SELECT *, CASE
WHEN paydatefinal IS NULL OR paydatefinal = '0000-00-00' THEN paydate
ELSE paydatefinal END AS `paydatefinColumn`
FROM
`ws_crm_comenzi`
WHERE
`sezonId` = '4'
AND `service_id` = '1'
AND `finished` = '1'
AND `paydatefinColumn`='2016-09-26'
ORDER BY `paydatefinColumn` DESC
我怎样才能使一个并从塔(paydatefinColumn)是在的情况下,但在表中进行此列dose't存在MySQL查询案件
你不能......你必须重复相关的代码。 – scaisEdge
你是什么意思 –