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Concat parameter in a message


Concat parameter in a message

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AVDR
AVDR
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Hi,

I have a procedure (a) where i call another procedure (b) passing @message as a parameter to procedure B.
Ex:
Create procedure a
as
Begin
declare @prevyear
exec b @message = 'avvasdva' + cast(@prevyear as varchar)
End

When i execute above procedure, i get error at + sign i.e. @message parameter. how can i concatenate string with another parameter when passing parameters
Eirikur Eiriksson
Eirikur Eiriksson
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vasuarjula (6/2/2014)
Hi,

I have a procedure (a) where i call another procedure (b) passing @message as a parameter to procedure B.
Ex:
Create procedure a
as
Begin
declare @prevyear
exec b @message = 'avvasdva' + cast(@prevyear as varchar)
End

When i execute above procedure, i get error at + sign i.e. @message parameter. how can i concatenate string with another parameter when passing parameters


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Koen Verbeeck
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Points: 16461 Visits: 13207
Parameters cannot be expressions.

http://stackoverflow.com/questions/12009832/how-to-concatenate-string-when-setting-a-parameter-in-transact-sql

Specify Parameters



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That's step one, for sure. Step 2 is that the variable is assigned no value and will always return a NULL for the result of the concatentation. Step 3 is that the variable if the variable is provided from sources external to the proc, a check needs to be done for SQL Injection.

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