-- 为 lottery_draws 表添加奖池字段
ALTER TABLE `lottery_draws` 
ADD COLUMN `prizePool` BIGINT DEFAULT 0 COMMENT '奖池' AFTER `blueBall`;

-- 为 dlt_draw_record 表添加奖池字段
ALTER TABLE `dlt_draw_record` 
ADD COLUMN `prizePool` BIGINT DEFAULT 0 COMMENT '奖池' AFTER `backBall2`;

-- 验证字段是否添加成功
-- SELECT * FROM lottery_draws LIMIT 1;
-- SELECT * FROM dlt_draw_record LIMIT 1;