数据表行列转换
2007-10-31 00:15
281 查看
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
输入1月要得到
日期 CCC DDD VV GG YY
1号 2 1 1 1 0
2号 1 0 0 0 0
3号 0 0 0 0 0
4号 0 0 0 0 1
. 0 0 0 0 0
. 0 0 0 0 0
. 0 0 0 0 0
31号 0 0 0 0 0
合计 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
-- 查询的存储过程
CREATE PROC p_qry
@yearmonth int
AS
SET 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) + '号'
ELSE '合计' 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
-- 调用
EXEC p_qry 200601
GO
-- 删除测试
DROP TABLE A
DROP PROC P_qry
-- 调用
EXEC p_qry 200701
-- 结果:
日期CCCDDDVVGGYY
1号00000
2号10000
3号00000
4号00001
5号00000
6号00000
7号00000
8号00000
9号00000
10号00000
11号00000
12号00000
13号00000
14号00000
15号00000
16号00000
17号00000
18号00000
19号00000
20号00000
21号00000
22号00000
23号00000
24号00000
25号00000
26号00000
27号00000
28号00000
29号00000
30号00000
31号00000
合计10001
如果要根据满足条件的name的值来动态确定列名, 则存储过程改为:
-- 查询的存储过程
CREATE PROC p_qry
@yearmonth int
AS
SET 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) + ''号''
ELSE ''合计'' 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
GO
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
输入1月要得到
日期 CCC DDD VV GG YY
1号 2 1 1 1 0
2号 1 0 0 0 0
3号 0 0 0 0 0
4号 0 0 0 0 1
. 0 0 0 0 0
. 0 0 0 0 0
. 0 0 0 0 0
31号 0 0 0 0 0
合计 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
-- 查询的存储过程
CREATE PROC p_qry
@yearmonth int
AS
SET 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) + '号'
ELSE '合计' 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
-- 调用
EXEC p_qry 200601
GO
-- 删除测试
DROP TABLE A
DROP PROC P_qry
-- 调用
EXEC p_qry 200701
-- 结果:
日期CCCDDDVVGGYY
1号00000
2号10000
3号00000
4号00001
5号00000
6号00000
7号00000
8号00000
9号00000
10号00000
11号00000
12号00000
13号00000
14号00000
15号00000
16号00000
17号00000
18号00000
19号00000
20号00000
21号00000
22号00000
23号00000
24号00000
25号00000
26号00000
27号00000
28号00000
29号00000
30号00000
31号00000
合计10001
如果要根据满足条件的name的值来动态确定列名, 则存储过程改为:
-- 查询的存储过程
CREATE PROC p_qry
@yearmonth int
AS
SET 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) + ''号''
ELSE ''合计'' 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
GO
相关文章推荐
- 【ORACLE】一个简单实用的对数据进行行列转换并统计的SQL语句
- mysql表数据行列转换方法
- 在Sqlserver下巧用行列转换日期的数据统计
- MySQL] 行列转换变化各种方法实现总结(行变列报表统计、列变行数据记录统计等)
- STATA 批量重命名,数据查重,行列转换,类型转换,变量截取和生成,数据库合并等命令
- SQL 中的单列数据到多列数据的转换,以及转换后的分组统计(行列转换)
- 数据表行列转换
- tsql 数据行列转换,交叉报表示例
- SQL 中的单列数据到多列数据的转换,以及转换后的分组统计(行列转换)
- python中创建dataframe数据,并将其转换成矩阵,对矩阵进行添加行列操作
- 今天在csdn上遇到一个问题,是关于sql数据行列转换的,我的写法如下:
- 用python做数据分析(行列转换)
- 用SQL行列转换实现数据透视的一些思考
- R实现类似EXCEL中数据的透视功能:数据的行列转换
- 【ORACLE】一个简单实用的对数据进行行列转换并统计的SQL语句
- 【ORACLE】一个简单实用的对数据进行行列转换并统计的SQL语句
- Sql实现行列转换方便了我们存储数据和呈现数据
- 数据透视表sql:用SQL行列转换实现数据透视的一些思考
- mySql 数据库表行列转换
- 行列转换并且进行行列数据统计 rollup