValues("sorted_set");
assertEquals(3, sortedSetDocValues.getValueCount());
assertEquals(0, sortedSetDocValues.nextDoc());
@ -300,6 +305,7 @@ public class TestMemoryIndex extends LuceneTestCase {
assertEquals("c", sortedSetDocValues.lookupOrd(0L).utf8ToString());
assertEquals("d", sortedSetDocValues.lookupOrd(1L).utf8ToString());
assertEquals("f", sortedSetDocValues.lookupOrd(2L).utf8ToString());
assertEquals(DocIdSetIterator.NO_MORE_DOCS, sortedDocValues.nextDoc());
}
public void testDocValues_resetIterator() throws Exception {