--------------------------------------行,列轉換
---www.dusystem.com
---塗聚文
use pubs
GO
CREATE PROCEDURE crosstab
@select varchar(8000),
@sumfunc varchar(100),
@pivot varchar(100),
@table varchar(100)
AS
DECLARE @sql varchar(8000), @delim varchar(1)
SET NOCOUNT ON
SET ANSI_WARNINGS OFF
EXEC ('SELECT ' + @pivot + ' AS pivot INTO ##pivot FROM ' + @table + ' WHERE 1=2')
EXEC ('INSERT INTO ##pivot SELECT DISTINCT ' + @pivot + ' FROM ' + @table + ' WHERE '
+ @pivot + ' Is Not Null')
SELECT @sql='', @sumfunc=stuff(@sumfunc, len(@sumfunc), 1, ' END)' )
SELECT @delim=CASE Sign( CharIndex('char', data_type)+CharIndex('date', data_type) )
WHEN 0 THEN '' ELSE '''' END
FROM tempdb.information_schema.columns
WHERE table_name='##pivot' AND column_name='pivot'
SELECT @sql=@sql + '''' + convert(varchar(100), pivot) + ''' = ' +
stuff(@sumfunc,charindex( '(', @sumfunc )+1, 0, ' CASE ' + @pivot + ' WHEN '
+ @delim + convert(varchar(100), pivot) + @delim + ' THEN ' ) + ', ' FROM ##pivot
DROP TABLE ##pivot
SELECT @sql=left(@sql, len(@sql)-1)
SELECT @select=stuff(@select, charindex(' FROM ', @select)+1, 0, ', ' + @sql + ' ')
EXEC (@select)
SET ANSI_WARNINGS ON
---1 應用執行個體
EXECUTE crosstab 'select title from titles inner join sales on (sales.title_id=titles.title_id)
group by title', 'sum(qty)','stor_id','stores'
isnull(sum(qty),0)
---2子應用執行個體
EXECUTE crosstab 'select pub_name, count(qty) as orders, sum(qty) as total
from sales inner join titles on (sales.title_id=titles.title_id)
right join publishers on (publishers.pub_id=titles.pub_id)
group by pub_name', 'sum(qty)','type','titles'
select pub_name, count(qty) as orders, isnull(sum(qty),0) as total
group by pub_name
---3 應用執行個體
use Northwind
EXECUTE crosstab 'SELECT LastName FROM Employees INNER JOIN Orders
ON (Employees.EmployeeID=Orders.EmployeeID)
GROUP BY LastName', 'count(lastname)', 'Year(OrderDate)', 'Orders'
from: http://www.sqlteam.com/article/dynamic-cross-tabs-pivot-tables
