I did say I tried changing the UDF parameter varchar as well and it still didn't work.
However using the syntax you gave did work, so that's good to know, but I'd rather not have to do that (since I'd know - but our users aren't likely to think of that even if I tell them).


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Peter Dow
Sent: Friday, April 13, 2012 4:47 PM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: SQL UDF - hardcoded parameters

Hi Kurt,

When you pass a constant, SQL defaults it to type VARCHAR. Your function is expecting a parameter of type CHAR(20). To pass a constant as a CHAR field, try

SELECT isTollFree(char('800')) FROM ...

*Peter Dow* /
Dow Software Services, Inc.
909 793-9050
petercdow@xxxxxxxxx <mailto:petercdow@xxxxxxxxx> /

On 4/13/2012 1:44 PM, Kurt Anderson wrote:
I created a UDF to check to see if an alphanumeric phone number is toll-free. When I hardcode a parameter such as '800' it doesn't work (returns false, '0'). When I pass in a variable that contains '800', it does work (returns true, '1').

Here is my Function:
Create or Replace Function ccdlib/isTollFree ( ANI Char(20) )
returns Char(1)
language rpgle
no sql
parameter style general

The service program procedure's prototype:
// Is the Number Toll-Free?
D $isTollFree PR n
D NPA 20a Const

Am I doing something wrong?

I tried changing the function parameter to VarChar, but that didn't resolve the issue.

Kurt Anderson
Sr. Programmer/Analyst
CustomCall Data Systems
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