From acedfc7c87f49a60b0ddae70a57bcdca0f28ecc1 Mon Sep 17 00:00:00 2001
From: Ansgar Becker <anse@heidisql.com>
Date: Mon, 17 Jun 2024 07:54:54 +0200
Subject: [PATCH] Table editor: disallow editing direction/collation of index
 node level

---
 source/table_editor.pas | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/source/table_editor.pas b/source/table_editor.pas
index ac61138f..54ca499e 100644
--- a/source/table_editor.pas
+++ b/source/table_editor.pas
@@ -2066,9 +2066,11 @@ begin
   VT := Sender as TVirtualStringtree;
   Allowed := False;
   if VT.GetNodeLevel(Node) = 0 then begin
-    // Disallow renaming primary key
-    if (Column <> 0) or (VT.Text[Node, 1] <> TTableKey.PRIMARY) then
+    // Disallow renaming primary key, and direction/collation of key node level
+    if (Column = 0) and (VT.Text[Node, 1] <> TTableKey.PRIMARY) then
       Allowed := True
+    else
+      Allowed := Column in [1,2,3];
   end else case Column of
     0: Allowed := True;
     1: begin