-- 创单后置步骤表：与订单同一事务写入，提交后由后台执行。
-- 可重复执行。不建唯一索引。

SET @db := DATABASE();

SET @exists := (
  SELECT COUNT(1)
  FROM information_schema.TABLES
  WHERE TABLE_SCHEMA = @db
    AND TABLE_NAME = 't_order_side_effect'
);

SET @sql := IF(
  @exists = 0,
  'CREATE TABLE `t_order_side_effect` (
    `Id` INT NOT NULL AUTO_INCREMENT COMMENT ''主键'',
    `OrderId` INT NOT NULL COMMENT ''订单 Id'',
    `Step` VARCHAR(64) NOT NULL COMMENT ''步骤：customs-9610/forecast-billing/track-upsert 等'',
    `Status` VARCHAR(32) NOT NULL DEFAULT ''pending'' COMMENT ''pending/running/done/failed'',
    `PayloadJson` TEXT NULL COMMENT ''步骤入参，含轨迹授权头，日志中不要打印全文'',
    `AttemptCount` INT NOT NULL DEFAULT 0 COMMENT ''已尝试次数'',
    `NextRunTime` DATETIME NULL COMMENT ''下次可执行时间'',
    `LastError` VARCHAR(512) NULL COMMENT ''最近一次失败原因'',
    `IsDeleted` TINYINT NOT NULL DEFAULT 0 COMMENT ''软删除：0-否，1-是'',
    `ConcurrencyStamp` CHAR(36) NOT NULL DEFAULT (UUID()) COMMENT ''并发戳'',
    `CreateUserId` INT NOT NULL DEFAULT 0 COMMENT ''创建人'',
    `CreateTime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT ''创建时间'',
    `UpdateUserId` INT NULL COMMENT ''更新人'',
    `UpdateTime` DATETIME NULL COMMENT ''更新时间'',
    PRIMARY KEY (`Id`),
    KEY `idx_order_side_effect_due` (`Status`, `NextRunTime`),
    KEY `idx_order_side_effect_order` (`OrderId`, `Step`)
  ) COMMENT=''创单后置步骤''',
  'SELECT ''t_order_side_effect already exists'' AS info'
);

PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;