Question

我确信我认为这是可能的，但有没有办法合并这两个查询？

查询＃1：

select distinct 
    count(l.lease_id) as 'Count_Transactions_ALL', 
    sum(l.net_area) as 'Total_Area_ALL'
from
    lease_deal.lease l
where
    l.deal_approved_date >= @dateFrom   
    and l.deal_approved_date  <= @dateTo
    and l.lease_status in(@leaseStatus)

查询＃2：

select distinct 
    count(l.lease_id) as 'Count_Transactions_NEW', 
from
    lease_deal.lease l
where
    l.deal_approved_date >= @dateFrom   
    and l.deal_approved_date  <= @dateTo
    and l.lease_status in(@leaseStatus)
    and l.negotiation_type = 'NEW'

我想要的输出是：

Count_Transactions_ALL，Total_Area_All，Count_Transactions_NEW

x，y，z

Answer 1

尝试这样的事情：

select 
    count(l.lease_id) as 'Count_Transactions_ALL', 
    sum(l.net_area) as 'Total_Area_ALL',
    sum(case l.negotiation_type 
        when 'NEW' then 1 else 0 end) 
    as Count_Transactions_NEW
from
    lease_deal.lease l
where
    l.deal_approved_date >= @dateFrom   
    and l.deal_approved_date  <= @dateTo
    and l.lease_status in(@leaseStatus)

Answer 2

select distinct 
        count(l.lease_id) as 'Count_Transactions_ALL', 
        sum(l.net_area) as 'Total_Area_ALL', 
       sum( if(l.negotiation_type = 'NEW', 1, 0)) as 'Count_Transactions_New'
    from
        lease_deal.lease l
    where
        l.deal_approved_date >= @dateFrom   
        and l.deal_approved_date  <= @dateTo
        and l.lease_status in(@leaseStatus)

有没有办法合并这两个简单的查询

2 个答案: