37 lines
1.2 KiB
PHP
37 lines
1.2 KiB
PHP
<?php
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use Illuminate\Database\Migrations\Migration;
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use Illuminate\Database\Schema\Blueprint;
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use Illuminate\Support\Facades\Schema;
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return new class extends Migration
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{
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/**
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* Run the migrations.
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* 小程序购物车（门店订货车）：按门店归属，同商品唯一行、加购合并累加
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*/
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public function up(): void
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{
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if (! Schema::hasTable('cart')) {
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Schema::create('cart', function (Blueprint $table) {
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$table->increments('id')->comment('购物车项ID');
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$table->integer('store_id')->comment('门店ID（购物车归属者）');
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$table->integer('product_id')->comment('商品ID');
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$table->decimal('quantity', 10, 2)->default(0)->comment('订货量');
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$table->timestamps();
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$table->unique(['store_id', 'product_id'], 'cart_store_product_unique');
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$table->index(['store_id', 'created_at'], 'cart_store_created_index');
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$table->comment('小程序购物车表（门店订货车）');
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});
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}
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}
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/**
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* Reverse the migrations.
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*/
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public function down(): void
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{
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Schema::dropIfExists('cart');
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}
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};
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