From 88307edc9a0df970d6533a681448ed02e40895ce Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Thu, 13 Nov 2025 03:09:48 +0000
Subject: [PATCH] fix: Make migration for IssueNumber column idempotent in
 MagazineIssues table

---
 .../20200808135203_AddMagazineIssueNumber.cs  | 36 ++++++++++++++++---
 1 file changed, 31 insertions(+), 5 deletions(-)

diff --git a/Marechai.Database/Migrations/20200808135203_AddMagazineIssueNumber.cs b/Marechai.Database/Migrations/20200808135203_AddMagazineIssueNumber.cs
index 685190e4..2ce2a84e 100644
--- a/Marechai.Database/Migrations/20200808135203_AddMagazineIssueNumber.cs
+++ b/Marechai.Database/Migrations/20200808135203_AddMagazineIssueNumber.cs
@@ -1,13 +1,39 @@
-using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations;
 
 namespace Marechai.Database.Migrations
 {
     public partial class AddMagazineIssueNumber : Migration
     {
-        protected override void Up(MigrationBuilder migrationBuilder) =>
-            migrationBuilder.AddColumn<uint>("IssueNumber", "MagazineIssues", nullable: true);
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // Check if the column already exists before adding it (idempotent)
+            migrationBuilder.Sql(@"
+                IF NOT EXISTS (
+                    SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS 
+                    WHERE TABLE_SCHEMA = DATABASE() 
+                    AND TABLE_NAME = 'MagazineIssues'
+                    AND COLUMN_NAME = 'IssueNumber'
+                )
+                THEN
+                    ALTER TABLE `MagazineIssues` ADD `IssueNumber` int unsigned NULL;
+                END IF;
+            ");
+        }
 
-        protected override void Down(MigrationBuilder migrationBuilder) =>
-            migrationBuilder.DropColumn("IssueNumber", "MagazineIssues");
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            // Check if the column exists before dropping it (idempotent)
+            migrationBuilder.Sql(@"
+                IF EXISTS (
+                    SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS 
+                    WHERE TABLE_SCHEMA = DATABASE() 
+                    AND TABLE_NAME = 'MagazineIssues'
+                    AND COLUMN_NAME = 'IssueNumber'
+                )
+                THEN
+                    ALTER TABLE `MagazineIssues` DROP COLUMN `IssueNumber`;
+                END IF;
+            ");
+        }
     }
 }
\ No newline at end of file