[rql2sql] added test that shows crash during sql generation
Original query in cubicweb-drh:
Any A,E,CV,group_concat(TN) GROUPBY A,E,CV WHERE A is Application, A for_person P, P has_studied_in E?, T? tags A, T name TN, A curriculum CV?
Corresponding bug in tracker: #628798
"""
:organization: Logilab
:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
rql('SET X value "main-template" WHERE X is CWProperty, '
'X pkey "ui.main-template", X value "main"')
checkpoint()