CASE in TRansSQL - SQL Server Forums

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CASE in TRansSQL

Author

Topic

jesus4u
Posting Yak Master

204 Posts

Posted - 2003-02-12 : 11:38:34

Before I update I want to test whether certain conditions are true but I get the following error.
Why?
Thanks

[error]
Server: Msg 170, Level 15, State 1, Line 5
Line 5: Incorrect syntax near '>'.
Server: Msg 156, Level 15, State 1, Line 20
Incorrect syntax near the keyword 'as'.
[/error]


UPDATE W 
	SET Referrer=

		CASE Referrer 
			WHEN CHARINDEX('http://', Y.PR) > 0 THEN REPLACE(Y.PR, 'http://', '')
			WHEN CHARINDEX('http://www.', Y.PR) > 0 THEN REPLACE(Y.PR, 'http://www.', '')
			ELSE Y.PR
		END


	FROM WebLog W 
	INNER JOIN 
	 (SELECT
	   IP,
	  (Referrer) as PR 
	  FROM WebLog l
	  WHERE [Date] =
	     (SELECT Max([Date])
	      FROM WebLog
	      WHERE IP=l.IP)) as Y 
	  ON W.IP=Y.IP

Onamuji
Aged Yak Warrior

504 Posts

Posted - 2003-02-12 : 12:21:31

CASE Referrer <- this only lets you test for certain values

CASE <- this allows you to test with the WHEN clause
WHEN

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