我有这样的查询:
SELECT client_id,name, last_name, email, date_arrival,
DATE_SUB(now(),INTERVAL 6 DAY) as date6before FROM clients WHERE agent_id = 4
and date_arrival > date6before
我怎样才能做到这一点?
答案 0 :(得分:0)
试试这个:
SELECT temp.* FROM (SELECT client_id,name, last_name, email, date_arrival, DATE_SUB(now(),INTERVAL 6 DAY) as date6before FROM clients WHERE agent_id = 4 ) as temp WHERE temp.date_arrival > date6before
答案 1 :(得分:0)
您可以再次计算值:
SELECT client_id,name, last_name, email, date_arrival,
DATE_SUB(now(),INTERVAL 6 DAY) as date6before FROM clients WHERE agent_id = 4
and date_arrival > DATE_SUB(now(),INTERVAL 6 DAY)
或using having
条款
SELECT client_id,name, last_name, email, date_arrival,
DATE_SUB(now(),INTERVAL 6 DAY) as date6before FROM clients WHERE agent_id = 4
having date_arrival > date6before