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  • Subject: RE: RPG - conversion vs re-write
  • From: "Hans Boldt" <hboldt@xxxxxxxxxxxx>
  • Date: Fri, 12 Sep 97 16:47:31 EDT

Bob Cozzi <BobCozzi@ibm.net> wrote
>>>Actually, the example wouldn't work for another reason as well.  The
>>>"null flag" is associated with specific fields and is not passed when
>>>passing the field as a parameter.
>
>That's it.  I quit!
>
>Did you just say that the %NULLID(myDate) built-in is not allowed within an
>RPG IV subprocedure? If you did, I'm gonna have to take some
>Dramamine!!!!!!!!!!
>
>So to check for a "null" date we have to use %NULLID() but only in
>main-line calcs. Okay, then I state my point again. We have NO support for
>null date values in RPGIV at this point in time. %NULLID is restricted to
>mainline calcs.

Whoa!  Hold on!  I never said you can't use %NULLIND within a procedure.
Just that you can't use it on a parameter passed to the procedure.

You certainly can code %NULLIND(FIELD) within a procedure.  (Provided, of
course, that FIELD is defined as null-capable in some record.)

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

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