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Throw an error/exception from a function


Throw an error/exception from a function

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Roopa Prabhu
Roopa Prabhu
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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.
ChiragNS
ChiragNS
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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"
Roopa Prabhu
Roopa Prabhu
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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.
Jeff Moden
Jeff Moden
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Just do a SELECT 1/0.... trust me, it'll throw an error Wink

--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.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

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