复购率

SELECT *,
count(temp2.uid) as 复购人数
FROM(
SELECT m.*, temp.merchantId, temp.uid
FROM merchant m,(
SELECT order1.merchantId, order1.uid
FROM `order` order1
WHERE order1.uid IN(
SELECT DISTINCT(o.uid)
FROM `order` o
WHERE DATE(o.createDate)>= DATE('2015-10-06 00:00:00')
AND DATE(o.createDate)<= DATE('2015-10-13 23:59:59')
AND o. STATUS>= 3
AND o. STATUS<= 6
AND o.merchantId= order1.merchantId)
AND DATE(order1.createDate)>= date('2015-10-14 00:00:00')
AND DATE(order1.createDate)<= DATE('2015-10-21 23:59:59')
AND order1. STATUS>= 3
AND order1. STATUS<= 6) AS temp
WHERE temp.merchantId= m.id
GROUP BY temp.merchantId, temp.uid
HAVING count(*)>= 6) AS temp2
GROUP BY temp2.id
 
  
  计算的是一段时间的在后面一个时间段重复购买的人数（不重复）