有一表a
id date name
1 2007-01-01 ccc
1 2007-01-01 ddd
1 2007-01-01 vv
1 2007-02-01 ttttt
2 2007-01-01 gg
3 2007-01-02 ccc
3 2007-01-01 ccc
4 2007-01-04 yy
輸入1月要得到
日期 ccc ddd vv gg yy
1號 2 1 1 1 0
2號 1 0 0 0 0
3號 0 0 0 0 0
4號 0 0 0 0 1
. 0 0 0 0 0
. 0 0 0 0 0
. 0 0 0 0 0
31號 0 0 0 0 0
合計 3 1 1 1 1
create table a(id int, date datetime, name varchar(10))
insert a select 1, '2007-01-01', 'ccc'
union all select 1, '2007-01-01', 'ddd'
union all select 1, '2007-01-01', 'vv'
union all select 1, '2007-02-01', 'ttttt'
union all select 2, '2007-01-01', 'gg'
union all select 3, '2007-01-02', 'ccc'
union all select 3, '2007-01-01', 'ccc'
union all select 4, '2007-01-04', 'yy'
go-- 查詢的儲存過程
create proc p_qry
@yearmonth int
asset nocount on
declare @begindate datetime, @enddate datetime, @row int
select
@begindate = convert(datetime, right(@yearmonth * 100 + 1, 8)),
@enddate = dateadd(month, 1, @begindate),
@row = day(@enddate - 1)
declare @dt table(id int identity(1, 1), date datetime)
set rowcount @row
insert @dt(date) select null from syscolumns a, syscolumns b
set rowcount 0
update @dt set date = dateadd(day, id - 1, @begindate)
select
日期 = case grouping(d.id)
when 0 then convert(varchar(10), d.id) + '號'
else '合計' end,
ccc = isnull(sum(case a.name when 'ccc' then 1 else 0 end), 0),
ddd = isnull(sum(case a.name when 'ddd' then 1 else 0 end), 0),
vv = isnull(sum(case a.name when 'vv' then 1 else 0 end), 0),
gg = isnull(sum(case a.name when 'gg' then 1 else 0 end), 0),
yy = isnull(sum(case a.name when 'yy' then 1 else 0 end), 0)
from(
select * from a
where date > @begindate
and date < @enddate
)a right join @dt d
on a.date = d.date
group by d.id with rollup
order by grouping(d.id), d.id
go-- 呼叫
exec p_qry 200601
go-- 刪除測試
drop table a
drop proc p_qry
-- 呼叫
exec p_qry 200701
-- 結果:
日期cccdddvvggyy
1號00000
2號10000
3號00000
4號00001
5號00000
6號00000
7號00000
8號00000
9號00000
10號00000
11號00000
12號00000
13號00000
14號00000
15號00000
16號00000
17號00000
18號00000
19號00000
20號00000
21號00000
22號00000
23號00000
24號00000
25號00000
26號00000
27號00000
28號00000
29號00000
30號00000
31號00000
合計10001
如果要根據滿足條件的name的值來動態確定列名, 則儲存過程改為:
-- 查詢的儲存過程
create proc p_qry
@yearmonth int
asset nocount on
declare @begindate datetime, @enddate datetime, @row int
select
@begindate = convert(datetime, right(@yearmonth * 100 + 1, 8)),
@enddate = dateadd(month, 1, @begindate),
@row = day(@enddate - 1)
declare @dt table(id int identity(1, 1), date datetime)
set rowcount @row
insert @dt(date) select null from syscolumns a, syscolumns b
set rowcount 0
update @dt set date = dateadd(day, id - 1, @begindate)
declare @s nvarchar(4000)
set @s = ''
select @s = @s + ',' + quotename(name)
+ '= isnull(sum(case a.name when ' + quotename(name, '''') + ' then 1 else 0 end), 0)'
from(
select distinct name from a
where date > @begindate
and date < @enddate
)a if @@rowcount = 0
return
set @s = '
declare @dt table(id int identity(1, 1), date datetime)
set rowcount @row
insert @dt(date) select null from syscolumns a, syscolumns b
set rowcount 0
update @dt set date = dateadd(day, id - 1, @begindate)
select
日期 = case grouping(d.id)
when 0 then convert(varchar(10), d.id) + ''號''
else ''合計'' end' + @s + '
from(
select * from a
where date > @begindate
and date < @enddate
)a right join @dt d
on a.date = d.date
group by d.id with rollup
order by grouping(d.id), d.id
'exec sp_executesql @s, n'@row int, @begindate datetime, @enddate datetime', @row, @begindate, @enddate
gowhere date > =@begindate
and date <= @enddate
這句改了就還了,差個"="
好的給分
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