--至于你60应该算在哪里?你自己写.
if object_id('pubs..tb') is not null
drop table tb
gocreate table tb(chanel_code int,fivemin_time datetime,fivemin_max decimal(18,2),fivemin_ave decimal(18,2))
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:05:00',3.68, 2.24)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:10:00',3.67, 2.25)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:15:00',3.59, 2.37)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:20:00',3.64, 2.46)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:25:00',3.42, 2.13)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:30:00',3.27, 2.34)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:35:00',3.29, 2.28)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:40:00',3.16, 2.27)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:50:00',3.34, 2.25)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:55:00',3.26, 2.73)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:00:00',3.49, 2.27)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:05:00',3.57, 2.57)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:10:00',3.24, 2.56)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:15:00',3.68, 2.25)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:20:00',3.58, 2.32)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:25:00',3.42, 2.17)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:30:00',3.24, 2.28)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:35:00',3.16, 2.28)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:40:00',3.35, 2.25)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:45:00',3.26, 2.74)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:50:00',3.45,2.35)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:55:00',3.27, 2.73)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 02:00:00',3.26, 2.74)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(2,'2007-1-10 00:00:00',3.45,2.33)
goselect convert(varchar(10),fivemin_time,120) as 日期 , substring(convert(varchar(13),fivemin_time,120),12,2) as 小时,
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 5 then fivemin_max else 0 end) as ':05',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 10 then fivemin_max else 0 end) as ':10',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 15 then fivemin_max else 0 end) as ':15',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 20 then fivemin_max else 0 end) as ':20',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 25 then fivemin_max else 0 end) as ':25',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 30 then fivemin_max else 0 end) as ':30',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 35 then fivemin_max else 0 end) as ':35',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 40 then fivemin_max else 0 end) as ':40',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 45 then fivemin_max else 0 end) as ':45',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 50 then fivemin_max else 0 end) as ':50',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 55 then fivemin_max else 0 end) as ':55'
from tb
group by convert(varchar(10),fivemin_time,120) , substring(convert(varchar(13),fivemin_time,120),12,2)drop table tb/*
日期 小时 :05 :10 :15 :20 :25 :30 :35 :40 :45 :50 :55
---------- ---- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- --------------------
2007-01-10 00 3.68 3.67 3.59 3.64 3.42 3.27 3.29 3.16 .00 3.34 3.26
2007-01-10 01 3.57 3.24 3.68 3.58 3.42 3.24 3.16 3.35 3.26 3.45 3.27
2007-01-10 02 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00(所影响的行数为 3 行)
*/
if object_id('pubs..tb') is not null
drop table tb
gocreate table tb(chanel_code int,fivemin_time datetime,fivemin_max decimal(18,2),fivemin_ave decimal(18,2))
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:05:00',3.68, 2.24)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:10:00',3.67, 2.25)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:15:00',3.59, 2.37)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:20:00',3.64, 2.46)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:25:00',3.42, 2.13)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:30:00',3.27, 2.34)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:35:00',3.29, 2.28)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:40:00',3.16, 2.27)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:50:00',3.34, 2.25)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 00:55:00',3.26, 2.73)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:00:00',3.49, 2.27)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:05:00',3.57, 2.57)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:10:00',3.24, 2.56)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:15:00',3.68, 2.25)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:20:00',3.58, 2.32)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:25:00',3.42, 2.17)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:30:00',3.24, 2.28)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:35:00',3.16, 2.28)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:40:00',3.35, 2.25)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:45:00',3.26, 2.74)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:50:00',3.45,2.35)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 01:55:00',3.27, 2.73)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(1,'2007-1-10 02:00:00',3.26, 2.74)
insert into tb(chanel_code,fivemin_time,fivemin_max,fivemin_ave) values(2,'2007-1-10 00:00:00',3.45,2.33)
goselect convert(varchar(10),fivemin_time,120) as 日期 , substring(convert(varchar(13),fivemin_time,120),12,2) as 小时,
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 5 then fivemin_max else 0 end) as ':05',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 10 then fivemin_max else 0 end) as ':10',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 15 then fivemin_max else 0 end) as ':15',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 20 then fivemin_max else 0 end) as ':20',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 25 then fivemin_max else 0 end) as ':25',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 30 then fivemin_max else 0 end) as ':30',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 35 then fivemin_max else 0 end) as ':35',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 40 then fivemin_max else 0 end) as ':40',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 45 then fivemin_max else 0 end) as ':45',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 50 then fivemin_max else 0 end) as ':50',
max(case when datediff(minute , cast(convert(varchar(13),fivemin_time,120)+':00:00' as datetime),fivemin_time) = 55 then fivemin_max else 0 end) as ':55'
from tb
group by convert(varchar(10),fivemin_time,120) , substring(convert(varchar(13),fivemin_time,120),12,2)drop table tb/*
日期 小时 :05 :10 :15 :20 :25 :30 :35 :40 :45 :50 :55
---------- ---- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- --------------------
2007-01-10 00 3.68 3.67 3.59 3.64 3.42 3.27 3.29 3.16 .00 3.34 3.26
2007-01-10 01 3.57 3.24 3.68 3.58 3.42 3.24 3.16 3.35 3.26 3.45 3.27
2007-01-10 02 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00(所影响的行数为 3 行)
*/
而是语法的需要:因为用到了分组,那么只有分组依据列和出现在聚合函数里面的列才能出现在
select 后面的字段列表了
如果不用max,这条语句就不能执行了
max( case when datepart(mi,fivemin_time)=0 then fivemin_max else 0 end) as ':00',
max( case when datepart(mi,fivemin_time)=5 then fivemin_max else 0 end) as ':05',
max( case when datepart(mi,fivemin_time)=10 then fivemin_max else 0 end) as ':10',
max( case when datepart(mi,fivemin_time)=15 then fivemin_max else 0 end) as ':15',
max( case when datepart(mi,fivemin_time)=20 then fivemin_max else 0 end) as ':20',
max( case when datepart(mi,fivemin_time)=25 then fivemin_max else 0 end) as ':25',
max( case when datepart(mi,fivemin_time)=30 then fivemin_max else 0 end) as ':30',
max( case when datepart(mi,fivemin_time)=35 then fivemin_max else 0 end) as ':35',
max( case when datepart(mi,fivemin_time)=40 then fivemin_max else 0 end) as ':40',
max( case when datepart(mi,fivemin_time)=45 then fivemin_max else 0 end) as ':45',
max( case when datepart(mi,fivemin_time)=50 then fivemin_max else 0 end) as ':50',
max( case when datepart(mi,fivemin_time)=55 then fivemin_max else 0 end) as ':55'
from fivemindata
group by convert(varchar(10),fivemin_time,120) , substring(convert(varchar(13),fivemin_time,120),12,2)
给了很大的思路,不过你写的和我的要求有点出入,但是我还是要给分的
EXEC sp_tmp 'vwSDorderCSBDDtl', 'sColorName',
'sSizeName', 'iQty',
'E79DD28A-410E-43B7-8153-7C42D5E9A803',
'WHERE sProductNo = ''''DCH060008'''' '
*/
ALTER PROCEDURE dbo.sp_TransDisplayColorSizeQty
(
@sTableName sysname, --表名
@sColorNameField varchar(1000), --颜色
@sSizeNameField varchar(1000), --尺码
@sValueNameField varchar(1000), --值
@SizeGroupGUID uniqueidentifier, --尺码组GUID
@sWhere varchar(1000) --条件
)
AS
DECLARE @sExeSQL varchar(8000)SELECT @sExeSQL = '
DECLARE @sSQL varchar(8000)
SET @sSQL = ''SELECT '+@sColorNameField+',''
SELECT @sSQL = @sSQL + ''SUM(CASE '+@sSizeNameField+'
WHEN ''''''+'+@sSizeNameField+'+'''''' THEN '+@sValueNameField+' ELSE 0 END) AS ''''''+'+@sSizeNameField+'+'''''',''
FROM (
SELECT DISTINCT TOP 100 PERCENT b.iID,'+@sSizeNameField+'
FROM '+@sTableName+' AS a
LEFT JOIN vwSize b ON a.SizeGUID = b.GUID
WHERE b.SizeGroupGUID = '''+CAST(@SizeGroupGUID AS VARCHAR(36))+'''
ORDER BY b.iID,'+@sSizeNameField+'
) a
SELECT @sSQL = LEFT (@sSQL, len(@sSQL) - 1) + ''
FROM '+@sTableName+'
'+@sWhere+'
GROUP BY '+@sColorNameField+' ''
EXEC(@sSQL)'
--SELECT @sSQL AS sSQL
EXEC(@sExeSQL)
--SELECT @sExeSQL AS sExeSQL
加MAX是为了语法的需要,在这里用MIN也行.另:因你的内容不多,:05 :10 :15 :20 :25 :30 :35 :40 :45 :50 :55 :60,所以写成了静态的.如果要动态的,请参阅下面的SQL.普通行列转换假设有张学生成绩表(t)如下Name Subject Result
张三 语文 73
张三 数学 83
张三 物理 93
李四 语文 74
李四 数学 84
李四 物理 94想变成
姓名 语文 数学 物理
张三 73 83 93
李四 74 84 94create table #t
(
Name varchar(10) ,
Subject varchar(10) ,
Result int
)insert into #t(Name , Subject , Result) values('张三','语文','73')
insert into #t(Name , Subject , Result) values('张三','数学','83')
insert into #t(Name , Subject , Result) values('张三','物理','93')
insert into #t(Name , Subject , Result) values('李四','语文','74')
insert into #t(Name , Subject , Result) values('李四','数学','83')
insert into #t(Name , Subject , Result) values('李四','物理','93')declare @sql varchar(8000)
set @sql = 'select Name as ' + '姓名'
select @sql = @sql + ' , sum(case Subject when ''' + Subject + ''' then Result end) [' + Subject + ']'
from (select distinct Subject from #t) as a
set @sql = @sql + ' from #t group by name'
exec(@sql) drop table #t--结果
姓名 数学 物理 语文
---------- ----------- ----------- -----------
李四 83 93 74
张三 83 93 73