Change a string into a different format

Question

How do I convert this
CN=zeeeComputerName,OU=cars,OU=sales,OU=employees,OU=Desktop,DC=carplace,DC=com
to this
carplace.com/desktop/employees/sales/cars/zeeeComputerName

Answer 1

See the complete illustration
--variable to hold your string
declare @str varchar(100)
set @str= 'CN=zeeeComputerName,OU=cars,OU=sales,OU=employees,OU=Desktop,DC=carplace,DC=com'
--Actual solution
;With CTE
AS
select LEFT(Val,CHARINDEX('=',Val)-1) AS Grp, SUBSTRING(Val,CHARINDEX('=',Val)+1,LEN(Val)) AS Val,
ROW_NUMBER() OVER (PARTITION BY LEFT(Val,CHARINDEX('=',Val)-1) ORDER BY CASE WHEN LEFT(Val,CHARINDEX('=',Val)-1) = 'OU'THEN ID ELSE -ID END DESC) AS Seq
from dbo.ParseValues(@str,',')
SELECT STUFF((SELECT '.' + Val FROM CTE WHERE Grp = 'DC' ORDER BY Seq FOR XML PATH('')),1,1,'')
+ '/' + STUFF((SELECT '/' + Val FROM CTE WHERE Grp = 'OU' ORDER BY Seq FOR XML PATH('')),1,1,'')
+ '/' + STUFF((SELECT '.' + Val FROM CTE WHERE Grp = 'CN' ORDER BY Seq FOR XML PATH('')),1,1,'')
FROM (SELECT 1 AS n) t
ParseValues UDF can be found here
http://visakhm.blogspot.in/2010/02/parsing-delimited-string.html
if string is coming from a table make query as below
--Actual solution
;With CTE
AS
select t.ColumnName,
LEFT(Val,CHARINDEX('=',Val)-1) AS Grp, SUBSTRING(Val,CHARINDEX('=',Val)+1,LEN(Val)) AS Val,
ROW_NUMBER() OVER (PARTITION BY LEFT(Val,CHARINDEX('=',Val)-1) ORDER BY CASE WHEN LEFT(Val,CHARINDEX('=',Val)-1) = 'OU'THEN ID ELSE -ID END DESC) AS Seq
from YourTableName t
CROSS APPLY dbo.ParseValues(t.ColumnName,',')
SELECT STUFF((SELECT '.' + Val FROM CTE WHERE Grp = 'DC'
AND ColumnName = t.ColumnName ORDER BY Seq FOR XML PATH('')),1,1,'')
+ '/' + STUFF((SELECT '/' + Val FROM CTE WHERE Grp = 'OU' AND ColumnName = t.ColumnName ORDER BY Seq FOR XML PATH('')),1,1,'')
+ '/' + STUFF((SELECT '.' + Val FROM CTE WHERE Grp = 'CN' AND ColumnName = t.ColumnName ORDER BY Seq FOR XML PATH('')),1,1,'')
FROM (SELECT DISTINCT ColumnName FROM CTE) t
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