-- 客户账户资金流水
CREATE TABLE IF NOT EXISTS `t_customer_account_flow` (
  `Id` int NOT NULL AUTO_INCREMENT,
  `CustomerId` int NOT NULL COMMENT '客户 ID',
  `SerialNumber` varchar(64) NOT NULL COMMENT '流水号',
  `BizType` varchar(32) NOT NULL COMMENT '业务类型 recharge/orderPay',
  `BizId` int DEFAULT NULL COMMENT '关联业务主键',
  `BizNo` varchar(64) DEFAULT NULL COMMENT '关联业务单号',
  `Amount` decimal(18,2) NOT NULL COMMENT '变动金额，正入账负出账',
  `BalanceBefore` decimal(18,2) NOT NULL COMMENT '变动前余额',
  `BalanceAfter` decimal(18,2) NOT NULL COMMENT '变动后余额',
  `Currency` varchar(8) NOT NULL DEFAULT 'CNY' COMMENT '币种',
  `Remark` varchar(512) DEFAULT NULL COMMENT '备注',
  `IsDeleted` tinyint(1) NOT NULL DEFAULT '0',
  `ConcurrencyStamp` char(36) NOT NULL DEFAULT (UUID()) COMMENT '并发戳',
  `CreateUserId` int NOT NULL DEFAULT '0',
  `CreateTime` datetime NOT NULL,
  `UpdateUserId` int DEFAULT NULL,
  `UpdateTime` datetime DEFAULT NULL,
  PRIMARY KEY (`Id`),
  UNIQUE KEY `uk_customer_account_flow_serial` (`SerialNumber`),
  KEY `idx_customer_account_flow_customer_time` (`CustomerId`, `CreateTime`),
  KEY `idx_customer_account_flow_biz` (`BizType`, `BizId`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='客户账户资金流水';