case when出报表

case when 出报表,

表的状态为0为作废，1为待付款，2为已付款

 

SELECT a.id AS 序号，CASE
       WHEN a.status = 0 THEN '作废'
       WHEN a.status = 1 THEN '待付款'
        WHEN a.status = 2 THEN '已付款'
       END AS 状态
 FROM om_order a,pm_provider b,cum_cure_item c WHERE a.`provider_id` = b.id AND c.`appointment_time` BETWEEN '2015-03-01' AND '2015-03-31';