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LUCENE-1255: revert this change (allow pos=-1 again) since it's not backwards compatible 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@652116 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael McCandless 2008-04-29 21:01:55 +00:00
parent aecd167b05
commit 8f1feaa484
3 changed files with 2 additions and 7 deletions
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4
src/java/org/apache/lucene/index/CheckIndex.java
View File

@ -104,7 +104,6 @@ public class CheckIndex {
String sFormat = "";
boolean skip = false;
boolean allowMinusOnePosition = true;
if (format == SegmentInfos.FORMAT)
sFormat = "FORMAT [Lucene Pre-2.1]";
@ -118,7 +117,6 @@ public class CheckIndex {
// LUCENE-1255: All versions before 2.3.2/2.4 were
// able to create position=-1 when the very first
// Token has positionIncrement 0
allowMinusOnePosition = false;
if (format == SegmentInfos.FORMAT_CHECKSUM)
sFormat = "FORMAT_CHECKSUM [Lucene 2.4]";
else if (format == SegmentInfos.FORMAT_DEL_COUNT)
@ -235,7 +233,7 @@ public class CheckIndex {
totPos += freq;
for(int j=0;j<freq;j++) {
final int pos = termPositions.nextPosition();
if (pos < -1 || (pos == -1 && !allowMinusOnePosition))
if (pos < -1)
throw new RuntimeException("term " + term + ": doc " + doc + ": pos " + pos + " is out of bounds");
if (pos < lastPos)
throw new RuntimeException("term " + term + ": doc " + doc + ": pos " + pos + " < lastPos " + lastPos);

3
src/java/org/apache/lucene/index/DocumentsWriterFieldData.java
View File

@ -243,9 +243,6 @@ final class DocumentsWriterFieldData implements Comparable {
Token token = stream.next(localToken);
if (token == null) break;
position += (token.getPositionIncrement() - 1);
// LUCENE-1255: don't allow negative position
if (position < 0)
position = 0;
addPosition(token);
if (++length >= maxFieldLength) {
if (threadState.docWriter.infoStream != null)

2
src/test/org/apache/lucene/index/TestIndexWriter.java
View File

@ -3596,7 +3596,7 @@ public class TestIndexWriter extends LuceneTestCase
TermPositions tps = s.getIndexReader().termPositions(new Term("field", "a"));
assertTrue(tps.next());
assertEquals(1, tps.freq());
assertEquals(0, tps.nextPosition());
assertEquals(-1, tps.nextPosition());
w.close();
assertTrue(_TestUtil.checkIndex(dir));