RE: RPG - conversion vs re-write

["Hans Boldt" <hboldt@xxxxxxxxxxxx>]

John Carr <74711.77@compuserve.com> wrote
>Well Hans, that's consistent with the parms being passed to a DB Trigger
>program.  It passes a byte for every field in the format that represents
>the condition of the field (Null or Not Null) .  Never did look at the
>actual data in the record buffer to see what's actually there though.
>(we don't use null's yet.)
>
>If a field is flagged as "NULL" what value would my RPG program actually
>see in it?
>If alpha?  If binary? If numeric?  if Date?

Hi John!  If a field is flagged as "null", you can still use the data in
the field just like any other type of field.  The "null" attribute is
important only on I/O.

Cheers!  Hans

Hans Boldt, ILE RPG Development, IBM Toronto Lab, hboldt@vnet.ibm.com
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