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Michael -

One word:
Overloading!

The default data type for character literals passed by SQL (as in your second example) is VARCHAR.

Your UDTF is obviously expecting CHAR values, but since you are passing VARCHAR values { 'A' and 'K'} it is looking for a UDTF named MYTESTUDTF which accepts VARCHAR values and does not find one.

Regards,
Steve


"Michael Naughton" wrote in message news:mailman.6681.1340919843.2513.midrange-l@xxxxxxxxxxxx...

I just went through this article and created my first UDTF, and I agree -- this is great!

I do have one question, though. When I try to test it in iNav passing literals, I have to define them. For example, this works:

SELECT * FROM TABLE(MYLIB/MYTESTUDTF(char('A',1),char('K',1))) AS XYZ

but this does not:

SELECT * FROM TABLE(MYLIB/MYTESTUDTF('A', 'K')) AS XYZ

instead, I get a "MYTESTUDTF in MYLIB type *N not found" error.

I'm curious, because when I call a stored procedure, I don't have to do that -- for example, this works:

CALL MYLIB/MYTESTPROC('TESTVALUE',40,10,1,'C','*ALL')

Obviously, the UDTF treats passed parameters differently from the way the stored procedure does, but does anyone know why? Is there a way to avoid having to define literals passed to the UDTF?

Thanks very much,


Mike Naughton
Senior Programmer/Analyst
Judd Wire, Inc.
124 Turnpike Road
Turners Falls, MA 01376
413-676-3144
Internal: x 444
mnaughton@xxxxxxxxxxxx
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