查询以网站方式返回工作日的平均账单，也是时间方式。 以下查询使用多个联合我想在单个查询中组合所有 我怎么能这样做。
select
a.Month,
'Weekday' as Type,
'Lunch' as 'Sale',
sum(case
when a.siteId = '102' then a.AvgBill
else '--'
end) as '102',
sum(case
when a.siteId = '103' then a.AvgBill
else '--'
end) as '103',
sum(case
when a.siteId = '104' then a.AvgBill
else '--'
end) as '104',
sum(case
when a.siteId = '105' then a.AvgBill
else '--'
end) as '105',
sum(case
when a.siteId = '106' then a.AvgBill
else '--'
end) as '106'
from
(select
date_format(o.dayStatus, '%M') as Month,
c.companyId as CompanyId,
o.companyId as siteId,
o.bill,
round((sum(o.bill) / count(orderId)), 2) as AvgBill,
date_format(DTTM, '%a') as Day
from
orders o, mdm_sites s, mdm_company c
where
s.siteId = o.companyId
and o.isBilled = 1
and billMode = 0
and s.companyid = c.CompanyId
and time(DTTM) <= '15:00'
and date_format(DTTM, '%a') not in ('Sat' , 'Sun')
and year(o.dayStatus) = (2014)
and case
when 0 in (1) then c.companyId in (c.companyid)
else c.companyId in (1)
end
and case
when 0 in (0) then o.companyId in (o.companyId)
else o.companyId in (0)
end
and case
when 0 in (12) then month(o.dayStatus) in (month(o.dayStatus))
else month(o.dayStatus) in (12)
end
group by c.companyId , o.companyId) as a
group by a.CompanyId
union (select
a.Month,
'Weekday' as Type,
'Evening' as 'Sale',
sum(case
when a.siteId = '102' then a.AvgBill
else '--'
end) as '102',
sum(case
when a.siteId = '103' then a.AvgBill
else '--'
end) as '103',
sum(case
when a.siteId = '104' then a.AvgBill
else '--'
end) as '104',
sum(case
when a.siteId = '105' then a.AvgBill
else '--'
end) as '105',
sum(case
when a.siteId = '106' then a.AvgBill
else '--'
end) as '106'
from
(select
date_format(o.daystatus, '%M') as Month,
c.companyId as CompanyId,
o.companyId as siteId,
o.bill,
round((sum(o.bill) / count(orderId)), 2) as AvgBill,
date_format(DTTM, '%a') as Day
from
orders o, mdm_sites s, mdm_company c
where
s.siteId = o.companyId
and o.isBilled = 1
and billMode = 0
and s.companyid = c.CompanyId
and time(DTTM) > '15:00'
and time(DTTM) < '19:00'
and date_format(DTTM, '%a') not in ('Sat' , 'Sun')
and year(o.dayStatus) = (2014)
and case
when 0 in (1) then c.companyId in (c.companyid)
else c.companyId in (1)
end
and case
when 0 in (0) then o.companyId in (o.companyId)
else o.companyId in (0)
end
and case
when 0 in (12) then month(o.dayStatus) in (month(o.dayStatus))
else month(o.dayStatus) in (12)
end
group by c.companyId , o.companyId) as a
group by a.CompanyId) union (select
a.Month,
'Weekday' as Type,
'Dinner' as 'Sale',
sum(case
when a.siteId = '102' then a.AvgBill
else '--'
end) as '102',
sum(case
when a.siteId = '103' then a.AvgBill
else '--'
end) as '103',
sum(case
when a.siteId = '104' then a.AvgBill
else '--'
end) as '104',
sum(case
when a.siteId = '105' then a.AvgBill
else '--'
end) as '105',
sum(case
when a.siteId = '106' then a.AvgBill
else '--'
end) as '106'
from
(select
date_format(o.dayStatus, '%M') as Month,
c.companyId as CompanyId,
o.companyId as siteId,
o.bill,
round((sum(o.bill) / count(orderId)), 2) as AvgBill,
date_format(DTTM, '%a') as Day
from
orders o, mdm_sites s, mdm_company c
where
s.siteId = o.companyId
and o.isBilled = 1
and billMode = 0
and s.companyid = c.CompanyId
and time(DTTM) >= '19:00'
and date_format(DTTM, '%a') not in ('Fri' , 'Sat', 'Sun')
and year(o.dayStatus) = (2014)
and case
when 0 in (1) then c.companyId in (c.companyid)
else c.companyId in (1)
end
and case
when 0 in (0) then o.companyId in (o.companyId)
else o.companyId in (0)
end
and case
when 0 in (12) then month(o.dayStatus) in (month(o.dayStatus))
else month(o.dayStatus) in (12)
end
group by c.companyId , o.companyId) as a
group by a.CompanyId) union (select
a.Month,
'Weekend' as Type,
'Lunch' as 'Sale',
sum(case
when a.siteId = '102' then a.AvgBill
else '--'
end) as '102',
sum(case
when a.siteId = '103' then a.AvgBill
else '--'
end) as '103',
sum(case
when a.siteId = '104' then a.AvgBill
else '--'
end) as '104',
sum(case
when a.siteId = '105' then a.AvgBill
else '--'
end) as '105',
sum(case
when a.siteId = '106' then a.AvgBill
else '--'
end) as '106'
from
(select
date_format(o.daystatus, '%M') as Month,
c.companyId as CompanyId,
o.companyId as siteId,
o.bill,
round((sum(o.bill) / count(orderId)), 2) as AvgBill,
date_format(DTTM, '%a') as Day
from
orders o, mdm_sites s, mdm_company c
where
s.siteId = o.companyId
and o.isBilled = 1
and billMode = 0
and s.companyid = c.CompanyId
and time(DTTM) <= '15:00'
and date_format(DTTM, '%a') in ('Sat' , 'Sun')
and year(o.dayStatus) = (2014)
and case
when 0 in (1) then c.companyId in (c.companyid)
else c.companyId in (1)
end
and case
when 0 in (0) then o.companyId in (o.companyId)
else o.companyId in (0)
end
and case
when 0 in (12) then month(o.dayStatus) in (month(o.dayStatus))
else month(o.dayStatus) in (12)
end
group by c.companyId , o.companyId) as a
group by a.CompanyId) union (select
a.Month,
'Weekend' as Type,
'Evening' as 'Sale',
sum(case
when a.siteId = '102' then a.AvgBill
else '--'
end) as '102',
sum(case
when a.siteId = '103' then a.AvgBill
else '--'
end) as '103',
sum(case
when a.siteId = '104' then a.AvgBill
else '--'
end) as '104',
sum(case
when a.siteId = '105' then a.AvgBill
else '--'
end) as '105',
sum(case
when a.siteId = '106' then a.AvgBill
else '--'
end) as '106'
from
(select
date_format(o.dayStatus, '%M') as Month,
c.companyId as CompanyId,
o.companyId as siteId,
o.bill,
round((sum(o.bill) / count(orderId)), 2) as AvgBill,
date_format(DTTM, '%a') as Day
from
orders o, mdm_sites s, mdm_company c
where
s.siteId = o.companyId
and o.isBilled = 1
and billMode = 0
and s.companyid = c.CompanyId
and time(DTTM) > '15:00'
and time(DTTM) < '19:00'
and date_format(DTTM, '%a') in ('Sat' , 'Sun')
and year(o.dayStatus) = (2014)
and case
when 0 in (1) then c.companyId in (c.companyid)
else c.companyId in (1)
end
and case
when 0 in (0) then o.companyId in (o.companyId)
else o.companyId in (0)
end
and case
when 0 in (12) then month(o.dayStatus) in (month(o.dayStatus))
else month(o.dayStatus) in (12)
end
group by c.companyId , o.companyId) as a
group by a.CompanyId) union (select
a.Month,
'Weekend' as Type,
'Dinner' as 'Sale',
sum(case
when a.siteId = '102' then a.AvgBill
else '--'
end) as '102',
sum(case
when a.siteId = '103' then a.AvgBill
else '--'
end) as '103',
sum(case
when a.siteId = '104' then a.AvgBill
else '--'
end) as '104',
sum(case
when a.siteId = '105' then a.AvgBill
else '--'
end) as '105',
sum(case
when a.siteId = '106' then a.AvgBill
else '--'
end) as '106'
from
(select
date_format(o.dayStatus, '%M') as Month,
c.companyId as CompanyId,
o.companyId as siteId,
o.bill,
round((sum(o.bill) / count(orderId)), 2) as AvgBill,
date_format(DTTM, '%a') as Day
from
orders o, mdm_sites s, mdm_company c
where
s.siteId = o.companyId
and o.isBilled = 1
and billMode = 0
and s.companyid = c.CompanyId
and time(DTTM) >= '19:00'
and date_format(DTTM, '%a') in ('Fri' , 'Sat', 'Sun')
and year(o.dayStatus) = (2014)
and case
when 0 in (1) then c.companyId in (c.companyid)
else c.companyId in (1)
end
and case
when 0 in (0) then o.companyId in (o.companyId)
else o.companyId in (0)
end
and case
when 0 in (12) then month(o.dayStatus) in (month(o.dayStatus))
else month(o.dayStatus) in (12)
end
group by c.companyId , o.companyId) as a
group by a.CompanyId);
the output of above query
month Type Sale 102 103 104 105 106
------------------------------------------------------------------
December Weekday Lunch 566.63 530.19 644.9 556.9 467.65
December Weekday Evening 433.89 404.69 457.18 547.22 396.6
December Weekday Dinner 427.68 354.54 371.42 386.21 366.03
December Weekend Lunch 410.57 381.36 383.86 365.94 394.14
December Weekend Evening 418.45 305.31 429.12 464.81 301.9
December Weekend Dinner 415.91 374.95 375.28 376.93 360.45
如何在单个查询中执行此操作，谢谢
答案 0 :(得分：0)
枢轴将是理想的解决方案，并保存在执行计划中。您的Pivot组将是Month，Type，Sale。你的计算组将是102,103,104,105,106。
枢轴也将在一个查询中完成。
Pivots的一般指南： https://technet.microsoft.com/en-us/library/ms177410(v=sql.105).aspx
一个非常类似于您要完成的示例： http://blogs.msdn.com/b/spike/archive/2009/03/03/pivot-tables-in-sql-server-a-simple-sample.aspx