Adrien Di Mascio <Adrien.DiMascio@logilab.fr> [Mon, 14 Feb 2011 16:46:49 +0100] rev 6989
[dataimport] make it possible to insert 'empty' (i.e. no-attrs) entities
In such cases (e.g. ternary relations), generated RQL must be
'INSERT MyEntityType' instead of 'INSERT MyEntityType:'