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You're right, in that case you could have bypassed the function.  Your sql
would have worked fine.  However earlier I was doing some stuff which was a
little more complex and posted it here for resolution.  The onhand does
make a good example though.

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin



                    "Peter Dow"
                    <pcdow@yahoo.com>         To:     <midrange-l@midrange.com>
                    Sent by:                  cc:
                    midrange-l-admin@mi       Fax to:
                    drange.com                Subject:     Re: Triggers versus 
UDF's


                    02/13/2002 12:44 PM
                    Please respond to
                    midrange-l






Hi Rob,

You're probably right, and I guess my only real problem with your example
is
that the calculation of ONHAND is so simple that couldn't you could simply

create view rob/iimx as
  select iprod, (iopb + irct + iadj + iiss) as ONHAND
  from iim

with the same ability to simply change the view if the calculation changed?
Given that you can even use the CASE function to incorporate some logic in
the calculation, it would have to be a pretty complex calculation before
I'd
want to replace the CREATE VIEW with creating a module, creating a service
program, creating a function, and then creating a view.

OTOH, thanks for showing the steps. I haven't run into a situation where I
could use a function yet, and when I do I'll be search the archives for
your
example <grin>!

Peter Dow
Dow Software Services, Inc.
909 425-0194 voice
909 425-0196 fax





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