<?php

use think\migration\Migrator;
use think\migration\db\Column;

class CreateShopGoodsSkuTable extends Migrator
{
    /**
     * Change Method.
     *
     * Write your reversible migrations using this method.
     *
     * More information on writing migrations is available here:
     * http://docs.phinx.org/en/latest/migrations.html#the-abstractmigration-class
     *
     * The following commands can be used in this method and Phinx will
     * automatically reverse them when rolling back:
     *
     *    createTable
     *    renameTable
     *    addColumn
     *    renameColumn
     *    addIndex
     *    addForeignKey
     *
     * Remember to call "create()" or "update()" and NOT "save()" when working
     * with the Table class.
     */
    public function change()
    {
        $table = $this->table('shop_goods_sku', array('id' => true, 'primary_key' => ['id'], 'engine' => 'InnoDB', 'comment' => '门店自提商品SKU表'));
        $table->addColumn('shop_id', 'integer', array('limit'  =>  11, 'signed' => false, 'default' => 0, 'comment' => '门店id'))
            ->addColumn('shop_goods_id', 'integer', array('limit'  =>  11, 'signed' => false, 'default' => 0, 'comment' => '门店商品id'))
            ->addColumn('goods_sku_id', 'string', array('limit'  =>  255, 'default' => '', 'comment' => '商品sku唯一标识 (由规格id组成)'))
            ->addColumn('goods_id', 'integer', array('limit'  =>  11, 'signed' => false, 'default' => 0, 'comment' => '商品id'))
            ->addColumn('stock_num', 'integer', array('limit'  =>  11, 'signed' => false, 'default' => 0, 'comment' => '当前库存数量'))
            ->addColumn('alarm_stock_num', 'integer', array('limit'  =>  11, 'signed' => false, 'default' => 0, 'comment' => '库存预警值'))
            ->addColumn('create_time', 'datetime', array('null' => true, 'comment' => '创建时间'))
            ->addColumn('update_time', 'datetime', array('null' => true, 'comment' => '更新时间'))
            ->create();
    }
}