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Throw an error/exception from a function Expand / Collapse
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Posted Sunday, December 23, 2007 9:23 PM
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Hi all,

Is it possible for me to throw an exception/error from a function in sql server 2005? if yes, then please let me know the syntax for it.

Thanks,
Roopa.
Post #436078
Posted Sunday, December 23, 2007 10:30 PM


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Roopa

You cannot use the standard RAISERROR statement in a function nor can u use the TRY...CATCH construct to throw a error.

How ever you can catch any error in the application that calls your function. In case you want to return a exeception for some validation purpose then you can set a pre-defined value to a variable and return that.

Just curious.. do you really require a function or can u use a procedure for your needs.



"Keep Trying"
Post #436080
Posted Sunday, December 23, 2007 10:50 PM
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Hi,

Functions are best suited for my requirement. I use the value returned by a scalar user defined function as a part of
insert into t1 select *, function_f1() from t2.

i cannot use a stored procedure here. however, there is a business validation that I want to do inside the function for which I will have to throw an exception / error.

Please let me know if there is any method to do this or any work around for this...

Thanks,
Roopa.
Post #436086
Posted Sunday, December 23, 2007 11:30 PM


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Just do a SELECT 1/0.... trust me, it'll throw an error ;)

--Jeff Moden
"RBAR is pronounced "ree-bar" and is a "Modenism" for "Row-By-Agonizing-Row".

First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column."

(play on words) "Just because you CAN do something in T-SQL, doesn't mean you SHOULDN'T." --22 Aug 2013

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