-- ============================================================================
--  优匠优服 · Phase 7 商家关联账号
--  主账号可绑定其他已注册用户，关联账号与主账号共享商家数据：
--  订单 / 账单 / 开票 / 批量下单归属统一按商家聚合
-- ============================================================================
SET NAMES utf8mb4;

CREATE TABLE IF NOT EXISTS `fa_merchant_member` (
  `id`          int(10) unsigned NOT NULL AUTO_INCREMENT,
  `merchant_id` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '商家ID',
  `user_id`     int(10) unsigned NOT NULL DEFAULT '0' COMMENT '关联用户ID',
  `remark`      varchar(50) NOT NULL DEFAULT '' COMMENT '备注/岗位',
  `createtime`  bigint(16) DEFAULT NULL,
  `updatetime`  bigint(16) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `user_id` (`user_id`),
  KEY `merchant_id` (`merchant_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='商家关联账号';

-- 回滚：DROP TABLE IF EXISTS `fa_merchant_member`;