Trying to call UDF inside a Case stmt

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Trying to call UDF inside a Case stmt

Author

Topic

MyronCope
Starting Member

46 Posts

Posted - 2011-01-27 : 11:33:37

using sql server 2005:
I created a UDF that returns a table.

When I call this UDF using no case statement it works well but
however when I call a UDF inside of a case statement, I am getting the following errors
<ERROR>
Msg 156, Level 15, State 1, Line 7
Incorrect syntax near the keyword 'SELECT'.
Msg 156, Level 15, State 1, Line 9
Incorrect syntax near the keyword 'FROM'.
</ERROR>

The code I'm trying to use follows:
[code]
SELECT myValue,
CASE myCode
WHEN 'C' THEN
SELECT * FROM dbo.fcn_myUDF1(myValue)
END
FROM myTable WHERE ID = '123456'
GO
[/code

nigelrivett
Master Smack Fu Yak Hacker

3385 Posts

Posted - 2011-01-27 : 11:57:41

A case statement returns a value not a resultset.
try
SELECT myValue,
CASE myCode
WHEN 'C' THEN
(SELECT top 1 col1 FROM dbo.fcn_myUDF1(myValue))
END
FROM myTable WHERE ID = '123456'
GO

==========================================
Cursors are useful if you don't know sql.
SSIS can be used in a similar way.
Beer is not cold and it isn't fizzy.

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2011-01-27 : 12:45:21

can you elaborate on what udf returns?

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SQL Server MVP
http://visakhm.blogspot.com/

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