I have a simple stored procedure that declares a variable @ErrorMessage at the top as
declare @ErrorMessage AS VARCHAR(100)
SET @ErrorMessage = ''
At the end of the procedure I return this value as
RETURN @ErrorMessage
The value is set to the @ErrorMessage in CATCH block. Then I test this procesure in a query window as following
declare @retval as varchar(100)
EXECUTE @retval = myproced param1, param2
print @retval
But if there is no problem within the procedure, the value of @retval showing in the query window is 0 (zero). Why not empty string?
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