From 027bf2195f1d0f35a7db4469d9a9eaf0bc9ea725 Mon Sep 17 00:00:00 2001
From: Ollie <oliver.hyde@wikimedia.de>
Date: Sun, 20 Sep 2026 11:36:02 +0100
Subject: [PATCH] Update primary key column type for the `users` table

Requires updating the `user_id` foreign key column in the `policy_acceptances` table.
---
 ...1_update_users_primary_key_column_type.php | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 database/migrations/2026_09_14_000001_update_users_primary_key_column_type.php

diff --git a/database/migrations/2026_09_14_000001_update_users_primary_key_column_type.php b/database/migrations/2026_09_14_000001_update_users_primary_key_column_type.php
new file mode 100644
index 00000000..01e483da
--- /dev/null
+++ b/database/migrations/2026_09_14_000001_update_users_primary_key_column_type.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class() extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void {
+        // DROP EXISTING FOREIGN KEY CONSTRAINTS
+        Schema::table('policy_acceptances', function (Blueprint $table) {
+            $table->dropForeign(['user_id']);
+        });
+
+        // UPDATE PRIMARY KEY COLUMN TYPE
+        Schema::table('users', function (Blueprint $table) {
+            // `->id()` is an alias for `->bigIncrements('id')`
+            // https://laravel.com/framework/docs/11.x/migrations#column-method-id
+            $table->id()->change();
+        });
+
+        // UPDATE FOREIGN KEY COLUMN TYPE AND RECREATE DROPPED CONSTRAINTS
+        Schema::table('policy_acceptances', function (Blueprint $table) {
+            $table->foreignId('user_id')->change()
+                ->constrained()
+                ->restrictOnUpdate()
+                ->restrictOnDelete();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void {
+        //  DROP EXISTING FOREIGN KEY CONSTRAINTS
+        Schema::table('policy_acceptances', function (Blueprint $table) {
+            $table->dropForeign(['user_id']);
+        });
+
+        // REVERSE PRIMARY KEY COLUMN TYPE CHANGE
+        Schema::table('users', function (Blueprint $table) {
+            $table->increments('id')->change();
+        });
+
+        // REVERSE FOREIGN KEY COLUMN TYPE CHANGE AND RECREATE DROPPED CONSTRAINTS
+        Schema::table('policy_acceptances', function (Blueprint $table) {
+            $table->unsignedInteger('user_id')->change();
+            $table->foreign('user_id')->references('id')->on('users')
+                ->restrictOnUpdate()
+                ->restrictOnDelete();
+        });
+    }
+};