Sql server T-SQL聚合查询不工作
我试图根据发货日期找到所有迟交的包裹和包裹项目的总和。这是我到目前为止所做的,在最后一次聚合查询中计数不正确。我预计包裹ID 123456和今天到期装运的包裹项目计数为1。今天的日期是2015年6月27日 下面是我一直停留在的示例代码 WHName和WHId表示仓库名称和Id 非常感谢你的帮助Sql server T-SQL聚合查询不工作,sql-server,tsql,aggregate-functions,Sql Server,Tsql,Aggregate Functions,我试图根据发货日期找到所有迟交的包裹和包裹项目的总和。这是我到目前为止所做的,在最后一次聚合查询中计数不正确。我预计包裹ID 123456和今天到期装运的包裹项目计数为1。今天的日期是2015年6月27日 下面是我一直停留在的示例代码 WHName和WHId表示仓库名称和Id 非常感谢你的帮助 use test go create table #packages ( PackageId int , WHName varchar(100), WHId int, ShipByDa
use test
go
create table #packages
(
PackageId int ,
WHName varchar(100),
WHId int,
ShipByDate date
)
insert into #packages
values
(
123,
'JAX',
1,
'06/25/2015'
),
(
1234,
'OH',
2,
'06/26/2015'
),
(
12345,
'JAX',
1,
'06/24/2015'
),
(
123456,
'DS',
3,
'06/27/2015'
),
(
1234567,
'DS',
3,
'06/27/2015'
),
(
12345678,
'DS',
3,
'06/27/2015'
)
create table #packageItems
(
PackageItemId int,
PackageId int,
Qty int
)
insert into #PackageItems
values
(
1,
123,
2
),
(
2,
12345678,
0
),
(
3,
1234,
3
),
(
4,
12345,
2
),
(
5,
123,
3
),
(
6,
123456,
3
),
(
7,
12345,
10
)
create table #PackageSum
(
PackageId int,
ItemsCount int
)
insert into #PackageSum(PackageId,ItemsCount)
select
pki.PackageId,
count(pki.PackageItemId) as Items
from
#packageItems pki
inner join #packages pk
on pki.PackageId = pk.PackageId
where
pki.Qty > 0
group by
pki.PackageId
select * from #Packages
select * from #PackageItems
select * from #PackageSum
declare @Now datetime2(7) = getdate();
select
pk.WHName,
SUM(case when datediff(day,pk.ShipByDate,@Now) = 0 then 1 else 0 end) as PackagesDueToday,
SUM(case when datediff(day,pk.ShipByDate,@Now) = 0 then pks.ItemsCount else 0 end) as PackageItemsDueToday,
SUM(case when datediff(day,pk.ShipByDate,@Now) between 1 and 2 then 1 else 0 end) as Packages1To2DaysOld,
SUM(case when datediff(day,pk.ShipByDate,@Now) between 1 and 2 then pks.ItemsCount else 0 end) as PackageItems1To2DaysOld,
SUM(case when datediff(day,pk.ShipByDate,@Now) between 2 and 3 then 1 else 0 end) as Packages2To3DaysOld,
SUM(case when datediff(day,pk.ShipByDate,@Now) between 2 and 3 then pks.ItemsCount else 0 end) as PackageItems2To3DaysOld
from
#packages pk
inner join #PackageSum pks
on pk.PackageId = pks.PackageId
group by
pk.WHName
drop table #packages
drop table #PackageItems
drop table #PackageSum
--=============================== Another way of doing he same above=====================================
use test
go
create table #packages
(
PackageId int ,
WHName varchar(100),
WHId int,
ShipByDate date
)
insert into #packages
values
(
123,
'JAX',
1,
'06/25/2015'
),
(
1234,
'OH',
2,
'06/26/2015'
),
(
12345,
'JAX',
1,
'06/24/2015'
),
(
123456,
'DS',
3,
'06/27/2015'
),
(
1234567,
'DS',
3,
'06/28/2015'
),
(
12345678,
'DS',
3,
'06/18/2015'
)
create table #packageItems
(
PackageItemId int,
PackageId int,
Qty int
)
insert into #PackageItems
values
(
1,
123,
2
),
(
2,
1234567,
3
),
(
2,
12345678,
3
),
(
3,
1234,
3
),
(
4,
12345,
2
),
(
5,
123,
3
),
(
6,
123456,
3
),
(
7,
12345,
10
)
create table #PackageSum
(
PackageId int,
ItemsCount int
)
insert into #PackageSum(PackageId,ItemsCount)
select
pki.PackageId,
count(pki.PackageItemId) as Items
from
#packageItems pki
inner join #packages pk
on pki.PackageId = pk.PackageId
where
pki.Qty > 0
group by
pki.PackageId
select * from #Packages
select * from #PackageItems
select * from #PackageSum
declare @Today date = getdate();
declare @Yesterday date = dateadd(day,-1,@Today);
declare @2DaysOld date = dateadd(day,-2,@Today);
declare @3daysOld date = dateadd(day,-3,@Today);
declare @5daysOld date = dateadd(day,-5,@Today);
--select @Now
select
pk.WHName,
SUM(case when pk.ShipByDate = @Today then 1 else 0 end) as PackagesDueToday,
SUM(case when pk.ShipByDate = @Today then pks.ItemsCount else 0 end) as PackageItemsDueToday,
SUM(case when pk.ShipByDate >= @2DaysOld and pk.ShipByDate <= @Yesterday then 1 else 0 end) as Packages1To2DaysOld,
SUM(case when pk.ShipByDate >= @2DaysOld and pk.ShipByDate <= @Yesterday then pks.ItemsCount else 0 end) as PackageItems1To2DaysOld,
SUM(case when pk.ShipByDate >= @3daysOld and pk.ShipByDate <= @2DaysOld then 1 else 0 end) as Packages2To3DaysOld,
SUM(case when pk.ShipByDate >= @3daysOld and pk.ShipByDate <= @2DaysOld then pks.ItemsCount else 0 end) as PackageItems2To3DaysOld,
SUM(case when pk.ShipByDate <= @5daysOld then 1 else 0 end) as Packages5DaysAndOLder,
SUM(case when pk.ShipByDate <= @5daysOld then pks.ItemsCount else 0 end) as PackageItems5DaysAndOLder
from
#packages pk
inner join #PackageSum pks
on pk.PackageId = pks.PackageId
group by
pk.WHName
drop table #packages
drop table #PackageItems
drop table #PackageSum
+1用于详细的脚本和示例数据。但是我没有完全理解你的期望。这里是27号,或者是几秒钟前。如果你也是这样的话,我希望当天的包裹数量是两个,这两个都是3号仓库的。顺便说一下,在一个更规范化的数据库中,您可以将仓库名称及其id存储在一个单独的表中,并且在包中只包含warehouseid-edit-nevermind,第二个包没有项目,因此它不会从连接中返回。@Golez,我完全同意noramalized warehouse选项卡。我只是将其扔到那里,只是为了让事情变得简单。非常感谢您的帮助。我发现了问题所在。最后,我在聚合查询中使用了错误的别名。问题解决了