From ddc3fd8fd1641a3f5027eb0b24f03e96adffa613 Mon Sep 17 00:00:00 2001
From: jf-cbd <jf-cbd@users.noreply.github.com>
Date: Wed, 2 Sep 2026 11:45:50 +0200
Subject: [PATCH] =?UTF-8?q?N=C2=B07968=20-=20Renaming=20column=20can=20cau?=
 =?UTF-8?q?se=20problem=20when=20index=20exists,=20adding=20a=20fallback?=
 =?UTF-8?q?=20to=20the=20previous=20method=20in=20this=20specific=20case?=
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Content-Transfer-Encoding: 8bit

---
 setup/moduleinstaller.class.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup/moduleinstaller.class.inc.php b/setup/moduleinstaller.class.inc.php
index 5cdc5d0019..156e679021 100644
--- a/setup/moduleinstaller.class.inc.php
+++ b/setup/moduleinstaller.class.inc.php
@@ -241,7 +241,7 @@ abstract class ModuleInstallerAPI
 		}
 
 		// Simple rename
-		if ($sOrigTable === $sDstTable && !$bDstTableFieldExists) {
+		if ($sOrigTable === $sDstTable && !$bDstTableFieldExists && !CMDBSource::HasIndex($sOrigTable, $sOrigColumn)) {
 			$sFieldSpec = CMDBSource::GetFieldSpec($sOrigTable, $sOrigColumn);
 			$sQueryRename = /** @lang MariaDB */ "ALTER TABLE `{$sOrigTable}` CHANGE `{$sOrigColumn}` `{$sDstColumn}` {$sFieldSpec};";
 			CMDBSource::Query($sQueryRename);