Glorp the Object-Relational mapper

Hello all,

During the first part of the year, and sponsored by the Pharo
Consortium, I started a new port of Glorp, the Object-Relational
mapper, based on the latest version available in VW 8.0.1.

This latest port was done from scratch in Pharo and brings features
and bugfixes that were accumulated in the VW port during more than 5
years (previous Pharo port) and weren't available until now; and it
uses the Garage database drivers (but not limited to them).

During the last couple of months, and also by request of the
Consortium, I wrote a chapter for one of the Pharo books describing
Glorp as much as possible, with tutorials and key concepts. The
chapter ended up being the longest in text and pages of all written;
the domain is so broad and deep that I'm considering taking it to a
whole book, who knows...

The book is available at
<https://ci.inria.fr/pharo-contribution/job/PharoBookWorkInProgress/lastSuccessfulBuild/artifact/book-result/Glorp/Glorp.pdf>,
and I will welcome suggestions and corrections as pull requests to
<https://github.com/SquareBracketAssociates/PharoInProgress>

The Glorp repository is the same as the previous one
(http://www.smalltalkhub.com/#!/~DBXTalk/Glorp), and the current
Metacello configs will load the previous version for Pharo 4 and the
new version for Pharo 5. For the foreseeable future I'll continue
maintaining Glorp, but the code is MIT and I'm open to contributions
(I'll set up a Github repo in the next days).

Also I've been running production software based on Glorp for a few
years now, so my experience with it cover most of its features and
usage patterns, so if you have particular questions not covered by the
book chapter or any other material feel free to ask me, this mailing
list or to the Glorp mailing list at <glorp-group@googlegroups.com>.

Best regards!

Esteban A. Maringolo
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