Steal schema2sql module from yams
It has no user inside yams, and we need it here if we want to be able to
reference the (cubicweb-only) entities table from other tables.
Related to #4846892
.. -*- coding: utf-8 -*-
Dernières modifications
-----------------------
* la table des `derniers changements`_ fournit un exemple d'utilisation de RQL
pour récupérer les derniers changements ayant eu lieu sur ce site.
.. _`derniers changements`: view?rql=Any+M%2CX+WHERE+X+modification_date+M+ORDERBY+M+DESC+LIMIT+30