From 5f4872152da885e5b6d1825a1f7a6ac0618eb1fa Mon Sep 17 00:00:00 2001
From: Michael McCandless <mikemccand@apache.org>
Date: Sat, 13 Nov 2010 14:23:53 +0000
Subject: [PATCH] don't mark merged reader with 'hasChanges' if delCount == 0

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1034763 13f79535-47bb-0310-9956-ffa450edef68
---
 lucene/src/java/org/apache/lucene/index/IndexWriter.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lucene/src/java/org/apache/lucene/index/IndexWriter.java b/lucene/src/java/org/apache/lucene/index/IndexWriter.java
index 75a997cffb3..909318ef899 100644
--- a/lucene/src/java/org/apache/lucene/index/IndexWriter.java
+++ b/lucene/src/java/org/apache/lucene/index/IndexWriter.java
@@ -3549,7 +3549,7 @@ public class IndexWriter implements Closeable {
 
     assert mergeReader.numDeletedDocs() == delCount;
 
-    mergeReader.hasChanges = delCount >= 0;
+    mergeReader.hasChanges = delCount > 0;
   }
 
   /* FIXME if we want to support non-contiguous segment merges */