diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/server/test/datacomputed/migratedapp/schema.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/server/test/datacomputed/migratedapp/schema.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,66 @@
+# copyright 2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of CubicWeb.
+#
+# CubicWeb is free software: you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
+
+from yams.buildobjs import (EntityType, RelationDefinition, ComputedRelation,
+                            Int, Float)
+
+
+class Employee(EntityType):
+    pass
+
+
+class employees(RelationDefinition):
+    subject = 'Company'
+    object = 'Employee'
+
+
+class associates(RelationDefinition):
+    subject = 'Company'
+    object = 'Employee'
+
+
+class works_for(ComputedRelation):
+    rule = 'O employees S, NOT EXISTS (O associates S)'
+
+
+class Company(EntityType):
+    score = Float(formula='Any AVG(NN) WHERE X employees E, N concerns E, N note NN')
+    score100 = Float(formula='Any AVG(NN) WHERE X employees E, N concerns E, N note100 NN')
+
+
+class Note(EntityType):
+    note = Int()
+    note100 = Int(formula='Any N*100 WHERE X note N')
+
+
+class concerns(RelationDefinition):
+    subject = 'Note'
+    object = 'Employee'
+
+
+class whatever(ComputedRelation):
+    rule = 'S employees E, O associates E'
+
+
+class renamed(ComputedRelation):
+    rule = 'S employees E, O concerns E'
+
+
+class perm_changes(ComputedRelation):
+    __permissions__ = {'read': ('managers',)}
+    rule = 'S employees E, O concerns E'