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You can use *NULL to test for NULL procedure pointers and parameters, ie. not passed or in your case not returned. Not the same as being able to set a standalone variable to NULL any using it to properly update a null-capable database field. Charles Wilt -- iSeries Systems Administrator / Developer Mitsubishi Electric Automotive America ph: 513-573-4343 fax: 513-398-1121 > -----Original Message----- > From: java400-l-bounces@xxxxxxxxxxxx > [mailto:java400-l-bounces@xxxxxxxxxxxx]On Behalf Of > MWalter@xxxxxxxxxxxxxxx > Sent: Friday, June 17, 2005 1:57 PM > To: Java Programming on and around the iSeries / AS400 > Subject: RE: Date() > > > You can test for *NULL in RPG. I have Java classes that > return a null on > exception. I test for *NULL. > > Thanks, > > Mark > > Mark D. Walter > Senior Programmer/Analyst > CCX, Inc. > mwalter@xxxxxxxxxx > http://www.ccxinc.com > > > > > "Wilt, Charles" > > <CWilt@xxxxxxxxxx > > om> > To > Sent by: "Java Programming on > and around the > java400-l-bounces iSeries / AS400" > > @midrange.com > <java400-l@xxxxxxxxxxxx> > > cc > > > 06/17/2005 01:48 > Subject > PM RE: Date() > > > > > > Please respond to > > Java Programming > > on and around the > > iSeries / AS400 > > <java400-l@midran > > ge.com> > > > > > > > > > > Joe, > > I dislike the way RPG supports NULL. In my case, its not the > %nullind() > bif but the fact that you can't have a null RPG variable. > > Basically, I don't see much difference between > > if myField <> *ALL9; > //do something > endif; > > and > > if not %nullind(myField); > //do something > endif; > > Though I must admit I think that an SQL style test would be prettier.. > > if myField is not NULL; > //do something > endif; > > > > What I dislike is having to code: > > if noDataFlag; > %nullind(myField) = *ON; > else; > %nullind(myField) = *OFF; > myField = myVariable; > endif; > > instead of simply being able to do: > > myField = myVariable; > > > > Just my $.02 > > Charles Wilt > -- > iSeries Systems Administrator / Developer > Mitsubishi Electric Automotive America > ph: 513-573-4343 > fax: 513-398-1121 > > > > -----Original Message----- > > From: java400-l-bounces@xxxxxxxxxxxx > > [mailto:java400-l-bounces@xxxxxxxxxxxx]On Behalf Of Joe Pluta > > Sent: Friday, June 17, 2005 1:35 PM > > To: 'Java Programming on and around the iSeries / AS400' > > Subject: RE: Date() > > > > > > > From: RPower@xxxxxxxxxx > > > > > > Sorry... guess old RPG habits are hard to ignore..... > > > I'll conform. I can change. Hehe. Null it is. > > > > I hate null indicators. I hate the extra space in the file. > > I hate the > > syntax of the %nullind BIF. I hate everything about them. Doesn't > > matter what I think, however <g>. They're the right way to identify > > that a field has not been entered. > > > > But it still takes an effort of will to actually use them. > > Does anybody > > else have this unnatural predisposition against null > indicators, or is > > it just me? > > > > Joe > > > > -- > > This is the Java Programming on and around the iSeries / > > AS400 (JAVA400-L) mailing list > > To post a message email: JAVA400-L@xxxxxxxxxxxx > > To subscribe, unsubscribe, or change list options, > > visit: http://lists.midrange.com/mailman/listinfo/java400-l > > or email: JAVA400-L-request@xxxxxxxxxxxx > > Before posting, please take a moment to review the archives > > at http://archive.midrange.com/java400-l. > > > > > > -- > This is the Java Programming on and around the iSeries / > AS400 (JAVA400-L) > mailing list > To post a message email: JAVA400-L@xxxxxxxxxxxx > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/mailman/listinfo/java400-l > or email: JAVA400-L-request@xxxxxxxxxxxx > Before posting, please take a moment to review the archives > at http://archive.midrange.com/java400-l. > > > > -- > This is the Java Programming on and around the iSeries / > AS400 (JAVA400-L) mailing list > To post a message email: JAVA400-L@xxxxxxxxxxxx > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/mailman/listinfo/java400-l > or email: JAVA400-L-request@xxxxxxxxxxxx > Before posting, please take a moment to review the archives > at http://archive.midrange.com/java400-l. > >
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