From dfaab620c5d44a7682ff392dbc4cf36b8a50164d Mon Sep 17 00:00:00 2001
From: James Ahlborn <jtahlborn@yahoo.com>
Date: Mon, 28 Aug 2023 21:21:54 +0000
Subject: do not increment unique entry count when replacing an existing entry

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@1400 f203690c-595d-4dc9-a70b-905162fa7fd2
---
 src/main/java/com/healthmarketscience/jackcess/impl/IndexData.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/main/java/com/healthmarketscience/jackcess/impl/IndexData.java')

diff --git a/src/main/java/com/healthmarketscience/jackcess/impl/IndexData.java b/src/main/java/com/healthmarketscience/jackcess/impl/IndexData.java
index 1c430fc..c08e70b 100644
--- a/src/main/java/com/healthmarketscience/jackcess/impl/IndexData.java
+++ b/src/main/java/com/healthmarketscience/jackcess/impl/IndexData.java
@@ -685,7 +685,9 @@ public class IndexData {
   {
     if(newEntry != null) {
       dataPage.addEntry(idx, newEntry);
-      if(!isDupeEntry) {
+      // if we are adding a duplicate entry, or replacing an existing entry,
+      // then the unique entry count doesn't change
+      if(!isDupeEntry && (oldEntry == null)) {
         ++_uniqueEntryCount;
       }
       ++_modCount;
-- 
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