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Must declare the scalar variable "@message".  T-SQL

Posted on 2014-10-26
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Medium Priority
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608 Views
Last Modified: 2014-10-26
Question: How can I fix this error?

Thanks.
ALTER PROCEDURE [dbo].[spAddCustomer]
     @FirstName varchar(30)
    , @LastName varchar(30)
    , @Address varchar(50)
    , @City varchar(30)
    , @State varchar(2)
    , @ZipCode varchar(10)
    , @Phone varchar(12)
    , @Email varchar(100)

	, @SoftwareID int = 0
	, @Quantity int = 0
	, @message VARCHAR(100) OUTPUT
As
BEGIN

SET NOCOUNT ON;

Declare @CustID int
Declare @OrderID int
Declare @AddedOrderCount int
Declare @AddedCustomerCount int
Declare @msg varchar(100)

Insert Into tblCustomers(FirstName, LastName, [Address], City, [State], ZipCode, Phone, Email)
                Values(@FirstName, @LastName, @Address, @City, @State, @ZipCode, @Phone, @Email)

Set @CustID = SCOPE_IDENTITY()
Set @AddedCustomerCount = @@ROWCOUNT

if @SoftwareID > 0
Begin
   Insert Into tblOrders (CustomerID, OrderDate)
				       Values(@CustID,GETDATE())
  Set @OrderID = SCOPE_IDENTITY()

  Insert Into tblOrderDetails(OrderID, SoftwareID, Quantity)
			         Values(@OrderID, @SoftwareID, @Quantity) 
End

Set @AddedOrderCount = @@ROWCOUNT
Set @message = @AddedOrderCount

if @@Error>0 
   Begin
     Set @msg ='Customers added: ' + CAST(@AddedCustomerCount AS NVARCHAR(10)) +
              '; Orders added: ' + CAST(@AddedOrderCount AS NVARCHAR(10)) +
	          '; SQL Server error: ' + CAST(@@Error AS NVARCHAR(10))
   End
Else
   Begin
      Set @msg ='Customers added: ' + CAST(@AddedCustomerCount AS NVARCHAR(10)) +
              '; Orders added: ' + CAST(@AddedOrderCount AS NVARCHAR(10));
   End

Return @msg

END 

/*
Declare @msg varchar(100)
Exec @msg = spAddCustomer a,a,a,a,a,a,a,a,1,2, @message OUTPUT
Select @msg from tblCustomer
*/

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Comment
Question by:Mike Eghtebas
  • 3
  • 3
6 Comments
 
LVL 15

Expert Comment

by:Haris Djulic
ID: 40405719
Just remove this line:

Set @message = @AddedOrderCount
0
 
LVL 34

Author Comment

by:Mike Eghtebas
ID: 40405722
Hi Haris,

I removed it. After running Alter routine, I executed the Exec @msg =...

I still get:

Msg 137, Level 15, State 2, Line 2
Must declare the scalar variable "@message".
0
 
LVL 15

Accepted Solution

by:
Haris Djulic earned 2000 total points
ID: 40405726
You are using this to execute procedure is it?

Declare @msg varchar(100)
Exec spAddCustomer a,a,a,a,a,a,a,a,1,2, @message OUTPUT
Select @msg from tblCustomer

then use it like this :

Declare @msg varchar(100)
Exec @msg = spAddCustomer a,a,a,a,a,a,a,a,1,2, @msg OUTPUT
Select @msg
0
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LVL 34

Author Comment

by:Mike Eghtebas
ID: 40405730
I will try it now. Meanwhile I found that the error occurs at:

Return @msg

because @msg is varchar but return expects it to be integer.

brb

Back testing the following:

Return 5 --@msg

END 

/*
Declare @msg varchar(100)
Declare @message varchar(100)
Exec @msg = spAddCustomer a,a,a,a,a,a,a,a,1,2, @message OUTPUT
Select @msg 
*/

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This works fine. I think I shouldn't get @msg involved with Return.
0
 
LVL 15

Expert Comment

by:Haris Djulic
ID: 40405738
Return parameter is declared in the beginning of the procedure so it should be @message VARCHAR(100) OUTPUT

Did you test my code?
0
 
LVL 34

Author Comment

by:Mike Eghtebas
ID: 40405742
I used part of the correction you made. Applying also some of my findings, the following works
ALTER PROCEDURE [dbo].[spAddCustomer]
     @FirstName varchar(30)
    , @LastName varchar(30)
    , @Address varchar(50)
    , @City varchar(30)
    , @State varchar(2)
    , @ZipCode varchar(10)
    , @Phone varchar(12)
    , @Email varchar(100)

	, @SoftwareID int = 0
	, @Quantity int = 0
	, @message VARCHAR(100) OUTPUT
As
BEGIN

SET NOCOUNT ON;

Declare @CustID int
Declare @OrderID int
Declare @AddedOrderCount int = 0
Declare @AddedCustomerCount int = 0
Declare @msg varchar(100)

Insert Into tblCustomers(FirstName, LastName, [Address], City, [State], ZipCode, Phone, Email)
                Values(@FirstName, @LastName, @Address, @City, @State, @ZipCode, @Phone, @Email)

Set @CustID = SCOPE_IDENTITY()
Set @AddedCustomerCount = @@ROWCOUNT

if @SoftwareID > 0
Begin
   Insert Into tblOrders (CustomerID, OrderDate)
				       Values(@CustID,GETDATE())
  Set @OrderID = SCOPE_IDENTITY()

  Insert Into tblOrderDetails(OrderID, SoftwareID, Quantity)
			         Values(@OrderID, @SoftwareID, @Quantity) 
End

Set @AddedOrderCount = @@ROWCOUNT

if @@Error>0 
   Begin
     Set @msg ='Customers added: ' + CAST(@AddedCustomerCount AS NVARCHAR(10)) +
              '; Orders added: ' + CAST(@AddedOrderCount AS NVARCHAR(10)) +
	          '; SQL Server error: ' + CAST(@@Error AS NVARCHAR(10))
   End
Else
   Begin
      Set @msg ='Customers added: ' + CAST(@AddedCustomerCount AS NVARCHAR(10)) +
              '; Orders added: ' + CAST(@AddedOrderCount AS NVARCHAR(10));
   End

Set @message = @msg

Return @@Error

END 

/*
Declare @msg varchar(100)
Declare @message varchar(100)
Exec @msg = spAddCustomer a,a,a,a,a,a,a,a,1,2, @message OUTPUT
Select @msg 
Select @message 
*/

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