update order and order_item

backend/migrations/2025_12_12_130906_add_foreign_key_to_order_items_table.php

@@ -0,0 +1,31 @@
+<?php
+
+use Hyperf\Database\Schema\Schema;
+use Hyperf\Database\Schema\Blueprint;
+use Hyperf\Database\Migrations\Migration;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('order_items', function (Blueprint $table) {
+            $table->foreign('order_id')
+                ->references('id')
+                ->on('orders')
+                ->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('order_items', function (Blueprint $table) {
+            $table->dropForeign(['order_id']);
+        });
+    }
+};