PHD

[Deskin, Bob]

Please see my other response on this subject. In addition, if you have 1000
screens and you obsolete 1 item, I can see not wanting to recompile.
Especially if the item didn't have SELECT values or anything else I care
about. If you got away with not recompiling in PhD, you'll also get away
with not recompiling in PDL. I do question going through lots of changes and
continually having to select which programs you compile and don't compile.
Hopefully everything gets recompiled from time to time to ensure
consistency.

Since PDL is compiled (like QUICK), you can't recompile while it's in use.
However, you can recompile to a temp location and slip the new one in during
your daily backups when no one's on the system. Or during the "unexplained"
5 minute down-time.

Bob Deskin              
Senior Product Advisor  bob.deskin@cognos.com
Cognos Inc.             (613) 738-1338 ext 4205 FAX: (613) 228-3149
3755 Riverside Drive P.O. Box 9707 Stn. T, Ottawa ON K1G 4K9 CANADA


> ----------
> From: 	Chris Sharman[SMTP:Chris.Sharman@ccagroup.co.uk]
> Sent: 	November 19, 1998 3:42 AM
> To: 	Bob.Deskin@cognos.com
> Cc: 	Chris.Sharman@ccagroup.co.uk; powerh-l@lists.swau.edu
> Subject: 	RE: PHD
> 
> >PhD and PDL are the same regarding when you must recompile screens,
> reports,
> >and runs. If you add or change a file to a PhD dictionary (via the
> >appropriate screen), or to a PDL dictionary (by adding the syntax and
> >recompiling the dictionary), you still have to recompile any screens,
> >reports, and runs that use that file.
> >
> >In your example of adding an item to an existing file, you would have to
> >recompile any screen, report, or run that used that file. And again, this
> is
> >no different for PhD or PDL.
> 
> This isn't true: changes that don't affect the length of records don't
> require a recompile. If a field becomes obsolete, and I rename it to
> obsolete-garbage, I don't have to recompile anything that wasn't using it.
> When I reuse it, again I don't have to recompile anything which doesn't
> use it.
> This saves a lot of work, and hopefully will still be the case with PDL,
> even with a full re-compile from source.
> 
> Someone mentioned that you can't PDL a dictionary while it's in use: I
> think
> that's why we never use it.
> 
> If PHD is getting dumped, how about putting the sources in the public
> domain,
> with appropriate disclaimers. That way those of us really fond of it can
> put
> the work in to keep it going as freeware.
> ______________________________________________________________________
> Chris Sharman			Chris.Sharman@CCAgroup.co.uk
> CCA Stationery Ltd, Eastway, Fulwood, Preston, Lancashire, PR2 9WS.
> 
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
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