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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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Group: General Forum Members
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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
Koen Verbeeck
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Group: General Forum Members
Points: 60351 Visits: 13297
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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Jeff Moden
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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.
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.
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