--- a/cubicweb/schema.py Fri Nov 18 17:44:52 2016 +0100
+++ b/cubicweb/schema.py Mon Nov 21 14:55:27 2016 +0100
@@ -325,6 +325,7 @@
keyarg = None
rqlst.recover()
return rql, found, keyarg
+ rqlst.where = nodes.Exists(rqlst.where)
return rqlst.as_string(), None, None
def _check(self, _cw, **kwargs):