摘要:
数据量 大概 10W explain select count(*) from predictions where predictions.deleted_at is null and (in_time between '2022-09-01' and '2022-09-13')上面的走索引 大概3 阅读全文
摘要:
Order 设置成 o 这样 deleted_at 就不会报错了 $res = (new Order()) ->setTable('o') ->from( 'orders as o' ) ->leftJoin( 'users as u', 'o.user_id', '=', 'u.id' ) ->s 阅读全文