MFTs and MAUs from a coupon - Rahil

set @startdate1 = '2020-01-01';
set @startdate2 = '2020-12-01';
Select Weekofyear(I.return_date) as week,
count(distinct case when I.mft = 1 then I.mid end) as MFTs,
count(distinct case when I.mft = 0 then I.mid end) as MAUs
from
(select A.return_date as return_date, A.rid2 as rid,A.mid as mid, A.dur as dur, A.policy_id,
A.codes as codes, if(rid2=firstRes,1,0) as mft from
(select
distinct r.id as rid2, r.member_id as mid,  c.code as codes,c.coupon_policy_id as policy_id,
ifnull((select min(id) from reservations where state='completed' and r.member_id=member_id group by member_id),0) as firstRes,
round(sum(timestampdiff(minute, r.start_at, r.end_at)/60),2) as dur,
Date(r.return_at + interval '8' hour) as return_Date
from reservations r left join members m on r.member_id = m.id
left join coupons c on c.reservation_id = r.id
where r.state in ('completed','inUse','reserved')
and r.return_at + interval 8 hour >= @startdate1
and r.return_at + interval 8 hour <= @startdate2
and m.imaginary in ('sofam', 'normal')
and r.member_id not in ('125', '127')
group by rid2) A
where A.policy_id in ('890')
group by 2
order by 1 asc) I
group by 1  ;