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Attempt to call a UDB DB2 stored procedure with multiple parameters from an MS Access pass-through query

Posted on 2004-04-12
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Last Modified: 2008-03-17
Hi,

I am attempting to call a UDB DB2 stored procedure with multiple parameters from an MS Access pass-through query.  When I call stored procedures with no parameters or with one parameter, records are returned, but not when I call an SP with more than one parameter.

Here is the call I am attempting to execute:
       {call EMDPROD.RTV_DISR_TTLSLS('JC1', 'Album',2004,'2003-11-01','2003-11-30')}
        In the SP, the parameters are defined as follows:
        - 1st parameter defined as char(03)
        - 2nd parameter defined as char(05)
        - 3rd parameter defined as smallint
        - 4th parameter defined as date
        - 5th parameter defined as date
When I run this pass-through query, I receive this error:
[IBM][CLI Driver][DB2/6000] SQL0171N  The data type, length or value of argument "2" of routine "RTV_DISR_TTLSLS" is incorrect.  SQLSTATE=42815
(#-171)

I am able to call this procedure using Crystal Reports and get records back.

I have been wrestling with this one for a while now.  This is a high priority for me, as we want to replace all of our cumbersome hardcoded SQL with SPs.  

Any assistance would be greatly appreciated.

Thanks,
1wadd
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Question by:1wadd
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Expert Comment

by:sixeyed
Comment Utility
Hi there,

I've had a similar problem with VBA in Excel, solved by building and executing the command like this:

'*****
'work vars:
Dim cmdSp As New ADODB.Command
Dim strTemp As String
Dim prms As Variant
Dim i As Integer

'set up cmd:
With cmdSp
    .ActiveConnection = cnn400 'ADODB.Connection - instantiated & opened
    .CommandType = adCmdText
    .CommandText = "{call lib.pgm (?,?,?,?,?,?)}"
    .Parameters.Refresh
    .Prepared = True
End With

prms = Array("1", 2, 3.0, "4", "5", "6")
cmdSp.Execute , prms

'display results:
strTemp = cmdDlr.Parameters(0).Value
For i = 1 To 5
    strTemp = Trim(strTemp) + ", " + cmdSp.Parameters(i).Value
Next i

MsgBox strTemp
'*****

- vagaries are that you have to pass the "prms" array (defined as Variant) as input parameters to the command, but you retrieve output values through its Parameters collection.

Hope it's useful.
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Author Comment

by:1wadd
Comment Utility
Hi sixeyed,

Thanks for responding.  I have successfully called the SP using VBA and ADO.  

We were looking at setting up numerous SPs and allowing the business users to call them using MS Access pass-through queries.  Based on your response, and the responses I received in the MS Access technology channel, this is not a viable path if multiple parameters are involved.

Oh well, we'll have to look at other avenues.

Thanks...
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Accepted Solution

by:
andrew348 earned 500 total points
Comment Utility
Hi,

this is a common issue when DB2 cannot convert parameters.
As far as I can remember DB2 counts parameters started from 1, than it is 'Album' value.
SP expects CHAR parameters, but withing your CALL they are probably treated as VARCHAR, and it seems that the problem is here.
If it is possible recreate the SP with VARCHAR instead of CHAR parameters.

Regards.
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Author Comment

by:1wadd
Comment Utility
Hi Andrea,

We'll try that and let you know.  Thanks for responding.

1wadd
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