From: Anders Bengtsson <ndrsbngtssn@...>
Date: 2003-03-17T23:37:56+09:00
Subject: Re: ANN: Madeleine 0.1

 --- Brian Candler <B.Candler@pobox.com> skrev:

> This is beautiful.

Thanks! :)
 
> Small suggestion: take class 'Marshal' as a parameter. Then you can
> choose a
> different Marshal-type class like 'YAML'. Although right now YAML is
> slow,
> this would give a language-independent database which you could even
> edit
> with 'vi' (great for data recovery). It might end up containing a lot
> of
> spaces, but it should gzip very well.

Good idea. I like the YAML concept a lot.

> Note to WHY: please can we have a YAML::dump(object [,IO]) method,
> for
> symmetry with Marshal?

I could just add wrapping classes that wrap either Marshal or YAML, so
a change in YAML won't be necessary. Unless it's a good idea for YAML
anyway?
 
> For testing I just replaced 'Marshal' with 'YAML', added the
> following:

[readable data example snipped]

> Having such readable files could go a long way towards addressing the
> resistance which may arise towards treating your entire database of
> (say)
> a million customer records as a single opaque binary blob...

There has been some talk about XML serialization on the Prevayler
lists, which gives the advantage of using XSL to upgrade the data
format. But I hope YAML's closer integration with Ruby itself makes
upgrading even simpler.

> 
> Cheers,
> 
> Brian.

/Anders


=====
__________________________________________________
Anders Bengtsson              ndrsbngtssn@yahoo.se
Stockholm, Sweden

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