[sf-perl] Some well-formed XML?
David Fetter
david at fetter.org
Tue Sep 20 13:32:47 PDT 2005
On Tue, Sep 20, 2005 at 01:22:33PM -0700, Joseph Brenner wrote:
>
> Rich Morin <rdm at cfcl.com> wrote:
>
> > So, it's fairly straightforward to serialize a set of RDBMS
> > tables as XML and load them back into another database. The
> > rules for the (de-)serialization, however, will probably be
> > hard-coded into your dumping and loading code.
>
> Funny, I was just in the process of doing just this sort of thing.
>
> In particular I'm noodling around how to preserve NULLs.
One thing I've done is an is_null boolean attribute that can only be
true for things that contain an empty string.
> This is one of those things that I know has been solved a million
> times, but I doubt I'm going to want to bug Ops to install some CPAN
> modules to do it.
>
> (By the way, has anyone noticed that XML::Simple can't always read
> in the files that it writes? Fun.)
I've noticed that as a rule, Java, C and C++ libraries appear to
handle XML a lot better than Perl does. Maybe I've just been using
the wrong libraries...
Cheers,
D
--
David Fetter david at fetter.org http://fetter.org/
phone: +1 510 893 6100 mobile: +1 415 235 3778
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