From 32682a4137f9807ff2caa5f0211c44a6252e0d4e Mon Sep 17 00:00:00 2001
From: Nick Zeng <Nick.Zeng@wpic.co>
Date: Wed, 12 Nov 2025 12:46:44 +0800
Subject: [PATCH] add order items table

---
 ..._11_12_021228_create_order_items_table.php | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 backend/migrations/2025_11_12_021228_create_order_items_table.php

diff --git a/backend/migrations/2025_11_12_021228_create_order_items_table.php b/backend/migrations/2025_11_12_021228_create_order_items_table.php
new file mode 100644
index 0000000..cdc2028
--- /dev/null
+++ b/backend/migrations/2025_11_12_021228_create_order_items_table.php
@@ -0,0 +1,62 @@
+<?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::create('order_items', function (Blueprint $table) {
+            $table->bigIncrements('id')->comment('主键');
+            $table->integer('company_id')->comment('公司 ID 与 Tools 保持一致');
+            $table->integer('platform_id')->comment('平台 ID 与 Tools 保持一致');
+            $table->integer('store_id')->comment('店铺 ID 与 Tools 保持一致');
+            $table->integer('order_id')->comment('父订单 ID');
+            $table->text('platform_order_id')->comment('平台父订单 ID');
+            $table->text('sub_order_id')->nullable()->default(null)->comment('平台子订单 ID，部分平台有，如 Tmall');
+            $table->integer('sub_order_type_id')->nullable()->default(null)->comment('平台子订单 类型 id，标记字段');
+            $table->integer('product_id')->comment('商品 ID， 与 Tools 保持一致');
+            $table->string('platform_product_id')->comment('平台商品 ID， 与 Tools 保持一致');
+            $table->string('product_sku')->nullable()->default(null)->comment('商品 SKU 编码， 客户提供的内部商品编码');
+            $table->string('product_barcode')->nullable()->default(null)->comment('商品 条形码 GTIN 等');
+
+            $table->double('unit_price', 10, 2)->default(0)->comment('单件价格');
+            $table->integer('quantity')->default(0)->comment('商品子项总数量');
+            $table->double('discount', 10, 2)->default(0)->comment('订单子项总的折扣金额');
+            $table->double('total', 10, 2)->default(0)->comment('总金额 = 单价X数量 - 折扣');
+
+            $table->jsonb('ext')->nullable()->default(null)->comment('扩展字段');
+
+            $table->timestampsTz();
+
+            // 单字段索引
+            $table->index('company_id');
+            $table->index('platform_id');
+            $table->index('store_id');
+            $table->index('order_id');
+            $table->index('product_id');
+
+            // 复合索引：支持按店铺统计 SKU 和 barcode（包含 NULL 值，支持 IS NULL 和 IS NOT NULL 查询）
+            $table->index(['store_id', 'product_sku'], 'order_items_store_sku_idx');
+            $table->index(['store_id', 'product_barcode'], 'order_items_store_barcode_idx');
+
+            // GIN 索引需要使用原生 SQL
+        });
+
+        // 为 jsonb 字段创建 GIN 索引（PostgreSQL）
+        Schema::getConnection()->statement('CREATE INDEX order_items_ext_gin_idx ON order_items USING gin (ext)');
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('order_items');
+    }
+};