Re: V4R4 and V4R1 interoperability

[nina jones <ddi@xxxxxxxxxxxxxxxxx>]

> One obvious (potential) problem is that V3R7 has language enhancements
> over V3R2, so compiling with TGTRLS(V3R2M0) means you can't use any of
> the stuff introduced in V3R7 like floating point, %edic() and other
> useful BIFs, pointer math, *VarSize, etc.
> 
> But if you are using the same code base with your V3R2 clients, then
> it is not an issue since you already restrict your coding style.

yeah, we know that.  we may not like it, but it's a fact of life when
you have a package.  i recall a thread several months ago about this
topic, and several folks that supported packages said they envied places
where they could code however they wanted without concern for
compatability.

 
> FWIW, just a few days ago I restored objects created on a V4R2 machine
> compiled with TGTRLS(V3R2) to a V3R7 machine and didn't have any
> problems.  It *may* be that observability is required -- I seem to
> recall that it ran object conversion on the programs, although that
> ran at sub-second speed per program so I think it was only resetting a
> flag in the object description.

i think that's correct!  we compile everything at v3r2, and haven't had
any problems going from v4r2, to everything from v3r7 to v4r3. 
 

> The same SAVF restored to a V3R2 system also worked fine, but the
> restore time was horrendous due to the object conversion.

been there..  for us it takes 8 hours, so we restore and save it using
our old d20, over the weekend so it's not such a problem at the client's
site.


it seems a week or so ago, someone was concerned about going to v4r4,and
said there were some problems saving to v3r2.  

i'd like to upgrade, but not at the expense of supporting our clients!

nj
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