From 54f6748fd3bf2f3105c36414f42a3979580b1c6c Mon Sep 17 00:00:00 2001
From: Pranav C <pranavxc@gmail.com>
Date: Thu, 4 Jan 2024 13:19:21 +0000
Subject: [PATCH] refactor: block system column deletion

---
 packages/nocodb/src/services/columns.service.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/nocodb/src/services/columns.service.ts b/packages/nocodb/src/services/columns.service.ts
index a2dbb446a6..0c7f203cdd 100644
--- a/packages/nocodb/src/services/columns.service.ts
+++ b/packages/nocodb/src/services/columns.service.ts
@@ -2212,6 +2212,11 @@ export class ColumnsService {
       case UITypes.CreateTime:
       case UITypes.LastModifiedTime:
         {
+          if (column.system) {
+            NcError.badRequest(
+              `The column '${column.column_name}' is a system column and cannot be deleted.`,
+            );
+          }
           await Column.delete(param.columnId, ncMeta);
         }
         break;